Rockwell Automation 1756-DMF30 ControlLogix Drive Module - Manual (Page 41)

Publication 1756-UM522B-EN-P - February 2003
Installing the Drive Module 4-5
Connecting (Drive Comm
Drive Communication)
Cables The two fiber optic ports on the bottom-right of the module are for
Drive Comm. The front-right port receives data from the PMI
processor on the drive. The rear-right port transmits data to the PMI
processor.
•
Connect the 1756-DM transmit port (Tx) to the PMI receive port
(RCV).
•
Connect the 1756-DM receive port (Rx) to the PMI transmit port
(XMT). .
Figure 4.2 Drive Comm - Drive Module End Connections
ATTENTION
!
The Drive module is a Class I LED product. Light
levels may cause damage to eyesight. Do not look
directly into the fiber ports or fiber cables.
TIP
Keep the plugs that were removed to connect the
fiber optic cables. When the cables are disconnected,
you can reinsert the plugs into the ports to protect
them.
Tx Rx
Tx (rear)
Rx (front)