Rockwell Automation Publication 1766-UM001O-EN-P - September 2021 211
Appendix F MicroLogix 1400 Distributed Network Protocol
FC_START_APPL (FC Byte = 0x11)
17 – Start Application
This function code is used to start the user program which was downloaded by
RSLogix 500/RSLogix Micro software.
FC_STOP_APPL (FC Byte = 0x12)
18 Stop Application
This function code is used to stop the user program which was downloaded by
RSLogix 500/RSLogix Micro software.
FC_ENABLE_UNSOLICITED (FC Byte = 0x14)
20 – Enable Unsolicited Message
This function is used to dynamically enable unsolicited messages generated in
the controller.
FC_DISABLE_UNSOLICITED (FC Byte = 0x15)
21 – Disable Unsolicited Message
This function is used to dynamically disable unsolicited messages generated in
the controller.
FC_DELAY_MEASURE (FC Byte = 0x17)
23 – Delay Measurement, used for Non-LAN Procedure
This function code is used to measure the communication channel delay time.
FC_RECORD_CURRENT_TIME (FC Byte = 0x18)
24 – Record Current Time, used for LAN Procedure
This function code is used in the procedure for time synchronizing controllers
that communicate over a LAN.
This applies only to MicroLogix 1400 Series B and Series C controllers.
FC_OPEN_FILE (FC Byte = 0x19)
25 – Open File
This function code is used to make a file available for reading or writing.
FC_CLOSE_FILE (FC Byte = 0x1A)
26 – Close File
After the file reading or writing operation, this function code used to unlock
the file.
FC_DELETE_FILE (FC Byte = 0x1B)
27 – Delete File
A DNP3 master uses this function code to delete a file.
FC_GET_FILE_INFO (FC Byte = 0x1C)
28 – Get File Information
This function code is for the master to retrieve information about a file in the
controller.
This applies only to MicroLogix 1400 Series B and Series C controllers.
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