The 1785-BEM module is a backup communication and expansion module from the PLC 5 series.
A PLC 5 system that uses this backup communication and expansion module can switch up to 4
configurable communication channels at a time. The 1785-BEM backup communication and expansion
module operates as a backup device for all of the processor communication channels in the PLC 5 system.
This module operates with 0.6 Amps of backplane current at 5 Volts DC.
Technical Specifications for 1785-BEM
Manufacturer Automation
Brand
Part Number/Catalog No. 1785-BEM
Module Type Backup Communications Expansion Module
Backplane Requirement 0.6 Amperes at 5 Volts DC
DH+/RIO Interface 2
Operating System Windows 95/NT
Bus Communcations Local PCI 2.3 Compliant
LEDs 1 Diagnosis/Status Per Channel
Max Modules Per System 4
Coating Conformal Coat
Required External Power None
Typical AC Signal Delay (Off) 29 (+/- 8) ms
Typical DC Signal Delay (Off) 30 (+/- 7) ms
Wiring Arm 1771-WN
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