Mitsubishi Electric MELSEC iQ-R04ENCPU, User Manual

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APPX
Appendix 4 List of Link Special Relay (SB)
SB004E Master/submaster function
operation status of own station Stores the operation status of the own station when the submaster
function is being used.
Off: Master operating station
On: Submaster operating station
(Conditions)
This relay is enabled for either of the following.
• 'Station setting 1 of own station' (SB0044) is on.
• Both 'Station setting 1 of own station' (SB0044) and 'Station
setting 2 of own station' (SB0045) are off.
 
SB004F Station number status of the
operating station Stores the station number setting method when the station type of
the own station is local station.
Off: Set by parameters
On: Set by program
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
 
SB0050 Link startup request accept status
of own station Stores the acceptance status of 'Link startup of own station'
(SB0000).
Off: Not accepted (SB0000 is off.)
On: Accepted (SB0000 is on.)
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
 
SB0051 Link startup completion status of
own station Stores the status of link startup processing requested with 'Link
startup of own station' (SB0000).
Off: Link startup not completed (SB0000, SB0050 are off.)
On: Link startup completed (SB0000, SB0050 are on.)
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
 
SB0052 Link stop request accept status of
own station Stores the acceptance status of 'Link stop of own station' (SB0001).
Off: Not accepted (SB0001 is off.)
On: Accepted (SB0001 is on.)
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
 
SB0053 Link stop completion status of own
station Stores the link stop processing status requested with 'Link stop of
own station' (SB0001).
Off: Not completed (SB0001, SB0052 are off.)
On: Completed (SB0001, SB0052 are on.)
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
 
SB0054 System link startup request accept
status Stores the acceptance status of 'System link startup' (SB0002).
Off: Not accepted (SB0002 is off.)
On: Accepted (SB0002 is on.)
(Conditions)
• This relay is enabled when 'Baton pass status of own station'
(SB0047) is off.
• When 'Baton pass status of own station' (SB0047) is turned on,
data prior to error is held.
 (Master
operating station
only)

No. Name Description Availability
Master station
(submaster
station) Local station