JGR MBR5 User Manual page 53

Bit 6, as the service request bit, is set to 1 if a service request has been
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generated.
Bit 6 , a s t he m aster s ummary b it, i s s et w hen t here i s a t l east o ne r eason f or
the meter to request service from the controller. That is, the master
summary b it i s s et i f a ny s ummary b it i n t he s tatus b yte r egister i s s et a nd i f
the c orresponding b it i n t he s ervice r equest e nable r egister i s a lso s et.
Bit 7 ( operation s ummary b it) i s n ot u sed.
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Service R equest E nable R egister
The service request enable register determines which summary bits in the
status b yte r egister c an g enerate s ervice r equests. I f a s ummary b it i n t he s tatus
register is set to 1 and the corresponding bit in the service request enable
register is set to 1, a service request is generated by the meter. A new service
request i s n ot g enerated f or t his c ondition u nless t he b it i n t he s tatus r egister o r
the bit in the service request enable register is cleared and the condition
reoccurs.
Service R equest E nable R egister
Read w ith *SRE? c ommon q uery ( the v alue o f b it 6 i s a lways 0 )
Written t o w ith *SRE c ommon c ommand ( the v alue o f b it 6 i s a lways
zero, r egardless o f t he v alue s ent w ith t he c ommand)
Cleared b y *SRE c ommon c ommand w ith a p arameter v alue o f 0
Power-­‐on
Standard E vent S tatus R egister
Bit 7 Bit 6
user command
power o n
request
(PON)
(URQ) (CME)
R ead w ith * ESR? c ommon q uery
W ritten t o w ith C annot b e w ritten t o
C leared b y * ESR? c ommon q uery
* CLS c ommon c ommand
P ower-­‐on
Bit 0 (operation complete) is set in response to the *OPC common
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command. T his b it i s s et w hen a ll o perations a re c omplete.
Bit 1 ( request c ontrol) i s a lways s et t o 0 .
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MBR5 R ev 0 07
Standard E vent S tatus R egister
Bit 5 Bit 4 Bit 3
device
execution
dependent
error error
error
(EXE)
(DDE)
MBR5 User Manual
Bit 2 Bit 1 Bit 0
query request operation
error control complete
(QYE) (RQC) (OPC)
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