Related Devices; List Of Related Devices; Details Of Related Devices - Mitsubishi MELSEC iQ-F FX5 User Manual

4.9

Related Devices

List of related devices

Special relay
Device No.
CH1 CH2
SM8500 SM8510
SM8740 SM8750
R: Read only
Special register
Device No.
CH1 CH2
SD8500 SD8510
SD8502 SD8512
SD8740 SD8750
SD8741 SD8751
SD8742 SD8752
SD8503 SD8513
R: Read only
*1 When SD latch setting is set to "latch", device value can be changed in the program or an engineering tool, and by turning power supply
ON→OFF or by reset, the corresponding function can be operated with the changed value.
*2 With latch settings: Read/write
No latch settings: Read only

Details of related devices

The devices described below are used in MC protocol.
Serial communication error
Turns ON when an error occurs in serial communication. These flags are for check of the serial communication error.
CH1 CH2
SM8500 SM8510
R: Read only
After the devices above turns ON, the error code is stored in the compatible devices below.
CH1 CH2
SD8500 SD8510
Precautions
Do not turn ON or OFF with program or engineering tool.
Serial communication error does not turn OFF even if the communication comes back to normal.
The devices turn OFF when power is turned OFF→ON, reset or SM50 (Error Detection Reset Completion) is turned ON.
4 MC PROTOCOL
88
4.9 Related Devices
Name
CH3 CH4
SM8520 SM8530 Serial communication error
SM8760 SM8770 Station number setting latch
setting valid flag
Name
CH3 CH4
SD8520 SD8530 Serial communication error
code
SD8522 SD8532 Serial communication settings
SD8760 SD8770 Station number settings
SD8761 SD8771 Message system
SD8762 SD8772 Time-out time setting
SD8523 SD8533 Serial communication
operation mode
CH3
SM8520
CH3
SD8520
Description
Turns ON when an error occurs in serial communication.
Turns ON when the SD latch setting of station number setting is
valid.
ON: SD latch setting of station number setting is valid
OFF: SD latch setting of station number setting is invalid
Description
Stores the error code when a serial communication error
occurs.
Stores the setting of the communication parameter.
*1
Sets the station number of a PLC.
Stores the setting of the message system.
These devices set the evaluation time for error when receiving
of data from the counterpart equipment is interrupted.
Stores the communication type being used.
CH4 Description
SM8530 Turns ON when an error occurs in serial
communication.
Devices do not go OFF even when normal
communication is restored.
CH4 Name
SD8530 Serial communication error
code
R/W
R
Description
When a serial communication error occurs,
the error code is stored.
R/W
R
R
R/W
R
R
*2
R
R
R