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© Sealevel Systems, Inc. SeaConnect 370 Manual | SL9269 11/2022
Discrete Inputs
Digital I/O Wiring Connections
The SeaConnect-370 modules include four inputs that have separate common for each channel. The two
I/O points and commons are connected via an eight-position removable screw terminal.
Table 3: Discrete Digital Input Connectors Pinout
Pin 1
st
Connector 2
nd
Connector
1
5VDC
5VDC
2
DIN-1A
DIN-3A
3
DIN-1B
DIN-3B
4
Common
Common
5
5VDC
5VDC
6
DIN-2A
DIN-4A
7
DIN-2B
DIN-4B
8
Common
Common
The I/O points can be wired to support various input schemes including Dry Contact closures and Open-
Collector outputs. Various wiring schemes are illustrated below.
Figure 22: Dry Contact Closure