## MODBUS Registers

### Input Registers

|Value|Register|
|---|---|
|CO2  | 30010|
|SHT4x  | 30011|
|RH SHT4x  | 30012|
|T SCD4x  | 30013|
|RH SCD4x  | 30014|
|T SHT4x SIGNED  | 30015|
|T SCD4x SIGNED  | 30016|

### Holding Registers

|Value|Register|
|---|---|
|LED ON  | 40001|
|CO2 ALERT LIMIT1  | 40002|
|CO2 ALERT LIMIT2  | 40003|
|MODBUS ADDR  | 40004|

### Device Information Registers

|Value|Register|
|---|---|
|VENDOR NAME  | 30010|
|PRODUCT CODE  | 30011|
|REVISION  | 30012|
|PRODUCT NAME  | 30013|
|SERIAL NUMBER  | 30014|