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4. Format Commands
4.1 Data Output Format
When writing commands, the “Symbol” in below table must be expressed in the way of ASCII code.
Character
Sequence
Application
Symbol
Description
1
Initial word
recognition
{
No special meaning
2
Indication for
main/secondary
parameters.
0, 1, 2, 3, 4
Main parameter
Secondary parameter
0
L: Inductance
Q: Quality factor
1
C: Capacitance
D: Dissipation
2
R: Resistance
Q: Quality factor
3
R: Resistance
D: Dissipation
4
Other
3
Frequency
0, 1, 2, 3, 4, 5 0: 10kHz
1: 1kHz
2: 120Hz
3: 100Hz
4: 60Hz
5: 50Hz
4
Level
0, 1, 2
0: 1V
1: 0.3V
2: 0.1V
5
Display mode
0, 1, 2
0: % deviation
1: Direct reading
2: ABS deviation
6
Range
0, 1
0: HOLD
1: AUTO
7
Speed
0, 1, 2
0: FAST
1: SLOW
2: MEDIUM
8
Clear
0, 1, 2, 3
0: Short circuit clear
1: Open circuit clear
2: All clear
3: Not clear
9
Beeper
0, 1
0: ON
1: OFF
10
Operation mode
0, 1
0: Continuous
1: Single
11
Equivalent form
0, 1
0: Series
1: Parallel
12
Serial port
0, 1
0: OFF
1: ON
13
Comparator mode
0, 1, 2
0: OFF
1: ON
0: Comparator P
1: Comparator P3
2: Comparator OFF
14
Internal resistance
0, 1
0: 30
Ω
1: 100
Ω
15~20
Main parameter
0~
9, “.”, “-”
From high to low
21~26
Secondary parameter 0~
9, “.”, “-”
From high to low
27
Unit of main
parameter, or %
0, 1, 2, %
L
C
R/Z
0
uH
pF
Ω
1
mH
nF
k
Ω
2
H
uF
M
Ω
%
Percentage deviation
28
Comparator output
0, 1, 2, 3, 4, 5
Comparator
P3
Comparator
P1
0
NG
NG
D/QNG: bad
secondary
parameter
1
Grade 1
Grade 1 of P1
PASS
2
Grade 2
Grade 1 of P2
HI: Exceeding
HIGH limit
3
Grade 3
Grade 1 of P3
LO: Exceeding
LOW limit
4
AUX fail
D/QNG&HI
5
No comparator
D/QNG&LO
29
The current range
0, 1, 2, 3, 4, 5 0: 100k
Ω
1: 10k
Ω
2: 1k
Ω
3: 100
Ω
4: 31.6
Ω
5: 10
Ω
30
Stop bit
}
No special meaning