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PM3000A USER MANUAL
:IEC
SET UP IEC555 HARMONICS
Class
Return type
Format
device command
none
:IEC:DIS
:IEC:FIX:CH1
FLU:CH2
FLI:CH3
FLM
:DIS
disable IEC555 mode
:FLM flicker meter
:FIX
fixed harmonic mode
:FLU fluctuating harmonic mode
:FLI
changing voltage
none
Setting up Fluctuating Harmonic Mode
CMD> output 10; :IEC:FLU:CH1
Options
Return format
Examples
IEEE COMMUNICATION
Returning Data to Fixed Harmonic Mode
e.g.;
output 10; :IEC:FIX:CH1 - Set up Fixed Harmonics.
output 10; :BSE 4
- Enable AVF Bit in Background Status Enable
Register.
output 10; :*TRG
- Trigger background analysis.
Spoll until Bit 2 goes high
Spoll 10 ...
Spoll 10 ...
Output 10; :BRD:CH1?
Receive data until ‘END’.
Data Return Format - 46 NR3’s
WATT, AMP, PF, ATHD (series formula)
Aharm0... Aharm40
:IEC?
FETCH IEC555 HARMONIC DATA
Class
Return type
device command
multiple NR3 or NR1 numeric response data separated by commas,
terminated by string response data, ‘END’
:IEC:FLU?
FLI
FLM
IFS
:FLU - Fluctuating harmonic mode
:FLI - Changing voltage
:FLM - Flickermeter
:IFS - Instantaneous flicker sensation
:FLU 86 NR3's:
Frequency, Run time, Status, Watts, Voltech reserved value, Voltech reserved value,
Ahrm 1, ...Ahrm40, Vhrm1, ...Vhrm40
:FLI 40 NR1's
bin1, bin2, .......bin40
:FLM 1028 NR3’s
Frequency, DC, DMAX, DT, bin1...bin1024
Format
Options
Return format
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