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IT-M7700
ITech IT-M7700 Programming Guide
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FETCh & ME
ASure Sub
sys
tem
Copyright©
Itech Ele
ctronic Co., Ltd.
79
Chapter 12
FETCh
&
M
EASure
Subsystem
FETCh[:SCALar]:VOLTage:AC?
This command reads
the Vrms value
.
Syntax
FETCh[:SCALar]
:VOLTage:AC?
Arguments
：
None
Returns
：
< NRf >
FETCh[:SCALar]:VOLTage:DC?
This command reads
the V
dc
value.
Syntax
FETCh[:SCALar]
:VOLTage:DC?
Arguments
：
None
Returns
：
< NRf >
FETCh[:SCALar]:CURRent:AC?
This command reads
the Irms value.
Syntax
FETCh[:SCALar]
:CURRent:AC?
Arguments
：
None
90
92
Table of Contents
default chapter
3
Limitation of Warranty
3
Safety Symbols
3
Warranty
3
Safety Precautions
4
Environmental Conditions
5
Regulatory Markings
5
Waste Electrical and Electronic Equiment (Weee) Directive
6
Compliance Information
7
Table of Contents
8
Chapter 1 Scpi Command Introduction
13
1.1 Overview
13
1.2 Command Type of SCPI
13
1.3 Message Typeof SCPI
16
1.4 Response Data Type
18
1.5 Command Format
19
1.6 Data Type
21
1.7 Communication Interface
23
Chapter 2 Status Register
24
2.1 Status Register Definition
24
2.2 Status Register Structure
25
Chapter 3 Status Subsystem
27
Status:questionable[:Event]
27
Status:questionable:condition
27
Status:questionable:enable
28
Status:questionable:ntransition
28
Status:questionable:ptransition
29
Status:operation[:Event]
30
Status:operation:condition
30
Status:operation:enable
31
Status:operation:ntransition
31
Status:operation:ptransition
32
Chapter 4 Ieee-488 Common Commands
33
Cls
33
Ese
33
Ese
34
Esr
34
Idn
35
Opc
35
Rst
36
Sre
36
Stb
37
Psc
37
Sav
38
Rcl
38
Chapter 5 System Subsystem
39
System:error
39
System:clear
39
System:remote
40
System:local
40
System:rwlock
41
System:beeper
41
System:pownon
42
System:communicate:select
42
System:communicate:serial[:Self]:Baudrate
43
System:communicate:gpib[:Self]:Address
43
System:communicate:can[:Self]:Address
44
System:communicate:can[:Self]:Baudrate
44
System:communicate:lan:ipconfig
45
System:communicate:lan:current:address
45
System:communicate:lan:current:smask
45
System:communicate:lan:current:dgateway
46
System:communicate:lan:current:dns1
46
System:communicate:lan:current:dns2
46
System:communicate:lan:address
47
System:communicate:lan:smask
47
System:communicate:lan:dgateway
47
System:communicate:lan:dns1
48
System:communicate:lan:dns2
48
System:communicate:lan:macaddress
49
System:communicate:lan:ping[:State]
49
System:communicate:lan:mdns[:State]
49
System:communicate:lan:http[:State]
50
System:communicate:lan:vxi11[:State]
50
System:communicate:lan:socket[:State]
51
System:communicate:lan:telnet[:State]
51
System:communication:lan:socket:port
51
System:communicate:lan:config:hostname
52
Syst Em :Comm Unicate :Lan:conf Ig :Desc Riptionname
52
System:communicate:lan:information:hostname
53
System:communicate:lan:information:description
53
System:communicate:lan:ipmode
53
System:communicate:lan:reset
54
Chapter 6 Source Subsystem
55
[Source:]Relay:mode
55
[Sour Ce :]Norm al :Volt Age :Ac[:Lev el ][:IMM Ediate ][:Ampl Itude ]
55
[Source:]Normal:voltage:DC[:Level][:Immediate]
56
[Source:]Normal:frequency[:Level][:Immediate]
56
[Source:]Normal:voltage:ac:max[:Level]
56
[Source:]Normal:voltage:ac:min[:Level]
57
[Source:]Normal:voltage:DC:max[:Level]
57
[Source:]Normal:voltage:DC:min[:Level]
58
[Source:]Normal:frequency:max[:Level]
58
[Source:]Normal:frequency:min[:Level]
58
[Source:]Normal:phase:start[:Level][:Immediate]
59
[Source:]Normal:phase:stop[:Level][:Immediate]
59
[Source:]Normal:mode
60
[Source:]Output[:State]
60
[Source:]Normal:vrisetime
60
Chapter 7 Source Subsystem(It-M7700)
62
[Source:]Normal:current:range
62
[Source:]Normal:voltage:range
62
[Source:]Normal:wave
63
[Source:]Normal:wave:thd
63
[Source:]Normal:wave:user
63
[Source:]Normal:wave:csine
64
[Source:]Normal:dimmer[:Phase]
64
[Source:]Normal:dimmer:mode
65
[Source:]Normal:surgetrap:mode
65
[Source:]Normal:surgetrap:period
65
[Source:]Normal:surgetrap:width
66
[Source:]Normal:surgetrap:percent
66
[Source:]Normal:offtimer:mode
67
[Source:]Normal:offtimer
67
Chapter 8 Protect Subsystem
68
Protect:rms:voltage
68
Protect:peak:voltage
68
Protect:rms:unvoltage
68
Protect:rms:current
69
Protect:peak:current
69
Protect:rms:current:time
70
Protect:rms:current:max[:Level]
70
Protect:rms:current:min[:Level]
70
Protect:clear
71
Protect:sense:check
71
Protect:power
72
Protect:max:current:limit
72
Chapter 9 List Subsystem(It-M7700)
73
List:trigger:mode
73
List:state
73
List:record:num
74
List:repeat
74
List:endstate
74
List:run:record
75
List:run:state
75
List:configure
75
List:recorder
76
List:reco Rder
78
List:save
78
List:recall
79
List:run
79
List:stop
79
Chapter 10 Selfdefine Subsystem(It-M7700)
81
Selfdefine:number
81
Selfdefine:name
81
Selfdefine:recall:name
82
Selfdefine:save
82
Selfdefine:data
82
Selfdefine:recall
83
Selfdefine:edit
83
Chapter 11 Multi-Channel Command(It-M7723)
84
Channel
84
Channel:link
84
Channel:error
85
Multi-Channel Program Flow
85
Chapter 12 Fetch & Measure Subsystem
91
Fetch[:Scalar]:Voltage:ac
91
Fetch[:Scalar]:Voltage:DC
91
Fetch[:Scalar]:Current:ac
91
Fetch[:Scalar]:Current:DC
92
Fetch[:Scalar]:Power[:Real]
92
Fetch[:Scalar]:Power:apparent
92
Fetch[:Scalar]:Power:pfactor
93
Fetch[:Scalar]:Frequency
93
Fetch[:Scalar]:Current:peak
93
Fetch[:Scalar]:Thd
94
Fetch[:Scalar]:Current:thd
94
Fetch[:Scalar]:Power:reactive
94
Measure[:Scalar]:Voltage:ac
95
Measure[:Scalar]:Voltage:DC
95
Measure[:Scalar]:Current:ac
95
Measure[:Scalar]:Current:DC
96
Measure[:Scalar]:Power[:Real]
96
Measure[:Scalar]:Power:apparent
96
Measure[:Scalar]:Power:pfactor
97
Measure[:Scalar]:Frequency
97
Measure[:Scalar]:Thd
97
Measure[:Scalar]:Current:thd
98
Measure[:Scalar]:Power:reactive
98
Measure
98
Fetch
99
Chapter 13 3-Phase/Series Commands
100
[Source:]Normal:link
100
[Source:]Normal:phase:degree
100
[Source:]Normal:voltage:ac[:Level][:Immediate][:Amplitude]
101
[Source:]Normal:frequency[:Level][:Immediate]
101
[Source:]Output[:State]
102
Protect:rms:voltage
102
Protect:peak:voltage
103
Protect:rms:unvoltage
103
Protect:rms:current
103
Protect:peak:current
104
Protect:rms:current:time
104
Protect:power
104
Protect:max:current:limit
105
[Source:]Normal:voltage:ac:max[:Level]
105
[Source:]Normal:voltage:ac:min[:Level]
106
Protect:rms:current:max[:Level]
106
Protect:rms:current:min[:Level]
106
[Source:]Normal:current:range
107
[Source:]Relay:mode
107
[Source:]Normal:offtimer:mode
108
[Source:]Normal:offtimer
108
Protect:clear
108
Fetch[:Scalar]:Voltage:ac
109
Fetch[:Scalar]:Current:ac
109
Fetch[:Scalar]:Power[:Real]
109
Fetch[:Scalar]:Power:apparent
110
Fetch[:Scalar]:Power:pfactor
110
Fetch[:Scalar]:Frequency
110
Fetch[:Scalar]:Current:peak
111
Fetch[:Scalar]:Voltage:peak
111
Fetch[:Scalar]:Current:peak:plus
111
Fetch[:Scalar]:Current:peak:minus
112
Fetch[:Scalar]:Thd
112
Fetch[:Scalar]:Current:thd
112
Fetch[:Scalar]:Power:reactive
113
Measure[:Scalar]:Voltage:ac
113
Measure[:Scalar]:Current:ac
113
Measure[:Scalar]:Power[:Real]
114
Measure[:Scalar]:Power:apparent
114
Measure[:Scalar]:Power:pfactor
114
Measure[:Scalar]:Frequency
115
Measure[:Scalar]:Current:peak
115
Measure[:Scalar]:Voltage:peak
115
Measure[:Scalar]:Current:peak:plus
116
Measure[:Scalar]:Current:peak:minus
116
Measure[:Scalar]:Thd
116
Measure[:Scalar]:Curr:thd
117
Measure[:Scalar]:Power:reactive
117
Measure
117
Fetch
118
Chapter 14 Programming Examples
119
Example 1: Identifying the Power Supply in Use
119
Example 2: Applying DC Output
119
Example 3: Applying Waveform Output
120
Example 4: Self-Defined Waveform
120
Example 5: Dimmer Function
121
Example 6: Surge/Trap Function
122
Example 7: List Function
122
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ITech IT-M7700 Specifications
General
Brand
ITech
Model
IT-M7700
Category
Portable Generator
Language
English
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