FieldServer LonWorks ProtoNode - RM7800 Series

Page 22 of 97 PN: 106417-05
3.9 RM7800 Series
Figure 3-15: RM7800 Modbus RS485 Wiring
NOTICE:
• Connect terminal A (RS-485+) to Pin 1 (RS-485+) on the ProtoNode.
• Connect terminal CB RxD / TxD- (RS-485-) to Pin 2 (RS-485-) on the ProtoNode.
• CG Ground terminal does not need to be grounded to the RS-485 Ground port of ProtoNode.