Features
– 64 different or single-ended inputs
– 16-bit analogue-to-digital conversion (A/D)
– Software selectable conversion rate (up to 100 kHz)
– Programmable selection of scanning 1. 8. 16. 32 or 64 channels
– Continuous digitisation of selected input channels and storage of results
– Three trigger modes
– Software triggered
– External trigger
– Interval timer trigger
Three scanning modes
-Automatic scanning
-Single scan
-Random access
– Programmed VME interrupts
– User programmable interval timer
– Software programmable gains of 1 and 10
– External trigger synchronises multiple boards simultaneously
– Jumper-selectable A/D ranges of 0 to +5V, 0 to +10V, ±2.5V, ±5V, and ±10V
– Optional low-pass filter
– Overvoltage protection input
– 1.024 word data buffer (16 word depth buffer x 64 channels)
– Optional output coding
– Power up in auto-scan mode with a gain of 1
APPLICATIONS
– Factory automation
– Process control
– Laboratory Instrumentation
– Machine monitoring
– Data Acquisition
Functional Characteristics
At +25°C and rated power supply conditions (unless otherwise noted)
Trigger Modes
Trigger Mode: Software Trigger: Initiate the selected scan mode by writing the software trigger address.
External Trigger: Receives an external trigger via the P2 connector to initiate the selected scan mode.
Interval Timer Trigger: activates the selected scan mode each time the programmed interval expires.
Scan Mode: Auto Scan: This is the default scan mode. All active channels are scanned sequentially and continuously.
Single Scan: A single data burst (scanning all selected channels) is initiated www.abb-drive.com by the selected trigger mode.
After scanning all selected channels, the scanning process stops and waits for another trigger.
Random Access: Selects, digitises and stores one channel each time the selected trigger mode is enabled.
Channel Auto Gain: A unique gain code for each channel is loaded from the VME into the gain buffer.
The assigned code is retrieved from the buffer in real time each time a channel is acquired.
Synchronisation: Single sweeps or bursts can be triggered by an external TTL flip-flop (external trigger) via the P2 connector or by a control and status register.
or initiated by a local trigger (software trigger) via the Control and Status Register (CSR).
In either case, a P2 flip-flop output is generated which can be used to synchronise up to 15 boards.
VME Access: The response to the address modifier is selectable via jumpers:
A32. A24 or A16 address space
Supervisory access or user access, or both
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