Programmable AC/DC Electronic Load 63800 Series Operation & Programming Manual
8-6
Setting Parameter : none
Query Syntax
: *IDN?
Response Parameter: Chroma, 63804, 0, 1.00
*OPC
Set the OPC bit of the Standard Event Status register
Description: This command causes the interface to set the OPC bit
（
bit 0
）
of the Standard
Event register when the AC Load has completed all pending operations. The query causes
the interface to place an ASCII “1” in the output query when all pending operations are
complete.
Setting Syntax
: *OPC
Setting Parameter : none
Query Syntax
: *OPC?
Response Parameter: <NR1>
*RST
Reset command
Description
: This command performs device initial setting
Setting Syntax
: *RST
Setting Parameter : none
Query Syntax
: none
Response Parameter: none
*SRE <n>
Service request enabled register
Description
: This command sets the Service Request Enabled Register.
Setting Syntax
: *SRE
Setting Parameter : <NR1>, 0 ~ 255
Query Syntax
: *SRE?
Response Parameter: <NR1>, 0 ~ 255
*STB?
This query returns the Status Byte Register.
Description
: This Command queries the status byte register.
Bits configuration of Status Byte Register
Bit Position
7 6
5 4
3
2
1
0
Condition
- -
MSS ESB MAV QUES - -
- -
- -
ESB = event status byte summary
RQS = request for service
MSS = master status summary
MAV = message available
Setting Syntax
: none
Setting Parameter : none
Query Syntax
: *STB?
Response Parameter: <NR1>, 0 ~ 255
