Installing and connecting the device
3.3 Connecting the IOT2000 Extension Modules
IOT2000 Extension Modules
Operating Instructions, 2018/05, A5E39456816-AB
23
Connecting the IOT2000 Input Module Sink/Source
Requirements
● IOT2000 is disconnected from the power supply.
Risk of fire and electric shock
The on/off switch does not isolate the device from the power supply. Risk of electric shock if
the device is opened incorrectly or defective. There is also a risk of fire if the device or
connecting lines are damaged. Death or serious bodily injury can result.
You should therefore protect the device as follows:
• Always pull out the power plug when you are not using the device or if the device is
defective. The power plug must be freely accessible.
• Use a central power isolating switch for cabinet installation.
Connecting digital inputs
The figure below shows how to connect the digital inputs of IOT2000 Input Module
Sink/Source.
24 VDC Input
Used as Sinking Inputs
24 VDC Input
Used as Sourcing Inputs
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