Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 43

Operation mode display
This device stores the operation mode of the serial communication being executed.
Only for FX5
CH1 CH2 CH3
SD8503 SD8513 SD8523
R: Read
Precautions
Do not change the device value using a program or an engineering tool.
The device is cleared when ADPRW instruction is executed.
Current retry value
This device stores the current retry value.
Only for FX5
CH1 CH2 CH3
SD8800 SD8810 SD8820
R: Read
Precautions
Do not change the device value using a program or an engineering tool.
The device is cleared when the power supply is turned from off to on, reset, set from STOP to RUN, SM50 (Error Detection
Reset Completion) is turned on, or next ADPRW instruction is executed.
Host station number
This device stores the host station number setting value.
Only for FX5
CH1 CH2
SD8861 SD8871
R: Read, R/W: Read/Write
*1 The devices vary depending on the Latch Setting. The device becomes R when the Latch setting is "Do not Latch", and R/W when the
Latch setting is "Latch".
Precautions
"Latch"
The device value can be changed by the program.
"Do Not latch"
Do not change the device value using a program or an engineering tool.
Change "Do Not Latch" to "Latch"
The setting value is reflected when the power supply is turned from off to on or reset, after parameter write from an
engineering tool.
For FX3 compatibility
CH4 CH1 CH2
SD8533 SD8419 SD8439
For FX3 compatibility
CH4 CH1 CH2
SD8830 SD8408 SD8428
CH3 CH4
SD8881 SD8891
Description
0: MELSOFT Connection or MC protocol
3: N:N Network Communication
5: Non-protocol Communication
6: Parallel Link Communication
7: Inverter Communication
9: MODBUS RTU Communication
12: Predefined protocol support
Other than above: Not used
Description
Stores the current value of retries executed by the slave
response timeout.
Description
Stores the parameters (host station number) set by a
program or an engineering tool.
For 0: Master station
For 1 to 247: Slave station (station number: 1 to 247)
R/W
R
R/W
R
R/W
*1
7 FUNCTION
41
7.3 Related Devices
7