B&K Precision 9171-9174 - Manual - Manual (Page 143)

131
STATUS?
Description: Queries the instrument status
Syntax: STATUS?
Example: STATUS?
Return String: 000000
No OVP, OCP, OTP, and other failure or flagged status.
Outputs are off, LCD backlight always ON, and output
mode set to MULTI.
Format:
Refer to the table and description below for details
on the returned data.
When STATUS?command is used, the power supply will return an
ASCII string of 6 alphanumeric characters, which is a representation
of 3-bytes data encoded in hex. The binary representation of each
byte indicates different statuses of the power supply. See the table
below:
Byte
#
Bits Description Bit Value Description
2 0-7 System Reserved -
1
7
6
5
4
3
2
1
0
Channel 1 OVP flag status
Channel 2 OVP flag status
Channel 1 OCP flag status
Channel 2 OCP flag status
Fan failure flag status
AC range error flag status
OTP flag status
NTC flag status
1 is flag, 0 is no flag
1 is flag, 0 is no flag
1 is flag, 0 is no flag
1 is flag, 0 is no flag
1 is flag, 0 is no flag
1 is flag, 0 is no flag
1 is flag, 0 is no flag
1 is flag, 0 is no flag
0
7
6
5
4
3
2
1
0
Channel 1 OVP On/Off status
Channel 2 OVP On/Off status
Channel 1 OCP On/Off status
Channel 2 OCP On/Off status
Channel 1 output On/Off status
Channel 2 output On/Off status
LCD backlight On/Off Status
Output mode Single/Multi status
1 is ON, 0 is OFF
1 is ON, 0 is OFF
1 is ON, 0 is OFF
1 is ON, 0 is OFF
1 is ON, 0 is OFF
1 is ON, 0 is OFF
0 – Always ON, 1 – Timed
0 – MULTI, 1 – SINGLE