Specifications

SYST:PROT?
This query can only be used after SRQ is properly set. It reads the Protect Event Status register, which
contains channel number where protection has occurred. A 1 in any Protect Event Status register bit
position indicates that the protected channel number is the bit position plus 1.
Query Syntax
Parameters
Returned Parameters
Examples
Related Commands
SYST:PROT?
PROT:CHAN?
(None)
Hexadecimal string (with &H) representing protect register value
“&H00000020” indicates protection occurred at channel 6
(None)
BIT CONFIGURATION OF PROTECT REGISTER IS SHOWN IN THE FOLLOWING TABLE:
Bit Position
7 6 5 4 3 2 1 0
Channel 8 7 6 5 4 3 2 1
Bit Weight(hex)
80 40 20 10 8 4 2 1
Bit Position
15 14 13 12 11 10 9 8
Channel 16 15 14 13 12 11 10 9
Bit Weight(hex)
8000 4000 2000 1000 800 400 200 100
Bit Position
23 22 21 20 19 18 17 16
Channel 24 23 22 21 20 19 18 17
Bit Weight(hex)
800000 400000 200000 100000 80000 40000 20000 10000
Bit Position
31 30 29 28 27 26 25 24
Channel 32 31 30 29 28 27 26 25
Bit Weight(hex)
80000000 40000000 20000000 10000000 8000000 4000000 2000000 1000000
SYST:VERS?
This query returns the power supply’s controller firmware version. The returned value is of the form
“FV:x.xx” where x.xx is the firmware revision number.
Query Syntax
Parameters
Returned Parameters
Example
Related Commands
SYSTem:VERSion?
(None)
<CRD>
SYST:VERS?
*IDN?
SYST:INH:STAT
This command sets and queries the Remote Inhibit (RI) Shutdown Mode
Command Syntax
Parameters
Example
Query syntax
Returned Parameters
Related Commands
SYST:INH:STAT <
NR1>
<NR1>: 0 – LATCH: Output off & protection mode latches system
1 – LIVE: Output auto-recovers once protection is cleared
2 – OFF: Remote Inhibit (RI) Shutdown function disabled
SYST:INH:STAT 1
SYST:INH:STAT?
<NR1>: Represents RI Shutdown mode
NONE
6-35