User Manual

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