C300 Transmission protocol for C300 firmware 5.x.x
C300B transmission protocol 2017-06-12.doc
11/22
Function
Scaling amplitude of waveform with interharmonics
Command
INTERHARMSF_<S1><S2><S3>[CR][LF]
Description
Scaling amplitude of waveform with interharmonics. Allowed range of scaling factor is 0..1.
!!! Command used in firmware 4.0.0 or newer !!!
Parameter(s)
<S1><S2><S3>
Scaling factors of waveform amplitudes
Ax
100
100
Sx
; where Ax - value of amplitude of interharmonics
Example(s)
INTERHARMSF_0.5,0.9,0.4[CR][LF]
(0.5, 0.9, 0.4)
Example answer
OK[CR][LF]
Function
Enable/Disable interharmonics in voltage channels
Command
INTERHARM_<UH1><UH2><UH3>[CR][LF]
INTERHARMU_<UH1><UH2><UH3>[CR][LF]
Description
Enable/Disable interharmonics in voltage channels.
!!! Command used in firmware 4.0.0 or newer !!!
!!! INTERHARMU_ command available only if current interharmonics are present !!!
Parameter(s)
<UH1><UH2><UH3> = 1
Interharmonic enabled
<UH1><UH2><UH3> = 0
Interharmonic disabled
Example(s)
INTERHARMU_1,0,1[CR][LF]
(ON, OFF, ON)
Example answer
OK[CR][LF]
Function
Enable/Disable interharmonics in current channels
Command
INTERHARMI_<IH1><IH2><IH3>[CR][LF]
Description
Enable/Disable interharmonics in current channels.
Available only if current interharmonics are present
Parameter(s)
<IH1><IH2><IH3>
1
– Interharmonic enabled, 0 - disabled
Example(s)
INTERHARMI_1,0,1[CR][LF]
(ON, OFF, ON)
Example answer
OK[CR][LF]
4.3. Electricity meter testing
Function
Set S0 inputs settings
Command
WRMETS0_<INPUT>,<REGISTER>,<VALUE>[CR][LF]
Description
Set S0 inputs settings
Parameter(s)
<INPUT> = 0
select first S0 input,
<INPUT> = 1
select second S0 input,
<REGISTER> = 0
MET_S0_MODE (set mode of S0 input):
<VALUE> = 0
S0 OFF,
<VALUE> = 1
measuring time,
<VALUE> = 2
number of measuring impulses,
<REGISTER> = 1
MET_S0_RESERVED
– not used
<REGISTER> = 2
MET_S0_SETTING (set measuring time in seconds or number of
measuring impulses):
<VALUE>
natural number from 1 to 2^32,
<REGISTER> = 3
MET_S0_PROGRESS (should not to be set):
<REGISTER> = 4
MET_S0_FREQUENCY (should not to be set):
Example(s)
WRMETS0_1,2,10[CR][LF]
(set MET_S0_SETTING in second S0 input to 10s or 10 impulses)
WRMETS0_1,0,1[CR][LF]
(set measuring time mode second S0 input)
Example answer
OK[CR][LF]