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5.2 Forcing
This section describes the "Force" function for the module's input and output data.
In forcing, the physical states of the inputs or the output values of the higher-level con-
troller are "forcibly" overwritten with other values. The user provides these values and
identifies them as forcing values. This method is helpful for commissioning systems and
troubleshooting.
The "Forcing" function can be accessed through the following tools:
• WAGO I/O Field Webserver
• WAGO I/O Field app on mobile devices
Systems like SPS, TIA Portal and the like also have forcing functions. Such forcing func-
tions should not be confused with the ones described in this section and will not be con-
sidered within the context of this section.
A distinction is made between two types of forcing:
1. Input simulation means overwriting input data with replacement values.
2. Overwriting output data with replacement values means setting or resetting the mod-
ule outputs independent of the module's process image.
Forcing Outputs
To force output data for test purposes, you can control all the outputs independent of the
actual process data value and set them to a specified alternative value.
For digital outputs, you can force pin 2 and pin 4.
For IO-Link, you can force port 16 data bytes.
Product manual | Version: 1.0.0
4PORT IOL-A FLD EC DC 24V 2.0A
Bit
Output Process Data
0
0
1
Port X01, pin 2: DO B
...
...
6
0
7
Port X04, pin 2: DO B
0 ... 7
0
Bit
Output Process Data
0 ... 7
0
0
Port X01, pin 2: DO B
1
Port X02, pin 2: DO B
2
Port X03, pin 2: DO B
3
Port X04, pin 2: DO B
4 ... 7
0
Table 29: Output Process Data (Port-Based Assignment)
Table 30: Output Process Data (Pin-Based Assignment)
Functions
29
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