External electrical connection

MB_A

External Modbus A signal

MB_B

External Modbus B signal

+24V

+24V voltage (DC)

GND

Digital and analog ground potential

RS_A

Local hardware Modbus A signal

RS_B

Local hardware Modbus B signal

NTC

External temperature sensor connector

D/I1

Digital input 1

D/I2

Digital input 2

11V1

11.1 V operating voltage

AN/I

Analog input 0-10 VDC

RM/I

24V relay input

RM/O

24V relay output

Table 1. Power supply

Object	Feed
Maximum	≤6W
MyVallox Control	1 W
MyVallox RH% sensor	0.3W
MyVallox CO2 sensor	1.2W
MyVallox VOC sensor	2W
Voltage	24 VDC