Wayne 4310 - Service Request Enable Register; Figure 5-5 Status Byte Register

REMOTE CONTROL (GPIB & RS-232) 5–7
BIT Meaning True = ‘1’
7 Operation Status Event Register summary bit. This bit is true when
measurement or trimming etc., is in progress
6 RQS – ReQuest for Service. When the bit in the Service Request
Enable mask is set with the corresponding bit in the status register
true, this will trigger a service request to the controller.
MSS – Master Summary Status bit. The version of the request for
service bit which appears in the Status Byte.
5 ESB – Event Summary Bit. When unmasked by the ESE register, this
bit will be set whenever the corresponding bit or bits are set in the
Event Status Register.
4 MAV – Message available. The output queue has data to be read.
3 A summary bit from Questionable Data. This bit is not used, so is
always 0.
2 This is a summary bit of error and instrument status messages. True if
any new status information is available.
1 Always 0.
0 Always 0.
Service
Request
Generation
Logical OR
Service Request
Enable Registert
*SRE <NR1> *SRE
read by *STB?
Status Bit Register
read by Serial Poll
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Figure 5-5 Status Byte Register
5.2.6.2 Service Request Enable Register
The service request enable register (SRE) is a mask determining the conditions in which the
SBR will generate a service request. It is bit-wise ANDed with the SBR and if the result is not