
Diagnostics and Troubleshooting PLX8x-MNET-61850 ♦ Communication Gateway
User Manual Modbus TCP/IP to IEC 61850
Page 120 of 228 ProSoft Technology, Inc.
May 14, 2014
Modbus Communication Error Codes
CTS modem control line not set before transmit
Timeout while transmitting message
Timeout waiting for response after request
Incorrect slave address in response
Incorrect function code in response
Invalid CRC/LRC value in response
MNET Client Specific Errors
Failed to connect to server specified in command
MNET command response timeout
TCP/IP connection ended before session finished
Command List Entry Errors
Internal address > maximum address
Invalid node address (<0 or >255)
ARP could not resolve MAC from IP (bad IP address, not part of a
network, invalid parameter to ARP routine).
Error during ARP operation: the response to the ARP request did
not arrive to the gateway after a user-adjustable ARP Timeout.
Last Error
Execution Count: Total number of times this command was sent / triggered.
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