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PMC-340
CET PMC-340 User Manual
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CET Inc.
14
2.
5 Wiring Connections
The
PMC-
340
supports
100A
Direct
I
nput
or
5A
CT
Input
.
Please
r
ead
this
section
car
efu
lly
before
inst
allation and choose the correct
wiring method for
your power syst
em.
2.
5.1 Direct Input Wiring
1P3W
3P3W
3P4W
1P2W L-L*
1P2W L-N*
* The wiring modes 1P2W L
-N and 1P2W L-L are not
supported by PMC-340A.
Figure 2
-5
Direct
Input connections
2.
5.2 CT Input Wiring
1P3W with 2CT
s
3P3W with 3CT
s
3P3W with 2CT
s
13
15
Table of Contents
Default Chapter
5
Table of Contents
5
Chapter 1 Introduction
8
Overview
8
Features
8
PMC-340'S Application in Power and Energy Management Systems
10
Getting more Information
11
Chapter 2 Installation
12
Appearance
12
Unit Dimensions
12
Terminal Dimensions
13
Mounting
13
Wiring Connections
14
Direct Input Wiring
14
CT Input Wiring
14
RS-485 Wiring
15
Digital Input Wiring
15
Pulse Output Wiring
15
Chapter 3 Front Panel
16
LED Indicator
16
Buttons
16
LCD Display
17
LCD Testing
17
Default Display
17
Setup Configuration
18
Functions of Buttons
18
Setup Menu
20
Configuration
20
Chapter 4 Applications
23
Inputs and Outputs
23
Digital Inputs (PMC-340B Only)
23
Energy Pulse Output
23
Power and Energy
24
Basic Measurements
24
Energy Measurements
24
Demand Measurements
24
Power Quality
25
Phase Angles
25
Power Quality Parameters
25
Unbalance
26
Logging
27
Max./Min. Log
27
Monthly Energy Log
27
Peak Demand Log
28
SOE Log (PMC-340B Only)
28
Data Recorder Log (PMC-340B Only)
28
Time of Use (TOU)
29
Chapter 5 Modbus Register Map
31
Basic Measurements
31
Energy Measurements
33
3-Phase Energy Measurements
33
Phase a (L1) Energy Measurements
34
Phase B (L2) Energy Measurements
34
Phase C (L3) Energy Measurements
35
DI Pulse Counter (PMC-340B Only)
35
Harmonic Measurements
35
Power Quality Measurements
35
Current Harmonic Measurements
36
Voltage Harmonic Measurements
36
Demands
36
Present Demands
36
Peak Demand Log of this Month (Since Last Reset)
37
Peak Demand Log of Last Month (before Last Reset)
37
Max./Min. Log
38
Max. Log of this Month (Since Last Reset)
38
Min. Log of this Month (Since Last Reset)
38
Max. Log of Last Month (before Last Reset)
39
Min. Log of Last Month (before Last Reset)
40
Max./Min. Log Structure
41
Monthly Energy Log
41
SOE Log (PMC-340B Only)
42
Data Recorder Log (PMC-340B Only)
43
Device Setup
44
Basic Setup Parameters
44
I/O Setup
45
Communication Setup Parameters
45
Data Recorder Setup (PMC-340B Only)
46
TOU Setup
46
Basic
46
Season
47
Daily Profile
48
Alternate Days
49
Time
50
Clear/Reset Control
51
Meter Information
52
Appendix A Data Recorder Parameter List
53
Appendix B Technical Specifications
55
Appendix C Standards of Compliance
56
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CET PMC-340 Specifications
General
Brand
CET
Model
PMC-340
Category
Measuring Instruments
Language
English
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