ClimaCheck Gateway NX400 Hardware Manual
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2020-03-26 Page 39 of 41
33
AOUT2
Analog output 2
34
AOUT3
Analog output 3
35
AOUT4
Analog output 4
36
AGND
Analog ground
8
37
CAN-H
CAN-bus H-signal
38
CAN-L
CAN-Bus L-signal
39
GND
Signal ground
9
40
RS232 1 TX Transmit data from serial port 1, RS232 compatible
41
RS232 1 RX Receive data for serial port 1, RS232 compatible
42
GND
Signal ground
10
43
RS1A
RS485 non-inverting signal for RS485 port 1
44
RS1B
RS485 inverting signal for RS485 port 1
45
SGND
Signal ground
11
46
RS2A
RS485 non-inverting signal for RS485 port 2
47
RS2B
RS485 inverting signal for RS485 port 2
48
SGND
Signal ground
12
49
1WIRE
1-Wire bus for accessories such as ID-button/temperature
sensors
50
1WIRE-LED
1-Wire ID-button LED
51
GND
Signal ground
13
52
DCOUT
+5V / 300mA DC-OUT for external equipment (tied together
internally)
53
DCOUT
+5V / 300mA DC-OUT for external equipment (tied together
internally)
54
GND
Signal ground
14
55
-
External battery positive (+) connection
56
-
External battery negative (-) connection
57
-
External battery NTC temperature sensor connection