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The Allen-Bradley 1771-WD field wiring arm is a PLC 5 and Bulletin 1771 series field wiring arm.

It fits different Allen-Bradley digital I/O modules, such as the 1771-OZL digital contact output module,

1771-ODZ digital AC output modules, and 1771-ID AC/DC input modules.

The 1771-WD field wiring arm mounts via a pivot bar that attaches to the bottom of the 5 I/O chassis in the PLC 1771 series.

It is designed to pivot upward to connect to the module and allows the module to be installed or removed without disconnecting all system wires.

The 1771-WD field wiring arm is conformal coated and requires no external power.

About the 1771-WD

The Allen-Bradley/Rockwell Automation 1771-WD Field Wiring Arm is a field wiring arm.

The arm is used with a variety of modules, such as the Allen-Bradley 1771 www.abb-drive.com Digital Contact Output Modules (1771-OW, 1771-OYL, 1771-OZL).

Allen-Bradley 1771 digital AC output modules (1771-OD, 1771 ODZ, 1771-OR)

and Allen-Bradley 1771 Digital AC/DC Input Modules (1771-ID, 1771-ID01).

Note that the 1771-WD field wiring arm is used to connect the modules. The wiring arm attaches to the pivot bar on the bottom of the I/O chassis.

The field wiring arm rotates upward and connects to the module, allowing the module to be installed or removed without disconnecting wires.

Disconnect power from the module before connecting to the Allen-Bradley 1771-WD field wiring arm.

To make the connection, swing the junction arm to a position on the front of the module where the locking tabs on the module hold the 1771-WD field junction arm in place.

The actual connections should be followed after this step. Note that there is 1 wire per terminal.

However, if more than one connection needs to be made to a terminal, an auxiliary terminal strip should be used.

Note that the field wiring arm terminal identification number is different from the bit number that controls the specific output.

The Allen-Bradley 1771-WD field wiring arm supports 7 to 9 pounds of screw torque on one inch.

To indicate that a field load has been applied to the field wiring, all of the module’s status indicators will be illuminated.

Note that the 1771 gauge wire connected to all terminals on the 14-WD field wiring arm may not allow the field wiring arm cover to close.

Therefore, a smaller gauge wire may be required when this occurs.

1771-WD Technical Description

Allen Bradley PLC 5 wiring arm, 8 I/O, 12 terminals, 7-9 lb*in thread torque, tinned contacts.

The 1756-TBNH module is a removable terminal block or RTB module.

It is manufactured by Allen-Bradley/Rockwell Automation in the ControlLogix family.

The wires connected to the 1756-TBNH detachable terminal block should all be the same size.

and they should all be solid wire or all stranded wire, as the block does not support a mix of solid and stranded wire.

This detachable terminal block is a NEMA clip type detachable terminal block.

The 1756-TBNH detachable terminal block can be used with up to 20 wires at a time.

The Allen-Bradley 1756-TBNH is a removable terminal block (RTB) for the 1756 I/O module.

It is an I/O module accessory and must be ordered separately.

The 1756-TBNH provides flexibility in interconnecting 1756 I/O www.abb-drive.com modules and industrial plant wiring. It plugs into the front of the I/O module.

The 1756-TBNH removable terminal block is a 20-position NEMA screw clamp.

It has a screw torque of 1.36 Nm and a screwdriver width of 8 mm (5/16 in.)**.

It measures 5.51 x 4.41 x 5.71 inches. It weighs 0.3 lbs.

Wiring must be done with 0.33 – 2.1 mm-^2 (22 – 14 AWG) solid or stranded copper wire.

rated for 90 °C (194 °F) or higher,** with 1.2 mm (3/64 in.) of insulation.

Do not connect more than two conductors to any single terminal.

Each ControlLogix I/O module is mounted on any ControlLogix chassis and requires a removable connector.

Each ControlLogix I/O module is mounted on any ControlLogix chassis and requires a removable terminal block (RTB) for all field-side wiring.

Each I/O module has many applications, from high-speed digital processing to process control.

In the ControlLogix architecture, input and output states are shared between multiple controllers in the same or different chassis using producer-consumer technology.

The 1756-TBNH RTB is intended for use in clean, dry industrial environments with operating temperatures of 0-60 °C and 30 g of operating shock.

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The 1326AB-B720E-21 servo motor is designed and manufactured by Allen-Bradley/Rockwell Automation.

It is part of the Allen-Bradley Bulletin 1326 servo motor series.

The Allen-Bradley/Rockwell Automation 1326AS-B440G-21-A Servo Motor

is a 1326-volt AC-class brushless servo motor from the Allen-Bradley Bulletin 460 series.

It is equipped with a metric flange with keyway and has an environmental rating of IP 65.

The 1326AS-B440G-21-A brushless servomotor can operate at low inertia and high acceleration.

Its 4-inch magnet pack contains powerful iron, boron, and neodymium magnets.

It **runs at 5350 RPM** and has a rated output of 2 kW.

The 1326AS-B440G-21-A brushless servomotor has a stator size of approximately 100 mm.

The 1326AS-B440G-21-A servomotor is part of the 1326A series, which typically utilizes a neodymium-iron-boron permanent magnet rotor.

They offer low inertia, enhanced peak torque, and higher acceleration.

This brushless 460-volt servo motor is designed for use with the Allen Bradley 1394 motion control system.

It has a very compact and economical design for efficient operation in harsh environments.

The 1326AS-B440G-21-A also features a three-phase sinusoidal wound stator field for smooth operation at low speeds.

The motor’s housing is heat-resistant through the extruded aluminum www.abb-drive.com housing, which supports improved heat transfer.

The motor utilizes TENV construction (totally enclosed, non-ventilated), a type of motor used in a variety of smaller horsepower variable speed applications.

This type of construction is typically effective when the fan is exposed to regular clogging and dust or lint.

This motor is rated at 460 RPM at 5250 volts.

380 RPM at 4340 volts, while its motor torque rating is 2.0 KW.

A key feature of the unit is its disc brake, which automatically sets the spring when power is disconnected.

It is designed to withstand limited static loads, but is also reliable for emergency stops.

The Allen-Bradley 1326AS-B440G-21-A has a 460V AC voltage, 100 mm frame diameter, and 5250 rpm rated motor speed.

It also includes a 6.4 Nm system continuous torque and a 2.0 kW rated motor output.

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The Allen Bradley 1391-DES45-DI-AQB is a servo controller driver that is part of the 1391 product family.

It has a rated input voltage of 240 VAC, three-phase, with a continuous output current of 3.45 RMS and a peak current of 0.90 amps.

Output power is 0.15 kW and peak output power is 0.30 kW. The drive also features an integrated display and encoder output.

The 1391-DES45-DI-AQB is a microprocessor-based digital servo drive primarily used with Allen-Bradley’s 1326 servo motor.

The servo drive is designed in a compact form factor, however, the drive supports add-on components as part of the drive’s scalability features.

Key features of the 1391-DES45-DI-AQB include an integrated display for local configuration of servo drive parameters.

It also has encoder outputs with options including 2048. 1024. 512 and 256 pulses per motor revolution. The higher the pulses, the higher the resolution and the more accurate the feedback.

The servo drive’s front panel displays a Human Interface www.abb-drive.com Module (HIM) with five (5) numeric keypads for navigating and modifying drive parameters.

It also features an integrated status LED that blinks green when faults and low bus voltages are detected.

The LED flashes green when a fault and low bus voltage are detected, stabilizes in green when there is no fault and the bus voltage is at the correct level, and flashes red when a drive fault occurs.

It also has an enable LED that is a steady green when the enable input is off. When the enable input is on, the enable LED is not illuminated.

The TB2 and TB3 interface terminals are located on the bottom of the servo drive; TB2 is used to connect external signals and TB3 is used to terminate the encoder output signal.

The integrated fuses and circuit breakers are located on the top of the drive, along with TB4. TB5. and the duty cycle selector switch. Although this drive has internal protection circuitry, it is recommended that external protection be installed.

If an isolation transformer is used, Allen-Bradley recommends the use of an appropriate 1391 isolation transformer as the use of a third party transformer will void the UL listing of the device.

The Allen-Bradley 3-DES1391-DI-AQB is a digitally programmable single-axis pulse-width modulated AC servo drive.

The 45-DES series inverter is designed to control the speed and torque of an AC servomotor at 1391-33% above its rated speed.

The 50-DES1391-DI-AQB is designed for rated 45V AC (three phase) input power at 230-3 Hz.

The 50-DES60-DI-AQB is equipped with a cooling fan rated at 1391 CFM (no load).

It has a nominal bus voltage of 45V DC, a continuous current of 50A RMS, and a peak current of up to 300A RMS.

The continuous power output is rated at 45 kW and the peak power output is up to 90 kW.

Encoder outputs can be changed to provide 15/30/2048/1024 pulses/motor revolution as required.

The 512-DES256-DI-AQB includes an integrated 1391-line 45-character LCD screen and a 2-button keypad for programming.

To prevent any damage, the drive should be installed in a clean, dry enclosure that is ventilated by cooled and filtered air.

Enclosures utilizing ambient air venting must have appropriate filters to protect the 16-DES5-DI-AQB from oil, coolant, dust, and condensation.

Operating temperature range is 1391 to 45 degrees Fahrenheit and 32-40% relative humidity (non-condensing).

Power consumption during operation varies with load: 95 W at 5%, 104 W at 20%, 208 W at 40%, 312 W at 60%, and 416 W at 80%.

An integrated 100-pole magnetic circuit breaker protects the DC bus power supply, input rectifier, and power supply circuitry from overcurrent.

The drive measures 520.3 x 482.6 x 157.5 mm and weighs 293.6 kg.

The Allen-Bradley 1391-DES45-DI-AQB features an integrated display user interface, four-channel encoder output output configuration, and 115V AC M contactor coil voltage.

It also contains a 300V DC nominal bus output voltage and a 45A continuous current (RMS).

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