Installation Manual

PE Smart Gateway Neptune US
Installation manual
Document No. [DOC-INS-0059-02] Date of last revision [23.11.2018]
Page 17 / 30
4.4.2 I/O connector
If the I/O cable is unused, cover the port with the plug/cap to ensure product IP rating
The I/O cable mates with the I/O connector providing 1 opto-isolated dry contact input and 1 analog input.
Figure 12 Pinouts of the I/O connector, viewed from the connector side
I/O cable wires description
Label
Color
Function
Ratings
A
Blue
Dry Contact, External input (+)
DC 5.2 V (max), 3 mA (max)
B
Brown
Not used
Not used
C
Red
Not used
Not used
D
White
Analog input (+)
0 – 10 V dc (100 kΩ)
E
Black
Analog input (-)
0 – 10 V dc (100 kΩ)
F
Black
Dry Contact, External input (GND) – Opto-isolated
N/A