In-Situ Aqua TROLL 400 Operators Manual - Manual (Page 34)

800-446-1500 34 www.in-situ.com
Modbus Master RS485 Wiring Diagram
Cable length must not exceed 1,219 m (4,000 ft).
Signal Color
Ground/Return Black
External Power (12-36 VDC) Red
RS485 (-) Green
RS485 (+) Blue