Delta Electronics Communication Module RTU-485 - Manual (Page 6)

Modbus Remote I/O Communication Module RTU-485
DVP-PLC Application Manual 4
2 Product Profile & Outline
2.1 Dimension
2.2 Product Profiles
1. POWER indicator 9. Mounting hole for extension module
2. RUN indicator 10. Nameplate
3. ALARM indicator 11. Extension port
4. RUN/STOP switch 12. DIN rail (35mm)
5. Communication indicator 13. Fastening hole for extension module
6. Address switch 14. DIN rail clip
7. Communication mode switch 15. Mounting rail for extension module
8. RS-485 communication port 16. Power input
2.3 RUN/STOP Switch
RUN/STOP action Explanation
RUN Special module in RUN mode
RUN → STOP
1. Special module switches from RUN to STOP.
2. Output points on Slim DI/DO extension unit all turn Off.
STOP
1. Special module in STOP mode
2. Special module cannot be controlled by communication.
3. Slim DI/DO extension unit cannot be controlled by
communication.
STOP → RUN
1. Special module switches from STOP to RUN.
2. RTU-485 redetects the number of points in Slim DI/DO
and the number of special modules.
STO P
RUN