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
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 and - terminals
on the last Modbus device in series
G
G
+
+
-
-
for more info about setting up inverters, meters, & sensors
