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IGT-30 Series
18
4. Digital I/O and DC Connector
There are three I/O connectors on IGT-30D/ IGT-31D, each serving a different
purpose and function from one another. They consist of digital input/ output, console
and serial port. There is also a DC connector at the top of the system.
4.1
Digital Input Connector (X1) & Pin Definition
X1 connector on the front panel comprises of ten pins starting with Pin X1.1 from the
top in numeric order downwards to X1.10. It is dedicated for digital input functions.
Pin
Channel
Description
Pin
Channel
Description
X1.1
DI_COM
Common point of
digital inputs
X1.6
DI_3
Digital input 3
X1.2
DRY_COM
Common point of dry
contact inputs. Modify
corresponding DIP
switches to enable dry
contact input.
X1.7
DI_4
Digital input 4
X1.3
DI_0
Digital input 0
X1.8
DI_5
Digital input 5
X1.4
DI_1
Digital input 1
X1.9
DI_6
Digital input 6
X1.5
DI_2
Digital input 2
X1.10 DI_7
Digital input 7