Chapter 2 Devices Registers for data exchange through COM1 and COM2 connections 2_ The error codes 1–7 are the standard response error codes of the Modbus protocol. Error code 9 means timeout. Flags for data exchange through Ethernet connections Error codes for Ethernet connections The list of SM/SR states when connecting to RTU-EN01 throught Ethernet port 2-93 SM862 R/W Data exchange through COM2 enabled by ISPSoft. SM864–SM895 R/W Connection 1–32 through COM2 for data exchange started. SM896–SM927 R Data received through COM2 connection 1–32 for data exchange.
SM928–SM959 R Error in the COM2 connection 1–32 for data exchange SR Function SR1335 Actual cycle time of connection 1–32 for data exchange through COM1 SR1336 Number of the connection that is currently performing a cyclical data exchange through COM1 SR1340–SR1371 Error code for data exchange through the COM1 connection 1–32 SR1375 Actual cycle time of connection 1–32 for data exchange through COM2 SR1376 Number of connection that is currently performing a cyclical data exchange through COM2 SR1380–SR1411 Error code for data exchange through the COM2 connection 1–32 SM Type Function SM1167 R/W Data exchange through Ethernet port enabled by ISPSoft.
SM1168–SM1183 R/W Connection 1–16 through Ethernet port for data exchange started. SM1200–SM1215 R Data received through Ethernet port connection 1–16 for data exchange.
SM1232–SM1247 R Error in the Ethernet port connection 1–16 for data exchange Error code Description 16#00XX Remote module response error Code 1~7 are standard Modbus TCP protocol error codes 16#F000 Ethernet connection is not established 16#F001 Remote module response timeout 16#F003 TCP connection timeout 16#F007 Response error 16#F009 Connection lost in the remote module SM / SR Description SM1312 - SM1315 The communication state flags of RTU-EN01 connection ID 1-4 SR1312 - SR1315 The communication state codes of RTU-EN01 connection ID 1-4 SR SM state Description 0 Off Connection closed 1 On Successful connection 2 Off Communiction timeout 3 Off Connection closed by force 4 Off RTU-EN01 response:
error in contents 5 Off RTU-EN01 response: error 6 Off Network not connected or connection failed