This user manual is for the DIGITRONIK digital indicator regulator SDC40A/40G. It contains necessary information for the safe and proper use of the product.
This manual provides the necessary information for using the CPL communication functions of the SDC40A/40G digital indicator controller. It is intended for designers, installers, and maintenance personnel who need to configure and troubleshoot the device.
The document is organized into chapters covering communication functions, RS‑232C/RS‑485 wiring, configuration settings, communication steps, data address tables, example master‑station programs, fault handling, and detailed communication specifications. Appendices include code tables and connector diagrams. This manual is written in Japanese.
| RS‑232C transmission speed | 4800, 9600 bps |
|---|---|
| RS‑232C maximum transmission distance | 15 m |
| RS‑485 transmission speed | 4800, 9600 bps |
| RS‑485 maximum transmission distance | 500 m |
| Maximum RS‑485 nodes | 31 devices |
The host must wait up to 2 seconds for a response after sending a command.
One host can connect up to 31 devices on an RS‑485 bus.
Three pins (RD, SD, SG) must be connected; other pins must be shorted as shown to avoid communication failure.