The Modbus SSRx 16-bit system status registers are by default located at addresses 40128...40133. See the Modbus memory map for the actual locations of the SSRx registers. The SSRx registers can also be read from the 3X register area from corresponding register addresses.
| Register | Description | Address |
|---|---|---|
| SSR1 | Device health |
40128 |
| SSR2 | Device mode |
40129 |
| SSR3 | Data available 1 |
40130 |
| SSR4 | Data available 2 |
40131 |
| SSR5 | Device alive counter |
40132 |
| SSR6 | Last command result |
40133 |