Water Specialist WS2HF, Руководство пользователя

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WS2H, WS2HF, and WS3 Manual Page 33
MODBUS INFORMATION
The WS2H, WS2HF, and WS3 can use Modbus through a half-duplex RS485 connection using the COMM IN
connector on the fi rst control in a system. The baud rate is adjustable from 9600 to 115200 (default).
To enable Modbus, select System Setup 3 (Set Number of Units) and hold the UP and DOWN arrows for >3s. Once the
screen appears for enabling Modbus, select “Yes” from the menu and press NEXT. Select the desired baud rate and
press NEXT. Set the address of the device (0 – 247) and press NEXT
Wiring for USB to RS485 Adapter ULinx 485USBTB-4W
Pin Function T-568B Cable Colors
1 TDA(-) GRN
2 TDB(+) WHT/GRN
3 RDA(-) ORG
4 RDB(+) WHT/ORG
5 GND BRN and WHT/BLU
For wiring to a RS485 connection on a PLC
- RJ45 connector is plugged into the Incoming (Modbus) port of Unit 1
- WHT/ORG and WHT/GRN both connect to PLC DATA+
- ORG and GRN both connect to PLC DATA-
- BRN and WHT/BLU to PLC GND if needed
Standard T568B Cable
RJ45 PINOUT
1 White/Orange
2 Orange
3 White/Green
4 Blue
5 White/Blue
6 Green
7 White/Brown
8 Brown