Chapter 7 IO Module
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Figure 7-58 Frequency Measurement Mode of the Counting Module
7.8.4 Status Indicator
Table 7-63 LK620 Indicators Definition
The module is working normally
Communication is not established
No powered on or module fault
The first output channel of counter 1 is cloesd
The first output channel of counter 1 is disconnected
The second output channel of counter 1 is cloesd
The second output channel of counter 1 is disconnected
Counter 1 works in counter mode
Counter 1 works in frequency measurement mode
The first output channel of counter 2 is cloesd
The first output channel of counter 2 is disconnected
The second output channel of counter 2 is cloesd
The second output channel of counter 2 is disconnected
Counter 2 works in counter mode
Counter 2 works in frequency measurement mode
Details of RUN Green indicator is as follows:
When powered on, the green indicator flashes to wait for the initialization data, the flashing
frequency is 4 times / s.
After initialization, the green indicator is on, which indicates that the module is running normally. If
the initialization data is incorrect, the communication cannot be established and the green