Mitsubishi Electric MELSEC iQ-R Series - Page 675

APPX
Appendix 5 List of Special Register Areas
673
A
SD81 to
SD111
Detailed
information 1
Detailed information 1 ■SD82: Time (value set) (ms)
■SD83: Time (value set) (s)
■SD84: Time (actual measurement value) (ms)
■SD85: Time (actual measurement value) (s)
(24) Failure information
Failure information is system information.
(27) System switching information
■SD81: With or without specification
b0: System switching cause
b1: System switching instruction ID number
b2: Cause of system switching failure
b3: Control system/standby system transition
■SD82: System switching cause
1: Power-off, reset, hardware failure
2: Stop error
3: System switching request from a network module
16: System switching request by using the SP.CONTSW instruction
17: System switching request using an engineering tool
■SD83: System switching instruction ID number
■SD84: Cause of system switching failure
1: Tracking communications disabled
2: Tracking communication timeout
3: Stop error of the standby system
4: Operating status mismatch between both systems
5: Memory copy being executed
6: Online change being executed
7: A failure of a network module detected on the standby system
8: System switching being executed
9: A redundant function module being changed online
10: System switching disabled on the standby system by using the
DCONTSW instruction
11: Online module change being executed on a main base unit in a
redundant system with redundant extension base unit
■SD85: Control system/standby system transition
1: Control system  Standby system
2: Standby system  Control system
(37) Data type (tracking transfer) information
■SD81: With or without specification
b0: Data type
■SD82: Data type
b0: Device data
b1: Label data
b2: Signal flow
b3: PID control instruction information
b4: SFC information (including step relay (S))
b5: System switching request
b6: Operation mode change request
b15: System data
0 is stored when each data is not sent, and 1 is stored when each
data is being sent in each bit.
S (Error)
No. Name Data stored Details Set by
(setting
timing)
b1b2
b0
b3
b0
b15 b1b2b3b4b5b6
b0
b7b8b9