Special Internal Relay - Panasonic FP2 ET-LAN Technical Manual

15.4.2 Special Internal Relay

Address Name
R9003 Intelligent unit error flag
R9004 I/O verification error flag
R9030 SEND/RECV instruction
executing flag
R9031 SEND/RECV instruction end flag
R9055 Intelligent communication unit 1
transmission error flag (*1 and *2)
R9056 Intelligent communication unit 2
transmission error flag (*1 and *2)
R9057 Intelligent communication unit 3
transmission error flag (*1 and *2)
Note1) The following units are included in the intelligent communication unit:
- ET-LAN unit
- Multi-wire link unit (MEWNET-W2 mode)
Note2) Numbered 1,2,3 starting from the slot nearest the CPU unit.
15-26
Description
Turns on when an error occurs in an intelligent unit.
The slot number where the erroneous intelligent unit is installed is
stored in DT90006 or DT90007.
Turns on when an I/O verification error occurs.
The slot number of the I/O unit where the verification error was
occurred is stored in DT90010 or DT90011.
Monitors if CPU is in the SEND (F145) or RECV (F146)
instruction executable condition as follows:
OFF: None of the above mentioned instructions can be executed.
ON: One of the above mentioned instructions can be executed.
Monitors if an abnormality has been detected during the
execution of the SEND (F145)/RECV (F146) instructions as
follows:
OFF: No abnormality detected.
ON: An abnormality detected. (Communication error)
The error code is stored in DT90039.
- Turns on when the Error LED lights on the intelligent
communication unit.
- Turns on when there is an error in the unit No. Settings.