100 C1553M-B (4/05)
CONFIGURE THE COMMUNICATIONS TAB
1. Connection Type: Specify the type of connection between the device driver and the relay unit.
DIRECT SERIAL: The relay unit is connected using an RS-232 to RS-422 converter or using an RS-422 PC serial port.
INTERNET PROTOCOL: The relay unit is connected to the serial port on a networked device.
MODEM: This feature is reserved for future development.
2. Settings: Complete the instructions provided below for the appropriate connection type specified in Step 1. The settings must match the
settings specified within the relay unit. Refer to the CM9760-REL installation/operation manual for information on unit settings.
Direct Serial Settings
Figure 118. Communications Tab for CM9760-REL Serial Settings
a. Select the COM port the relay unit is connected to from the drop-down box.
b. Set the baud rate to match the DIP switch settings on the relay unit’s IN port. 19200 is recommended. If the relay unit is daisy-chained
from another relay unit, use the same baud rate for all the units in the chain.
c. The remaining settings should specify no parity, 8 data bits, 1 stop bit, and no flow control.
d. Refer to Step 3 for instructions on completing the fields in the Miscellaneous section.
Internet Protocol Settings
Figure 119. Communications Tab for CM9760-REL IP Settings