The device health SSR1 register is located by default at address 40128. The bits in SSR1 are common for all Modbus clients. The bits in SSR1 give an overview of the protection relay's health. If a specific bit in this register is "1", it signifies a warning or an error in the hardware entity in question.
Note: More specific warning and error codes can be read from elsewhere in the Modbus memory. See the Modbus memory map for these register locations.
| Bit | Description |
|---|---|
| 0 | Device global warning |
| 1 | Device global error |
| 2 | Slot G (X130) error |
| 3 | Slot F (X120) error |
| 4 | Slot E (X115) error |
| 5 | Slot D (X110) error |
| 6 | Slot C (X105) error |
| 7 | Slot B (X100) error |
| 8 | Slot A1 (X000) error |
| 9 | Slot A2 (X000) error |
| 10...15 | 0 = not used |