Category: Foxboro

OVERVIEW

The FBM204.0 to 20 mA Input/Output consists of four 20 mA dc analog input channels and four 20 mA dc analog output channels.

Each input channel accepts an analog sensor input or a self-powered 20 mA supply.

Each output channel drives an external load to produce a 0 to 20 mA output.

The inputs/outputs are electrically isolated from other inputs/outputs on channel and ground.

The FBM204 performs the signal conversion required for electrical input interfaces/output signals from field sensors to an optional redundant fieldbus.

The FBM204 performs analog I/O applications that provide configurable options for the following functions: conversion time,

Fail Safe Configuration (Hold/Return) and Analog Output Fail Safe Return Data (on a per channel basis).

The Fieldbus Module (FBM) can alternatively perform the fast control loops in which Distributed PIDA (DPIDA) applications provide operation.

The FBM204 is electrically compatible with standard HART signals.

Features

-Four 20 mA dc analog input channels

-Four 20 mA dc analog output channels

-Each input and output channel is galvanically isolated

-Ruggedized design for use in Class G3 (harsh) environment enclosures

-Performs analog I/O applications with configurable options for www.abb-drive.com conversion time and change rate limits

-High accuracy through sigma-delta data conversion per channel

-Terminal assembly (TA) for local or remote connection of field wiring to the compact FBM204

-TA for output bypass station to maintain output operation during maintenance

3-tier terminal assembly power transmitter with internal and/or external loops for each channel

-Supports DPIDA control block with high accuracy

For high accuracy, the module provides new analog input readings every 25ms depending on the channel basis, as well as configurable integration cycles to eliminate any process and/or noise and power line

Frequency. the FBM converts each analog input to a digital value at each time period, averages these values over a period of time, and provides the average value to the controller.

Standard Design

The FBM204 has a rugged extruded aluminum housing circuit. The enclosure specifically designed for mounting the FBM is available in a variety of grades according to ISA standard S71.04. environmental protection in harsh environments.

The front of the Visual Indicator Module contains red and green light emitting diodes (LEDs) to provide visual status indication of FBM function.

Easy Removal/Replacement

The module is mounted to the Compact 200 Series baseplate. two screws on the FBM mounts attach the module to the baseplate. The module can be removed/replaced without disassembly for field device termination wiring or power or communications wiring.

Fieldbus Communication

The fieldbus communication module or control processor uses a redundant 2Mbps modular fieldbus with the FBM.The FBM accepts communication from either path (A or B) of the 2Mbps fieldbus. If a path is

unsuccessful or switched at the system level, the module continues to communicate on the active path.

Modular Baseboard Mounting

Modules are mounted on DIN-rail mounted modular baseplates* for up to four to eight FBMs. modular baseplates are DIN-rail or rack-mountable and include signal connectors for redundant fieldbuses, redundant independent DC power supplies, and termination cables.

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The 130M Series Pnuematic controllers offer manual setpoint adjustment and are the standard controller in the Foxboro® 130 Series.

All Foxboro® 130 Series controllers are designed for high-density control room installations.

These devices are ideally suited for applications where precise control is critical to skilled process management.

The 130M Series is essentially the same as the 130P and 130F Series with the exception of the following features:

130P Series: Has setpoints that are pneumatically modified by remote signals.

130F Series: Remote/local switching to support manual or pneumatic modification of setpoints.

Designed for high-density control room installations, these controllers are suitable for any situation where precise control is required for efficient process management.

The basic controller is the 130M series with manual setpoint adjustment. 130P series is similar to the 130M, but the setpoint can be adjusted pneumatically via a remote signal.

The 130F series is similar to the 130M but includes a remote/local switch for manual or pneumatic setpoint adjustment.

Large Eye-Catching Display

The visibility and legibility of the large, brightly colored pointer located directly behind the clear vertical scale has become the benchmark against which other display concepts are judged.

The system provides a continuous full-scale display of all variables, an effective indication of controller deviations, and easy scale changes without tools.

Separate automatic and manual control units

Both the automatic and manual control units www.abb-drive.com  can be disassembled without disrupting the process.

This design feature avoids costly downtime for servicing the controller.

Completely Unbalanced and Bufferless Transmission

The 130 Series controllers utilize the “integral balancing” method for bufferless transfer. After transfer, the controller simply responds at the integral (reset) rate that

This eliminates any error between setpoint and measurement. In addition to providing easy, unbalanced and unbuffered transmission, this solution preserves the setpoint.

Simple and cost-effective installation

Up to 10 instruments can be accommodated in a multi-unit rack. All air connections are made when the controller is installed in the rack.

Piping costs are minimized as each rack has its own integrated air supply header and individual air shutoff valve.

Easy Maintenance

The 130 Series utilizes a unique pneumatic circuit board that greatly enhances the sophistication of the pneumatic control system. This board eliminates many of the piping and connections found in other controllers.

All components are located on one side of the board and are easily accessible by sliding back the cover on one side.

Force Balance Control Module

The proven force balance control module ensures long service life and reliability. Due to the use of metal bellows, there is virtually no movement in the flexure suspension mechanism, thus providing the user with a clearly superior controller.

Specialized Controllers for Every Application

Foxboro offers the industry’s widest range of optional accessories and specialized control features. In addition to normal control modes, these include single-station ratios, single-station computer setups, auto selectors, differential gaps, and “batch” processing.

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The compact FBM215 HART® Communications Output Interface Module provides eight output channels, each providing either a 4 to 20mA output signal or a digital HART signal superimposed on an analog output.

Features

The key features of the Compact FBM215 module are listed below:

 Eight isolated output channels, each providing one of the following outputs:

– Standard 4 to 20 mA analog output signals

– Digital HART Frequency Shift Keying (FSK)

Digital HART Frequency Shift Keying (FSK) signals are superimposed on the 4 to 20 mA analog output signals.

 FSK modem dedicated to each output channel for bi-directional digital communication with HART field devices

 Galvanic isolation of all output channels from each other and from ground and module logic

 Supports HART common commands required to interface field devices www.abb-drive.com with the Foxboro Evo™ Control Core Service System.

Database

 Compact, ruggedized enclosure for Class G3 (harsh) environments

 Termination assembly (TA) for local or remote connection of field wiring to the compact FBM215.

OVERVIEW

The Compact HART Communication Output Interface Module (FBM215) contains eight channels of isolated output channels.

The Compact FBM215 supports any combination of standard 4 to 20 mA devices and HART devices, and is part of the Compact 200 Series I/O Subsystem, as described in the Compact 200 Series I/O Subsystem Overview.

The Compact FBM215 serves as a host for HART-communicating field devices, allowing the Foxboro Evo system to request and receive two digital telegrams per second from each field device.

The Telegram Pass-Through feature can be used to support HART generic, common, and device-specific commands, but does not support burst communication modes.

These commands are implemented through the Intelligent Field Device Configurator (IFDC – see Intelligent Field Device Configurator FoxCom for details) and the HART protocol.

The compact FBM215 provides an isolated power supply for each channel.

When connected to the appropriate TA, the Compact FBM215 provides the functionality previously provided by the 100 Series FBM I/O subsystem.

TAs support the functional HART devices of the 100 Series FBM37 when the FBM37 is used with the following devices

Compact Design

The compact FBM215 has a narrower design than the standard 200 series FBM.

It has a rugged acrylonitrile-butadiene-styrene (ABS) housing that provides physical protection for the circuitry.

Enclosures specifically designed for mounting the FBM provide varying degrees of environmental protection up to the harsh environments specified in ISA Standard S71.04.

Visual Indicators

Light emitting diodes (LEDs) on the front of the module provide a visual indication of the module’s operational status and channel communication activity.

Easy Removal/Replacement

Modules are mounted on a Compact 200 Series base plate that can be mounted either on DIN rails or horizontally in a rack using a kit.

Includes signal connectors for redundant fieldbus, redundant independent DC power supply and termination cables.

Two screws on the FBM secure the module to the Compact 200 Series base plate.

Removing/replacing the module eliminates the need to remove field device termination cables, power supplies, or communication cables.

Termination Components

Field output signals are connected to the FBM subsystem via DIN rail mounted TAs.

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The E69F Field Mount Current Pneumatic Signal Converter accepts a standard DC input signal and converts it to a proportional pneumatic output signal for use with other pneumatic instruments or control valves.

and converts it to a proportional pneumatic output signal for use with other pneumatic instruments or control valves.

As indicated by the “CE” marking on the product, it complies with applicable European Union directives.

Compact and easy to install

The small size and compact design of the E69F converter allows for easy connection to electrical and pneumatic interfaces.

It can be easily mounted on a surface, on a valve yoke or on a vertical pipe with a nominal DN 50 or 2.

Minimal influence on ambient atmospheric conditions

The design of the corona motor in the E69F converter allows a large clearance between the coil and the housing.

Normal atmospheric variations may cause corrosion and dust particles, but will not impede www.abb-drive.com the operation of the mechanism as would be the case with voice coil type instruments.

Wide range of applications

Selectable input and output signals, different input ranges, and direct or reverse action make this converter easily adaptable to a wide variety of applications.

The choice of output signals makes the converter particularly suitable for valve applications.

PERFORMANCE SPECIFICATIONS Performance Specifications

Accuracy

±1.0% for Output Signal Codes 2 and 3 ranges

Output signal codes 7 and 8 ±2% of range

Linearity ±0.5% of range, typical

(Maximum deviation limited by accuracy specifications Maximum deviation limited by accuracy specifications)

Repeatability ±0.25% of range, typical

(maximum deviation limited by accuracy specifications maximum deviation limited by accuracy specifications)

Hysteresis ±0.5% of range, typical

(Maximum deviation is limited by accuracy specifications Maximum deviation is limited by accuracy specifications)

Deadband 0.1 % of range

Air Supply Pressure Effect

Zero shift due to changes in air supply pressure is less than 0.04% per kPa (0.25% per psi).

Ambient Temperature Effects

Over an operating temperature range of 0 to 60°C (32 to 140°F), a change in ambient temperature of 28°C (50°F) will result in a zero and range shift of ±1.0% or less.

Tilt Effect

A 5-degree change in inclination from the vertical results in a maximum zero shift of 0.25% of range. This error can be eliminated by calibrating the instrument at the intended mounting position.

Shock Effect

The maximum zero offset is 0.5% of the range for a 300 m/s2 (30 “g”) shock test on a feedback support frame.

The Foxboro® brand Model IDP10 is an analogue output, two-wire d/p Cell® transmitter.

It provides accurate, reliable differential pressure measurement and transmits a 4 to 20 mA analogue output signal.

High Reliability and Value

 is available in conventional or low-profile construction.

 Excellent performance and long-term stability based on microprocessor technology.

 Industry-standard 316L ss, Co-Ni-Cr, nickel alloy(1), monel alloy, or tantalum sensor materials, depending on transmitter construction.

 Available in durable aluminium or 316 SS housings; both meet NEMA 4X and IP66 ratings.

 Optional mounting bracket kits are available for duct, surface, or manifold mounting of the transmitter.

 Dual seal certified to ANSI/ISA 12.27.01-2003.

 CE marked; complies with applicable EMC, ATEX, and PED European directives.

 Designed for hazardous area installations. Versions are available to meet organisational explosion-proofing and zoning requirements.

 Standard 5-year warranty.

Affordable Smart Transmitter Features

When you need the flexibility and performance of a configurable smart transmitter, but don’t need a www.abb-drive.com digital output signal, these transmitters offer excellent benefits at a very affordable price:

 Liquid crystal display (LCD) digital indicator with on-board pushbuttons

 Pushbutton configuration and calibration

– Linear or square root output

– Adjustable damping

– Forward or reverse output

– Fail-safe outputs; scale up or scale down

– Rearrange without applying pressure

 can be easily upgraded to a fully intelligent version (FoxCom™, HART® or FOUNDATION™ fieldbus)

I/A SERIES PRESSURE TRANSMITTERS The I/A Series pressure transmitter family includes d/p Cell, Gauge, Absolute, Multi-Range, Multi-Variable, and High Performance transmitters, as well as pressure seals with remote or direct connection.

and transmitters with remote or directly connected pressure seals, all featuring field-proven silicon strain gauge sensors and universal topside construction.

Modular electronics

Choose the electronics modules you need to provide just the right level of intelligence for your application and budget.

If your needs change, the modular design allows easy migration to other protocols including FoxCom, HART, FOUNDATION fieldbus and 1 to 5 V dc versions.

Electronic -A Transmitter

This transmitter uses the -A electronics module. It is a very economical analogue output transmitter with comprehensive configuration features.

The transmitter offers the most powerful features for the most applications at the lowest cost.

cost. It can even be readjusted to a new calibration range using the standard LCD indicator without applying calibration pressure.

Sensor corrosion protection

For conventional construction, 316L ss, Co-Ni-Cr, nickel alloys (2), monel alloys, gold-plated 316L ss, and tantalum materials are available.

The high corrosion resistance of CoNi-Cr (TI 037-078) means a long service life in many difficult applications

The high corrosion resistance of CoNi-Cr (TI 037-078) means a long service life in many difficult applications without the extra cost of special materials.

For flat structures LP1 and LP2. 316L stainless steel and nickel alloys (2) are used as sensor materials.

High Performance

These transmitters utilise microprocessor-based calibration for excellent accuracy and ambient temperature compensation.

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OVERVIEW

Fieldbus Communication Modules (FCMs) are fibre optic communication extenders that allow 200 Series fieldbus modules to be remotely mounted near plant processes.

FCM2F2 (RH914YZ), FCM2F4 (RH917JA) and FCM2F10 (RH916TQ)

Three models are available with nominal maximum substrate-to-substrate fibre optic cabling distances: up to 2 km (1.24 mi), 4 km (2.48 mi) and 10 km (6.21 mi) respectively.

FCMs are mounted in pairs on standard baseboards for redundancy. Non-redundant configurations require only a single FCM.

Fibre optic cabling is unaffected by electrical noise (EMI, RFI and lightning) and is a versatile and highly reliable means of extending signal communications.

It can be used in areas containing equipment such as rotating machinery, arc welders, etc. It can also be installed in cable bridges containing high voltage power lines, or in outdoor areas exposed to lightning hazards.

or outdoor areas exposed to lightning hazards. Its electrical isolation features protect against voltage differences and ground loops.

FCM Design

The FCM has a rugged extruded aluminium enclosure that provides physical protection for the circuitry.

Enclosures specifically designed for the installation of FBMs and FCMs provide www.abb-drive.com varying degrees of environmental protection for the FCM, up to harsh environments (Class G), in accordance with ISA Standard S71.04.

The FCM can be removed/replaced from the base plate without power failure. six light-emitting diodes (LEDs) on the front of the FCM.

Six light-emitting diodes (LEDs) on the front of the FCM are used to indicate the status of network activity with the modular fieldbus and fibre-optic link, as well as the operational status of the FCM.

Figure 1 shows an example of a redundant configuration where the baseboards (containing the FCM) are connected point-to-point via fibre optic cable.

The cabling configuration shows a single fibre optic segment connecting two substrates. However, up to three fibre segments can be used to connect four baseboards (maximum).

The maximum fibre cabling distance between any two base stations is 10 km (using FCM2F10s (RH916TQ)).

The total fibre optic cabling distance (all cable segments) between base stations does not exceed 20 km (10.42 miles).

Baseboard Module Mounting

The FCM is mounted on a standard baseboard. The baseboard includes signal connectors for fieldbus, power, and I/O cable connections.

A baseboard can support up to eight FBMs, or a combination of FBMs and FCMs.

When connecting two baseboards with fibre optic cables (redundant), one pair of FCMs per baseboard is required (four FCMs total).

For non-redundant configurations, only one FCM is required per baseboard.

Multiple baseboards in the same cabinet do not necessarily require FCMs and fibre optic cables.

Any baseboards within 60 metres (196.85 feet) can be connected together with standard twisted-pair cabling.

Fibre Optic Cabling

Fibre optic cables for fieldbus connections to these modules are purchased by the customer.

The fibre optic cable required for the FCM2F2 (RH914YZ) and FCM2F4 (RH917JA) connections is multimode, graded-indexed glass fibre.

The core is 62.5 micron, the cladding is 125 micron and the NA is 0.275 (numerical aperture).

125 micron cladding with 0.275 NA (numerical aperture). At a wavelength of 1300 nm

Maximum allowable signal loss is 1 dB per kilometre at 1300 nm and 3.6 dB per kilometre at 850 nm.

Cables must be terminated with ST-type connectors. Cables with different characteristics must not be used.

The cable required for the FCM2F10 (RH916TQ) connection is a standard single-mode fibre optic cable with ST-type connectors.

Other cable requirements (such as flexibility or durability) depend on the specific application.

The compact FBM242 Discrete Output Interface Module contains 16 discrete output channels powered by an external power supply of the customer’s choice.

Features

The key features of the Compact FBM242 module are listed below:

 16 discrete outputs

 Supports discrete output signals for the following voltages

– 15 to 60 VDC

– 120 VAC/125 VDC

– 240 VAC

 Each output is galvanically isolated; group-isolated when used with external excitation.

 Compact and rugged, suitable for enclosures in Class G3 (harsh) environments

 Executes discrete I/O or ladder logic programs, configurable with www.abb-drive.com the following options:

Input Filter Time, Fail Safe Configuration, Fail Safe Fallback, Continuous or Instantaneous Outputs

 Various terminal assemblies (TAs) that include the following

– Current limiting devices

– Fuses

– Relay outputs with external power supply, fuses and distribution

– Solid-state outputs

– Redundant power distribution

Overview of the FBM242 Discrete Output Interface Module

The Compact FBM242 Discrete Output Interface Module contains 16 discrete output channels that are externally powered and rated up to 2 A at 60 VDC.

It is part of the Compact 200 Series I/O subsystem described in the Compact 200 Series I/O Subsystem Overview (Ref. 1).

The associated termination assembly (TA) provides discrete outputs for 2 A 60 VDC voltage loads, relay outputs (120 V AC/125 VDC or 240 V AC), or relay outputs with power distribution and fuses. Each output is completely isolated from other channels and ground.

The module connects the electrical output signals from the control processor to field devices. It performs digital I/O applications, supports ladder logic, and provides fail-safe configuration options for the outputs.

Compact Design

The compact FBM242 module is designed to be narrower than the standard 200 series FBM. It has a rugged acrylonitrile-butadiene-styrene (ABS) enclosure that provides physical protection for the circuitry.

The enclosure, designed for mounting the FBM, provides various levels of environmental protection up to harsh environments (Class G3) according to ISA Standard S71.04.

Visual indicators

Light-emitting diodes (LEDs) on the front of the module provide a visual indication of the module’s operating status and the discrete status of each output point.

Easy removal/replacement

The modules are mounted on DIN rail-mounted or rack-mounted Compact 200 series base plates.

Signal connectors for redundant fieldbus, redundant independent DC power supply and termination cables are included.

Two screws on the FBM secure the module to the Compact 200 series base plate.

When removing/replacing the module, there is no need to remove the field device termination cables, power supply or communication cables.

Fieldbus Communication

The fieldbus communication module or control processor is connected to the redundant 2 Mbps modular fieldbus used by the FBM.

The Compact FBM242 accepts communications from either path (A or B) of the redundant 2 Mbps fieldbus – if one of the paths fails or is not in operation, the FBM will not accept communications from the other path.

If one of the paths fails or is shut down at the system level, the module will continue to communicate over the active path.

Current Limit

Field power supplies used for contacts or solid state switches are current limited.

Terminal Assembly (TA)

Field I/O signals are connected to the FBM subsystem via DIN rail mounted TAs.

Standard 200 Series Base Plates

The Standard 200 Series Base Plate provides a mounting platform and communications backplane for DIN rail mounted 200 Series modules.

Overview

These Standard 200 Series Baseboards support distributed control of small and large systems, specifically the following Foxboro Evo™ System Modules:

 Field Control Processor 280 (FCP280) Fault Tolerant or Non-Fault Tolerant

 Field Device Controller 280 (FDC280) Fault tolerant or non-fault tolerant

 Field Control Processor 270 (FCP270) Fault tolerant or non-fault tolerant

 Field Communication Modules (FCM100Et and FCM100E) and other FCMs

 Fieldbus Expansion Module (FEM100E)

 Fieldbus Isolator/Filter Modules (FBI200/FBI100)

 Standard Fieldbus Modules (FBMs) and 100 Series FBM connections.

The FBM-enabled 200 Series standard baseplate enables total system mounting capability www.abb-drive.com by providing unit increments of 2. 4. and 8 FBM positions, as well as vertical and horizontal mounting.

Features

Key features of the 200 Series Base Plate are listed below:

 for FBM-enabled baseplates:

– 2. 4. and 8 module positions combined with vertical and horizontal mounting

– Field connectable I/O termination assemblies, redundant adapters, and modules

Identifiers for each module

– DIP switches for identification of specific module backplanes

– Additional 200 series baseboards can be added without removing the system from service (redundant bus required)

 supports FCP280/FCP270. FDC280. and FCM100Et baseboards:

– Connection for optional GPS time strobe.

All non-FDC280 module time strobe connections require a splitter/splitter. direct connections are supported on the FDC280 baseboard.

 All baseboards are supported except the FDC280 baseboard (RH101KF):

– Connection to 2 Mbps modular fieldbus for standard fieldbus modules or 268 Kbps fieldbus for 100 series FBMs

– Splitter/terminal modules for A/B fieldbuses

– Backwards compatible with existing I/O subsystems, allowing for future expansion

No additional interface hardware required

 Primary and secondary 24 VDC power supplies and communication connections

 Dedicated keying position for individual CP-type modules (e.g. FCP280. FDC280 or FCM/FBM), depending on the substrate type

 Passive backplane for increased system reliability.

200 Series Substrate Mounting

Most 200 series baseboards are available in three basic mounting configurations – horizontal DIN rail mount), vertical DIN rail mount, or horizontal or vertical DIN rail mount, but the baseboards themselves must be orientated horizontally.

Any of these mounting configurations can be used inside the cabinet, outside the cabinet, or mounted on secure DIN rails.

The FBM233 Redundant Field Device System Integrator (FDSI) module provides an Ethernet interface between single- or dual-port field I/O devices and the EcoStruxure™ Foxboro™ DCS.

Each FBM233 module has an RJ-45 connector (10/100Mbps copper Ethernet connection) on the front of the module for connecting dual-port Ethernet devices.

The FBM233 connects to an Ethernet switch or hub to communicate with one external device or up to 64 external devices.

The combination of a pair of modules provides redundancy at the fieldbus module (FBM) level.

In this configuration, one FBM233 is the master and the other is the tracking module.

Input points on the control station are updated from device input points received on the network connected to the master.

Device output points (depending on the I/O driver) are written by both the www.abb-drive.com master and the trace module.

If the I/O driver detects a problem (e.g. any device loses its heartbeat), a role switch is automatically performed, or the user can switch roles at any time via the SMDH.

Functional Features

Key features of the FBM233 include

– Redundant 10 Mbps or 100 Mbps Ethernet network transfer rates to and from field devices

– Communication with up to 64 field devices

– Downloadable I/O software drivers from available protocol libraries

– Up to 2000 DCI block connections

– Integration of field device data into the Foxboro DCS control database using an Ethernet connection

– Field Installation

– G3 rated (harsh) environments.

I/O Driver

The FBM is a general purpose Ethernet hardware module that can be loaded with different software drivers.

These drivers configure the FBM to recognise the specific protocol used by the device.

Some of these software drivers are standard products. Other custom drivers can be developed to meet specific needs.

These drivers are dynamically downloaded to the FBM233 with software code specifically designed to interface with the protocols of third party devices.

The configuration steps and software requirements for each driver are specific to the device integrated into the system.

Ethernet Link Setup

Data communication between the FBM233 and field devices takes place via the RJ-45 interface on the front of the FBM233 module.

The RJ-45 connector of the FBM233 can be connected to the field device via a hub or an Ethernet switch.

The FBM233 connects to an Ethernet switch or hub to communicate with one external device or up to 64 external devices.

Configurator

The FDSI Configurator sets up the FBM233 ports and XML-based device profiles.

The Port Configurator makes it easy to set communication parameters (e.g., Dynamic Host Configuration Protocol (DHCP), IP address) for each port.

The Device Configurator is not required for all devices, but when it is, it can configure device-specific and point-specific considerations

(e.g., scan rate, address to which data is to be transferred, and amount of data to be transferred in a single transaction).

WIDE SELECTION OF MEASURING ELEMENTS

Invensys Foxboro offers the widest variety of element constructions and ranges in the industry. This versatility enables the 43AP Series Pneumatic Indicating Controllers to be applied to virtually any process.

WIDE CHOICE OF CONTROL MODES

On-off, proportional, proportional plus derivative, proportional plus integral (reset), proportional plus integral plus derivative, differential gap, and automatic shutdown actions are available.

BROAD RANGE OF INTEGRAL (RESET) AND DERIVATIVE ADJUSTMENTS

The integral unit has the complete range from 0.01to 50 minutes, and the derivative unit from 0.05 to 50 minutes.

VARIETY OF OPTIONS

These controllers are available with an extensive list of optional features. Among these are internal bumpless automatic-manual transfer stations (two types), “batch” function, remote pneumatic set point, Type 70 electric contacts, and control valve mounting.

ACCURACY UNAFFECTED BY MOUNTING STRESSES

Both the control unit and the measurement element are mounted on a rigid steel plate. www.abb-drive.com Thus, these components are isolated from case stresses due to mounting, and dependable accuracy is ensured.

POWER FAILURES DO NOT INFLUENCE PROCESS-DRIVEN INDICATION

A power failure and the likely subsequent loss of supply pressure do not influence the process-driven indication.

WEATHERPROOF CONSTRUCTION

A glass fiber reinforced case and a gasketed door with a shatterproof polycarbonate window meet IEC IP53 and provide the environmental protection of NEMA® Type 3.

VERSATILE MOUNTING

Instruments may be mounted in a panel, on a flat surface, on a INTERNAL BUMPLESS AUTOMATIC-MANUAL TRANSFER STATION

This option provides bumpless-balanceable transfer between automatic and manual control by simple 2step procedure. Accidental transfer is avoided because the door must be opened to gain access to the transfer station.