No.
Name
SM8810
MODBUS RTU communication (ch2)
SM8811
Retry (ch2)
SM8812
Timeout (ch2)
SM8820
MODBUS RTU communication (ch3)
SM8821
Retry (ch3)
SM8822
Timeout (ch3)
SM8830
MODBUS RTU communication (ch4)
SM8831
Retry (ch4)
SM8832
Timeout (ch4)
SM8861
Host station No. setting SD latch enabled (ch1)
SM8871
Host station No. setting SD latch enabled (ch2)
SM8881
Host station No. setting SD latch enabled (ch3)
SM8891
Host station No. setting SD latch enabled (ch4)
SM8920
Inverter communication (ch1)
SM8921
IVBWR instruction error (ch1)
SM8930
Inverter communication (ch2)
SM8931
IVBWR instruction error (ch2)
SM8940
Inverter communication (ch3)
SM8941
IVBWR instruction error (ch3)
SM8950
Inverter communication (ch4)
SM8951
IVBWR instruction error (ch4)
SM9040
Data communication error (Master station)
SM9041
Data communication error (Slave station No.1)
SM9042
Data communication error (Slave station No.2)
SM9043
Data communication error (Slave station No.3)
SM9044
Data communication error (Slave station No.4)
SM9045
Data communication error (Slave station No.5)
SM9046
Data communication error (Slave station No.6)
SM9047
Data communication error (Slave station No.7)
SM9056
Data communication in execution
APPX
346
Appendix 1 Special Relay List
Description
OFF: Communication stop
ON: Communication
OFF: No retry
ON: Retry
OFF: Not timeout
ON: Timeout
OFF: Communication stop
ON: Communication
OFF: No retry
ON: Retry
OFF: No timeout
ON: Timeout
OFF: Communication stop
ON: Communication
OFF: No retry
ON: Retry
OFF: No timeout
ON: Timeout
OFF: Latch disabled
ON: Latch enabled
OFF: Latch disabled
ON: Latch enabled
OFF: Latch disabled
ON: Latch enabled
OFF: Latch disabled
ON: Latch enabled
OFF: No communication
ON: Communication
OFF: No error
ON: Error
OFF: No communication
ON: Communication
OFF: No error
ON: Error
OFF: No communication
ON: Communication
OFF: No error
ON: Error
OFF: No communication
ON: Communication
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: No error
ON: Error
OFF: Data communication in execution
ON: Data communication in nonexecution
R/W
R
R
R
R
R
R
R
R
R
*1
*1
*1
*1
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R