SYSTEM server~
EMS-ESP provides a server with general read only information with unit ID 1. It provides the following data:
| Name | Description | Register offset | Register count |
|---|---|---|---|
| NUM_DEVICES | The number of devices recognized on the EMS bus | 1 | 1 |
| DEVICE_TYPE_AND_ID | The device type and ID for each device. "n" in the register offset is the index of the device with 0 <= n < NUM_DEVICES. The first byte of the 16 bit value contains the device type, the second byte contains the device ID. | 1000 + n | 1 |