Mitsubishi Electric MELSEC QS Series User Manual page 122

8
PROGRAMMING SPECIFICATIONS
Number Name
SB0074 Reserved station
(5E7 ,b4) specified status
H
Slave station refresh/
SB007C forced clear setting
(5E7 ,b12) status for PLC CPU
H
STOP
Other station data link
SB0080
(5E8 ,b0)
status
H *3
SB0081 Other station watchdog
(5E8 ,b1) timer error status
H
SB0082 Other station fuse blown
(5E8 ,b2) status
H
SB0083 Other station switch
(5E8 ,b3) change status
H
* 1 Safety remote net (Ver. 1 mode)
* 2 Off line, Hardware test or Line test.
* 3 It takes up to 6 seconds from when a slave station error is identified in the safety master station until the Other station data link
status (SB0080) turns ON.
The Time spent to turn it ON varies depending on the system configuration and faulty status.
8
- 19 8.3 Link Special Relays and Registers (SB/SW)
8.3.1 Link special relays (SB)
Table8.5 Link Special Relay List (3/3)
Description
Indicates the information on the reserved stations specified
by parameters.
OFF : No specification
Specification exists (Information stored in SW0074
ON :
to SW0077)
Indicates the specification of whether to refresh or forcibly
clear slave station data in the case of PLC CPU STOP.
OFF : Refresh
ON : Clears compulsorily
Indicates the status of communication with safety remote I/
O stations, standard remote I/O stations and remote device
stations. Reserved stations are excluded.
OFF : All stations normal
: Faulty station exists (Information stored in SW0080
ON
to SW0083)
Indicates occurrence of a watchdog timer error in other
stations. Reserved stations are excluded.
OFF : No error
ON : Error occurred
Indicates a fuse blown status at other stations. (Information
stored in SW0088 to SW008B) Reserved stations are
excluded.
OFF : No error
ON : Error occurred
Detects changes in setting switches of other stations during
data linking. Reserved stations are excluded.
OFF : No change
ON : Change detected
Availability
( ::Available, :Not available)
1
Online*
SAFETY TEST Offline*
MODE MODE
2