ROTRONIC HM4 - Manual (Page 25)

E-M-HM4-V0_08
ROTRONIC AG
Bassersdorf, Switzerland
Document Code Unit
HM4 Humidity and Temperature Probe with
Heated Sensor
Instruction Manual
Document Type
Page 25 of 41
Document Title
© 2014; ROTRONIC AG E-M-HM4-V0_08
6.4 Cable Connection with Open Ends
Wire Colour Name Function
Green V (+)
5…24 VDC
15…24 VDC, depending on output variant and functions used
Grey / Shield GND Supply ground
Yellow AGND Analog GND
Brown OUT2, analog Temperature (default setting: - 40…60 °C)
Red RS-485 + RS-485 TX+ / RX+
White OUT1, analog Humidity (default setting: 0…100 %RH)
Blue RS-485 - RS-485 TX- / RX-
DRAFT