EMERSON
Last modified by Wecon on 2025/09/03 21:03
EMERSON
RTU Slave Protocol
Supported series: EC10 series
HMI Settings
| Item | Settings | Note |
| Protocol | Emerson 984 RTU Slave MODBUS | |
| Connection | RS485 | |
| Baud rate | 19200 | |
| Data bit | 8 | |
| Parity | EVEN | |
| Stop bit | 1 | |
| PLC station No. | 1 |
PLC Settings
Remember to use the Control Star to enable the Modbus RTU communication for port 1 in system block before dowload into PLC.



Address List
| Type | Device registers | Format | Range | Note |
| Bit | Y | YOOO | 0~377 | |
| X | XOOO | 0~377 | ||
| M0 | M0DDDD | 0~2047 | ||
| M1 | M1DDDDD | 2048~10239 | ||
| SM0 | SM0DDD | 0~255 | ||
| SM1 | SM1DDD | 256~511 | ||
| S0 | S0DDDD | 0~1023 | ||
| S1 | S1DDDD | 1024~4095 | ||
| T0 | T0DDD | 0~255 | ||
| T1 | T1DDD | 256~511 | ||
| C0 | C0DDD | 0~255 | ||
| C1 | C1DDD | 256~306 | ||
| Word | D | DDDDD | 0~7999 | |
| Z | ZDD | 0~15 | ||
| TW0 | TW0DDD | 0~255 | ||
| TW1 | TW1DDD | 256~511 | ||
| SD0 | SD0DDD | 0~255 | ||
| SD1 | SD1DDD | 256~511 | ||
| CW | CWDDD | 0~306 | ||
| Double Word | CW0 | CW0DDD | 200~255 | |
| CW1 | CW1DDDDD | 256~99999 |
Cable Wiring
