Modbus TCP Remote I/O Communication Module RTU-EN01
DVP-PLC Operation Manual
5
2.2 Product Profile
1. POWER indicator
12. RS-485 communication port
2. RUN indicator
13. Extension module positioning hole
3. BAT.LOW indicator
14. Nameplate
4. RUN/STOP switch
15. Extension port
5. RS-232 indicator
16. DIN rail (35mm)
6. RS-485 indicator
17. Extension module fixing clip
7. LINK/ACK indicator
18. DIN rail clip
8. SPEED indicator
19. Power supply port
9. Digital display
20. 3P terminal block (standard accessory)
10. Ethernet communication port
11. RS-232 communication port
21. Power supply connection cable (standard
accessory)
2.3 LED Indicators
LED
Color
Function
POWER
Green
Power supply indication
RUN Green
RUN/STOP
indication
BAT.LOW
Red
Battery in low power indication
RS-232 Yellow
Displaying
communication status of RS-232 port
RS-485 Yellow
Displaying
communication status of RS-485 port
LINK/ACT
Green
Displaying the status of network
SPEED
Yellow
Displaying the speed of network connection