Specifications

SYST:CHAN
This command sets the current active channel.
Command Syntax
Parameters
Example
Query Syntax
Returned Parameters
SYST:CHAN <channel>
Channel number: 1 – 31
SYST:CHAN 2 (sets channel 2 as current active channel)
SYST:CHAN?
<NR1>: Representing current active channel.
SYST:STATUS?
This query reads the value from status register.
Query Syntax
Parameters
Returned parameters
SYST:STATUS? <channel>
Channel numbers: 1 – 31
Decimal value representing status register
Bit configurations for status register table:
Bit Position
7 6 5 4 3 2 1 0
Bit Weight
128 64 32 16 8 4 2 1
Definition
CC/CV NU NU OC Set OV Set OUT OV OC
OC: Over-current protection circuit has tripped; OV = Over-voltage protection circuit has tripped; OUT:
Output is set to ON; OV Set: OVP is set to ON; OC Set: OCP is set to ON; NU: not used; CC/CV: 0 means PD
unit is in CC mode, 1 means PD unit is in CV mode.
TRAC
This command sets the synchronous behavior for each channel.
Command Syntax
Parameters
Example
Query Syntax
Returned Parameters
TRACk <Master channel> <Slave channel>
Master channel number: 0 –31 (if this parameter is 0, this command
affects all channels connected to one controller).
Slave Channel number: 0 –31 (except the master channel number. If
this parameter is 0, this command affects all channels connected to
one controller).
TRAC 1 2; TRACK 1 3 – Sets three channels (1, 2, 3) in a tracking
group.
TRAC? <CHAN>
<CRD> -- represents track state.
MTR: Master channel
TR: Slave channel
NONE: Not in track group
TRAC:CLE
This command clears all channels inside the track group.
Command Syntax
Parameters
Example
Query Syntax
TRAC:CLE <Master channel>
Master channel: channel number, 1 – 31
TRAC:CLE 1
TRAC:CLE <Master channel>
6-39