MODBUS RS-485 WIRING DIAGRAM
& CONFIGURATION TEMPLATE
• Up to 32 Modbus RS-485 devices can be
connected to a single Cloud Connect/CCA
• All devices must have a unique Modbus address
• All devices connected in series must have the same
baud rate, parity, and stop bit settings
• Check device manual for Modbus settings
23
RS-485 Modbus terminal RS-485 Modbus terminal
B A B A B A
AUX RS485-1 RS485-2GATEWAY POWER
B A
B A
To Modbus
Device(s)
To TAP(s)/
Gateway(s)
Modbus Device #1
Manufacturer:
Model:
Type of Device:
Electrical Voltage:
Single or 3 Phase:
CT Rating:
Modbus Address:
Baud Rate:
Parity:
Stop Bits:
Modbus Device #2
Manufacturer:
Model:
Type of Device:
Electrical Voltage:
Single or 3 Phase:
CT Rating:
Modbus Address:
Baud Rate:
Parity:
Stop Bits:
Cloud Connect Advanced
(CCA)
RS-485 communication cable with shield
120Ω resistor across + and - terminals
on the last Modbus device in series
G G+ +
- -
Click here for more info about setting up inverters, meters, & sensors
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