Chroma 6404 - Page 45

Remote Operation
6-9
Parameters: 0 | 1 | OFF | ON
*RST Value: OFF
Example: VOLT:RANG:AUTO ON enables the AUTO output voltage range mode.
Query Syntax: [SOURce:]VOLTage:RANGe:AUTO?
Return Parameters: 0 | 1
Query Example: VOLT:RANG:AUTO? returns the condition of AUTO range mode.
STATus:PRESet
Description: This command sets the PTR, NTR and Enable registers of Questionable and
Operation status as follow: all defined bits of PTR register to 1, all bits of NTR
and Enable register to 0.
Syntax: STATus:PRESet
Parameters: None
Example: STAT:PRES preset the PTR, NTR and Enable registers of Questionable status.
STATus:OPERation?
Description: This query returns the content of the Operation Event register. The Operation
Event register is cleared when read or by the common command *CLS.
Query Syntax: STATus:OPERation[:EVENt]?
Parameters: None
Return Parameters: <NR1>
STATus:OPERation:CONDition?
Description: Returns the content of Operation Condition register. The Condition register
reflects the TRUE or FALSE state of Operation status.
Query Syntax: STATus:OPERation:CONDition?
Parameters: None
Return Parameters: <NR1>
STATus:OPERation:ENABle
Description: This command sets the enable mask, which allows true conditions in the
Operation Event register to be reported in the Operation summary bit (OPER)
of the Status Byte register.
Syntax: STATus:OPERation:ENABle <NRf>
Parameters: 0 to 32727
Query Syntax: STATus:OPERation:ENABle?
Return Parameters: <NR1>
Bit configuration of Questionable status register
Bit Position
15-12
11
10
9
8
7-4
3
2
1
0
Condition
---
Ipk
OPP
FAN
OCP
---
OTP
---
SHT
UVP
Bit Weight
2048
1024
512
256
4
2
1
Remark: Ipk : Peak current limit protection OCP : Over current protection
OPP : Over power protection OTP : Over temperature protection
FAN : Fan failure SHT : Short circuit protection
UVP : Under voltage protection
STATus:QUEStionable?
Description: This query returns the content of the Questionable Event register. The Event
register latches events that are passed by Questionable PTR and/or NTR filter.
It is cleared when read or by the common command *CLS.
Query Syntax: STATus:QUEStionable[:EVENt]?
Parameters: None