Allen Bradley PLC 5 Communication Adaptor Module, Data Highway, Data Highway Plus, and Allen-Bradley Industrial Terminal (Series 1784) Interface Ports, 1.4 Amperes at 5 Volts DC Required Backplane
USED ALLEN BRADLEY 1785-BCM BACKUP COMMUNICATION MODULE SERISE B, 1785BCM
1785-BCM Profile :
The 1785-BCM PLC 5 Backup Communication Module by Allen-Bradley is a backup module which provides high-speed transfer of communication between 2 Programmable Logic Controller (PLC-5) processors and it backs up the processor information and data in the event of a system failure. The module occupies a single slot on the 1771 I/O chassis and it is compatible with the 5/60 and -5/80 PLC 5 processors. It draws a 1A backplane current at 5V DC. The 1785-BCM provides 32-bit input capability for PLC 5 processors in the image table and it comes with switch assemblies with 4 switches which are set in different positions. The 1785-BCM also comes with the 1771-WG Field Wiring Arm with a wiring arm screw torque of 9 inches-pounds and it uses 26-14 AWG solid or stranded copper wire as conductors.
Allen Bradley 1785-BCM Technical Specifications:
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Part Number/Catalog No. | 1785-BCM |
| High Speed Serial Link Interface | 1 |
| 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 |
| Weight | 0.3 lbs (0.1 kg) |
| Dimensions | 4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm) |
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