Repair Allen-Bradley 1771-OFE1 PLC-5 Analog Output Module
4 isolated (1kV) differential outputs.
Remanufactured
-
8 in stock
- 1771-OFE1REP
Overview
Features
- Natural Binary or BDC Scaling data format, to +/- 9999
- +/-10VDC output signal
- Voltage range options:
- 1 to 5 VDC
- -10 to 10 VDC
- 0 to 10 VDC
- 12 bits module resolution
- Accuracy:
- +0.1% of full scale
- +1/2 Least Significant Digit (LSD) in BCD
- +1/2 Least Significant Bit (LSB) in Binary mode
- 1.5mA backplane current
- 0.8ms converter setting time
- No required external power
- 1.5 Amps backplane power consumption
- 45ms (+/-15ms) typical AC signal delay
- 7.9W max. power dissipation
- 50ms typical DC signal delay (OFF)
- 26.9 BTU/hr thermal dissipation
- Rack mountable
Description
The Allen-Bradley 1771-OFE1 PLC-5 Analog Output Module delivers voltage signals used to power modulating devices including control valves, adjustable frequency AC drives, dampers, positioners, and louvers. The module can also be used as a signal source for data loggers, splitters, totalizers, panel meters, and single loop controllers.
The 1771-OFE1 is single slot and directly installs to a Bulletin 1771 I/O chassis. Each output includes built-in overload protection against short circuit load conditions. This module is a voltage version that converts 12-bit binary or 4-digit BCD (binary-coded decimal) values to analog signals using 4 outputs. Peripheral devices including motor speed controllers, valve positioners, signal converters, or recorders can be connected to the output. Write Block Transfer instructions move data up to 13 words away from the processor to the module for DA conversion in one scan, and Read Block Transfer moves 5 words of data from the module to the processor as part of the debugging process.
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