Mitsubishi Electric FX5 User Manual page 44

Data transfer sequence ON
Turns ON the data send operation with the master station and also the other slave stations.
FX5 only
SM9056
R: Read only
Precautions
Do not turn ON with program or engineering tool.
Error code number of serial communication error
Stores the error code for the serial communication (Page 35).
FX5 only
CH1 CH2
SD8500 SD8510
R: Read only
Precautions
Do not change the value with program or engineering tool.
Serial communication errors are not cleared even after communication has recovered its normal status.
Cleared the devices when power is turned OFFON, STOPRUN, system is reset or SM50 (Error Detection Reset
Completion) is turned ON.
Serial communication settings
Stores the set communication parameter in the communication settings.
FX5 only
CH1 CH2
SD8502 SD8512
R: Read only
The description of the communication parameter is as follows.
Bit No.
b0
b1
b2
b3
b4
b5
b6
b7
b12
Precautions
Do not change the value with program or engineering tool.
2 N:N NETWORK
42
2.9 Related Devices
FX3 Series compatible
SM8191
FX3 Series
compatible
CH3 CH4 CH1
SD8520 SD8530 SD8063
FX3 Series
compatible
CH3 CH4 CH1
SD8522 SD8532 SD8405
Name
Data length
Parity bit
Stop bit
Baud rate
H/W type
Descriptions
ON: Data transfer sequence processing
OFF: Data transfer sequence is stopped
Descriptions
CH2
SD8438 Stores the error code when the serial communication
error occurs.
Descriptions
CH2
SD8425 Stores the setting of the communication parameter.
Descriptions
0 (bit = OFF)
7 bits
b2,b1
(1, 1): Even
1 bit
b7, b6, b5, b4
(1,0,1,0): 38400 bps
RS-485
R/W
R
R/W
R
R/W
R
1 (bit = ON)
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