9-6
Analog Input Value When an Error
Occurs
If an error is detected in the process of converting analog input data, the analog input is converted as
shown in the table below. These converted values can tell you if the following errors have occurred.
Error name Data name Analog input value when an error occurs
Unit I/O Disconnection Detected for Channel £
Ch1 Data 32767
Ch2 Data 32767
Ch3 Data 32767
Ch4 Data 32767
Unit Over Range for Channel £
Ch1 Data Upper limit of convertible range
Ch2 Data Upper limit of convertible range
Ch3 Data Upper limit of convertible range
Ch4 Data Upper limit of convertible range
Unit Under Range for Channel £
Ch1 Data Lower limit of convertible range
Ch2 Data Lower limit of convertible range
Ch3 Data Lower limit of convertible range
Ch4 Data Lower limit of convertible range
9 Troubleshooting
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NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
9-6 Analog Input Value When an Error Occurs
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