2105551-001 rev. AC |
7
4.2 Mounting
the
RMC
To mount the controller on the DIN rail:
1. Position the RMC on the DIN rail.
2. Push the RMC onto the DIN rail until it snaps into place (Figure 1).
Figure 1: Mounting the RMC
IMPORTANT NOTE
. To remove the controller, use a slotted
screwdriver inserted in the access slot of the DIN rail release clip to
loosen the clip. For more information, refer to the
Maintenance and
Service
section in the
RMC User Manual
.
4.3 Wiring COMM ports
Wire the RMC COMM ports to communicate with and power external devices. Wiring
for communication depends on the type of serial interface required by the device.
Wiring for power is required if there is no external supply powering the device.
Table 1 provides the specifications for the serial communication ports.
Table 1: Serial communication specifications
Type
Maximum Length
Termination
RS-232
50 feet (15 meters)
Terminal connector (9 POS), screw termination
and pluggable COMM module
Active when communication module is inserted
RS-485 or
RS-422
4000 feet (1220 meters)
COMM EX P AN SION
U
S
B T
YPE
B
1
