Connecting Digital Inputs/Outputs; Securing The Cables - Siemens SIMATIC HMI IRD400 Operating Instructions Manual

3.3.5

Connecting digital inputs/outputs

The I/O interface X10 with 8 digital inputs/outputs for input and output devices which are not
to be operated in fail-safe mode are located on the side of the device.
Unconnected inputs/outputs are automatically set to "0".
Procedure
The plug-in connector is included in the accessory kit and is designed for cables with a
maximum cross section of 1.5 mm
Note
Risk of damage to the device
Do not connect the cables if the plug-in connector is plugged into the HMI device. You may
damage the fastening of the connector in the device.
Only connect cables when the connectors are unplugged.
To open the plug-in connectors, press in the opening provided using a screwdriver for slotted
screws. Push the cable into the housing of the plug-in connector and remove the
screwdriver. The wiring is fixed.
Do not reverse the wires. Note the pin assignment of interface X10, see section "Interface
description" > Digital inputs/outputs (Page 50)".
3.3.6

Securing the cables

Use one or more cable ties to secure the cables connected to the display unit to suitable
fixing elements for strain relief.
IRD400
Operating Instructions, 05/2018, A5E36790512-AC
Installing and connecting the display unit
. Note the following with regard to stripping insulation:
2
3.3 Connecting the display unit
25