Temporary Error Invalid Station Specification Function; I/O Status Of The Temporary Error Invalid Station Specification; Special Link Relay/Registers (Sb,Sw) Relating To The Temporary Error Invalid Station; Specification Function - Mitsubishi A1SJ61BT11 User Manual

15 FUNCTIONS (FUNCTION VERSION B OR LATER)

15.8 Temporary Error Invalid Station Specification Function

15.8.1 I/O status of the temporary error invalid station specification

15.8.2 Special link relays/registers (SB, SW) relating to the temporary error invalid station

specification function

Table 15.8 List of special link relays relating to the temporary error invalid station specification function
Number Name
SB0004 Temporary error invalid
(5E0 , b4) station request
H
SB0005 Temporary error invalid
(5E0 , b5) station canceling request
H
SB0048 Temporary error invalid
(5E4 , b8) station acceptance status
H
SB0049 Temporary error invalid
(5E4 , b9) station complete status
H
Temporary error invalid
SB004A
station canceling
(5E4 , b10)
H
acceptance status
Temporary error invalid
SB004B
station canceling complete
(5E4 , b11)
H
status
Replacement of modules can be performed online without detecting an error of the
corresponding remote station.
All of the cyclic transmission data of the station specified as a temporary error invalid
station will be refreshed.
When the station specified as a temporary error invalid station becomes faulty, input is
retained and output is turned off.
The special link relays and special link registers relating to the temporary error invalid
station specification function are explained.
They are stored in the buffer memory.
(1) Special link relays (SB)
The special link relays (SB) relating to the temporary error invalid station
specification function are as follows.
The figures in parentheses in the number column indicate buffer memory
address and bit location.
Example: When buffer memory address is 5E0
Confirms the station which had been specified by SW0003 to
SW0007 to temporary error invalid station.
OFF : No request
ON : Request
Cancels the station which had been specified by SW0003 to
SW0007 from temporary error invalid station.
OFF : No request
ON : Request
Indicates the acceptance status of the temporary error invalid
station request instruction.
OFF : Not executed
ON : Instruction accepted
Indicates the acceptance complete status of the temporary
error invalid station request instruction.
OFF : Not executed
ON : Temporary error invalid station confirmed
Indicates the acceptance status of the temporary error invalid
station canceling request instruction.
OFF : Not executed
ON : Instruction accepted
Indicates the acceptance complete status of the temporary
error invalid station canceling request instruction.
OFF : Not executed
ON : Temporary error invalid station canceling complete
Description
15 - 14
MELSEC-A
and bit is 0: (5E0 , b0)
H H
Availability
( : available, : not available)
Master station Local station