No.
Name
SD8415
RS2 receive sum (calculated result) (ch1)
SD8416
RS2 send sum (ch1)
SD8419
Operation mode (ch1)
SD8422
RS2 amount of remaining data (ch2)/MODBUS
communication error code (ch2)
SD8423
RS2 receive data points (ch2)/MODBUS communication
error details (ch2)
SD8425
RS2 receive sum (calculated result) (ch2)
SD8428
MODBUS communication retry times (ch2)
SD8434
RS2 receive sum (received data) (ch2)
SD8435
RS2 receive sum (calculated result) (ch2)
SD8436
RS2 send sum (ch2)
SD8438
Serial communication error code (ch2)
SD8439
Operation mode (ch2)
SD8492
IP address setting [Low-order]
SD8493
IP address setting [High-order]
SD8494
Subnet mask setting [Low-order]
SD8495
Subnet mask setting [High-order]
SD8496
Default gateway IP address setting [Low-order]
SD8497
Default gateway IP address setting [High-order]
SD8498
IP address storage area write error code
SD8499
IP address storage area clear error code
Serial communication
The special registers for serial communication are shown below.
R: Read only, R/W: Read/Write
No.
Name
SD8500
Serial communication error code (ch1)
SD8501
Serial communication error details (ch1)
SD8502
Serial communication setting (ch1)
SD8503
Serial communication operational mode (ch1)
SD8510
Serial communication error code (ch2)
SD8511
Serial communication error details (ch2)
SD8512
Serial communication setting (ch2)
SD8513
Serial communication operational mode (ch2)
SD8520
Serial communication error code (ch3)
SD8521
Serial communication error details (ch3)
SD8522
Serial communication setting (ch3)
SD8523
Serial communication operational mode (ch3)
SD8530
Serial communication error code (ch4)
SD8531
Serial communication error details (ch4)
SD8532
Serial communication setting (ch4)
SD8533
Serial communication operational mode (ch4)
SD8560
Remaining points of send data (ch1)
SD8561
Receive data points monitor (ch1)
SD8563
Receive sum (received data) (ch1)
SD8564
Receive sum (received result) (ch1)
SD8565
Send sum (ch1)
Description
This register stores the ch1 receive sum (calculated result) .
This register stores the send sum (ch1).
This register stores the operation mode (ch1).
This register stores the amount of remaining data (ch2)/MODBUS
communication error code (ch2).
This register stores the receive data points (ch2)/MODBUS
communication error details (ch2).
This register stores the receive sum (calculated result).
This register stores the MODBUS communication current retry
times (ch2).
This register stores the ch2 receive sum (received data).
This register stores the ch2 receive sum (calculated result).
This register stores the send sum (ch2).
This register stores the serial communication error code (ch2).
This register stores the operation mode (ch2).
This register stores the IP address.
This register stores the subnet mask.
This register stores the default gateway IP address.
This register stores error codes if writing to IP address storage
area is failed.
This register stores error codes if clear to IP address storage area
is failed.
Description
This register stores the serial communication error code 1 (ch1).
This register stores the serial communication error details 1 (ch1).
This register stores the serial communication setting (ch1).
This register stores the serial communication operational mode 1
(ch1).
This register stores the serial communication error code 2 (ch2).
This register stores the serial communication error details 2 (ch2).
This register stores the serial communication setting (ch2).
This register stores the serial communication operational mode 2
(ch2).
This register stores the serial communication error code 3 (ch3).
This register stores the serial communication error details 3 (ch3).
This register stores the serial communication setting (ch3).
This register stores the serial communication operational mode 3
(ch3).
This register stores the serial communication error code 4 (ch4).
This register stores the serial communication error details 4 (ch4).
This register stores the serial communication setting (ch4).
This register stores the serial communication operational mode 4
(ch4).
This register stores the remaining points of send data (ch1).
This register stores the receive data points monitor (ch1).
This register stores the receive sum (received data) (ch1).
This register stores the receive sum (received result) (ch1).
This register stores the send sum (ch1).
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R
R
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
APPENDIX
Appendix 2 Special Register List
A
307