PND Protocol PLX3x Series
User Manual Ethernet and Serial Gateways
Page 214 of 218 ProSoft Technology, Inc.
May 26, 2016
Input Error Message Status
Pointer to data memory is NULL
Write buffer is already locked or unlocked
Data length to be written is invalid
Output Error Message Status
No new data was copied into the buffer
Pointer to data memory is NULL, or pointer to variable to receive the APDU
Data Status is NULL
IOCR ID could not be found, or IOCR ID is invalid
Data length to be read is invalid
10.4.3 Configuration Error Codes
The ERR LED is lit when no connection from the PLC is established.
Error Codes
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