Sorensen MML Series Operation and Programming Manual
5-12
Syntax: *SAV
<NRf>
Parameters: 1
to
100
Example: *SAV
50
*SRE Service Request Enable Command/Query
Type: Device
Status
Description:
This command sets the condition of the Service Request Enable
register, which determines which events of the Status Byte
register (see *STB) are allowed to set the MSS (Master Status
Summary) bit. A "1" in the bit position enable bits are logically
ORed to cause Bit 6 (the Master Summary Status Bit) of the
Status Byte register to be set. See details concerning the
Status
Byte register in Chapter 4.
Status Reporting
.
Syntax: *SRE
<NRf>
Parameters: 0
to
255
Example:
*SRE 20
Enables the CSUM and MAV bit of the
Service Request Enable.
Query Syntax:
*SRE?
Return Parameters: <NR1>
Query Example:
*SRE?
Returns current setting for "Service
Request Enable".
*STB? Read Status Byte Query
Type: Device
Status
Description:
This query reads the Status Byte register. Note that the MSS
(Master Summary Status) bit instead of RQS bit is returned in Bit
6. This bit indicates if the electronic load has at least one reason
for requesting service. *STB? does not clear the Status Byte
register, which is cleared only when subsequent action has
cleared all its set bits. Refer to Chapter 4,
Status Reporting
for
more information about this register.
Status Byte Register
Bit
Position 7 6 5 4 3 2 1 0
Condition
0 MSS ESB MAV QUES CSUM 0
0
Bit
Weight 128 64 32 16 8
4 2 1
Query Syntax:
*STB?
Return Parameters: <NR1>
Query Example:
*STB?
Returns the contents of "Status Byte."
Return Example:
20
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