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3
HumiTherm Ultra
User Manual
7” Electrical Connections
Figure 1.4
1
2
3
3-Pin Male / Female Connector (5.08 mm pitch)
Supply Voltage : 20 to 28 VDC (24 V Nominal)
9 (4.3” HMI) / 15 (7” HMI) Pin D Type Connector
RS485 Serial Communication with microPLC &
Mapping Unit
6 Pin PS/2 Connector
RS232 Serial Communication with PC
24VDC
FG
+
-
COM2
ETHERNET
COM1
USB
HOST
SD-CARD
3
1
2
RESET
PULL
Battery Cover
15 Pin
Table 1.3
9 Pin