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CW121
YOKOGAWA CW121 Manuals
Manuals and User Guides for YOKOGAWA CW121. We have
2
YOKOGAWA CW121 manuals available for free PDF download: User Manual, Communication Function Manual
YOKOGAWA CW121 User Manual (205 pages)
CLAMP-ON POWER METERS
Brand:
YOKOGAWA
| Category:
Measuring Instruments
| Size: 2 MB
Table of Contents
Introduction
3
Checking Items in the Package
4
Precautions for Safe Use of the Instrument
7
Table of Contents
9
Chapter 1. Product Overview
13
Product Overview
13
Chapter 2. Components and Indications
17
Front Panel and Connector Block
17
Connecting Input Signals
19
Operation Keys and Display
21
Overrange and Other Marks Shown During Measurement
22
Chapter 3. Precautions for Safe Measurement
27
Handling Precautions
27
Installation Procedure
29
Maintaining High Precision of Measurement
31
Chapter 4. Connecting Power Supply and Turning Power On/Off
33
When Using AC Power Supply
33
When Supplying Power from Voltage Input
35
Startup Screens
36
Basic Operation Flow
38
Chapter 5. Wiring
39
Precautions for Wiring the Circuit under Test
39
Diagrams of Basic Wiring
40
Wiring the Circuit under Test with External VT/CT
42
Indication and Change of Wiring Method
43
Wiring Check Function
44
Chapter 6. Setting Ranges and Wiring Method
49
Ranges and Display Digits
49
Changing Voltage Range Setting
54
Changing Current Range Setting
55
Changing Wiring Method Setting
58
Chapter 7. Making Settings
61
Setting Items and Item Selection
61
Setting each Item
64
Setting Name of Measured-Data File
92
Chapter 8. Instantaneous Value Measurement
93
Measuring Instantaneous Values
93
Switching Display Contents
94
Saving Data
96
Frequency Measurement
99
Sampling Cycle and Integration Cycle
100
Chapter 9. Electric Energy Measurement
101
Measuring Electric Energy
101
Starting and Stopping Integration
103
Switching Display Contents
110
Saving Data
112
Backup Memory
115
External Control Input/Output
118
Meter Actions Upon Power Failure and Recovery
121
Chapter 10. PC Card
123
PC Card Specifications
123
Inserting and Removing PC Card
124
Storage Capacity
125
Formatting PC Card
126
Saving and Loading From/To PC Card
127
Interface with Personal Computer
129
Chapter 11 Communication Functions
131
Rs-232
131
Rs-485
136
Data Format
139
Chapter 12. Auxiliary Functions
141
Convenient Functions
141
Using Optional Printer
143
Chapter 13. Troubleshooting
147
Corrective Measures in Case of Failure
147
Error Codes
148
Chapter 14. Specifications
149
Specifications of CW120/121
149
Specifications of Clamp-On Current Probes
156
Appendix
161
Appendix 1. Circuit Block Diagram
161
Commands
164
Messages
164
Appendix 2. Communication Commands
165
Commands
166
Response
167
Responses
167
Data
168
Messages on RS-485
170
Communication Commands
174
Output Queue and Error Queue
174
Detailed Description of Communication Commands
174
Communicate Group
174
System Group
175
Integrate Group
177
Measure Group
179
Status Group
179
Memory Group
180
CARD Group
180
Common Group
181
Error Messages
182
Command Effectiveness Tables
186
Appendix 3. File Structures and Data Items Printed
191
Overview
192
Measured Data
193
File Format
193
File Identifier
193
File Type
193
Measurement Mode
193
Data Field Titles and Data Formats
194
Records of Power Failure/Restoration Information
194
Print Format
195
Print Item Titles and Data Formats
195
Settings
196
File Format
196
Output Format and Data Values
197
Print Format
199
Automatic File Naming
200
Index
201
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YOKOGAWA CW121 Communication Function Manual (63 pages)
CLAMP-ON POWER METERS
Brand:
YOKOGAWA
| Category:
Measuring Instruments
| Size: 22 MB
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