SLK-S502 Serial server instruction manual
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As shown in the figure below, the area Address setting value in the red box: 0001, the Length setting value: 4,
and the MODBUS Point Type select 02: INPUT STATUS.
This is mainly for demonstration. The short connection method is adopted. A is connected to 12VDD and B is
connected to DIN1. The interface corresponds to the value in the software one-to-one. DIN1 corresponds to 10001,
DIN2 corresponds to 10002, DIN3 corresponds to 10003, DIN4 corresponds to 10004, and the following brackets
The value will vary according to the wiring method, as shown in the figure.
If B is connected to DIN2, the value of 10002 will become 1.