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DP harp EJX Series
YOKOGAWA DP harp EJX Series - User Manual
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User
’
s
Manual
Dierential
Pressure
and
Pressure
T
ransmitters
EJ
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EJ
120
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EJ
130
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EJ
310
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IM 01C25B01-01E
IM 01C25B01-01E
21st Edition
2
Table of Contents
Main Page
Default Chapter
2
Table of Contents
2
1 Introduction
5
Regarding this Manual
6
Trademarks
6
Safe Use of this Product
7
Warranty
9
2 Handling Cautions
10
Model and Specifications Check
10
Unpacking
10
Storage
10
Selecting the Installation Location
11
Pressure Connection
11
Waterproofing of Cable Conduit Connections
11
Restrictions on Use of Radio Transceivers
11
Insulation Resistance and Dielectric Strength Test
12
Installation of an Explosion-Protected Instrument
12
FM Approval
13
CSA Certification
15
ATEX Certification
17
Iecex Certification
22
EMC Conformity Standards
24
Pressure Equipment Directive (PED)
24
EU Rohs Directive
25
Safety Requirement Standards
25
3 Component Names
26
4 Installation
27
Precautions
27
Mounting
27
Changing the Process Connection
28
Swapping the High/Low-Pressure Side Connection
29
Rotating Pressure-Detector Section 180
29
Using the Communicator
29
Rotating Transmitter Section
30
Changing the Direction of Integral Indicator
30
5 Installing Impulse Piping
31
Impulse Piping Installation Precautions
31
Connecting Impulse Piping to a Transmitter
31
Routing the Impulse Piping
33
Impulse Piping Connection Examples
34
6 Wiring
35
Wiring Precautions
35
Selecting the Wiring Materials
35
Connections of External Wiring to Terminal Box
35
Power Supply Wiring Connection
35
External Indicator Connection
36
Communicator Connection
36
Check Meter Connection
36
Status Output Connection
37
Wiring
37
Loop Configuration
37
Wiring Installation
38
Grounding
39
Power Supply Voltage and Load Resistance
39
7 Operation
40
Preparation for Starting Operation
40
Zero Point Adjustment
42
Adjusting Zero Point For Differential Pressure Transmitters
42
Adjusting Zero Point for Gauge/Absolute Pressure Transmitters
42
Starting Operation
43
Shutting down the Transmitter
43
Venting or Draining Transmitter Pressure-Detector Section
44
Draining Condensate
44
Venting Gas
44
Local Parameter Setting
45
Local Parameter Setting (LPS) Overview
45
Activating Local Parameter Setting
47
Parameter Setting Review
47
Loop Test Configuration
48
Tag Number Configuration
48
Pressure Unit Configuration
48
Pressure Lrv/Urv Configuration
49
Damping Time Constant Configuration
49
Output Mode Configuration
49
Display Out 1 Configuration
49
Re-Range by Applying Actual Pressure (LRV/URV)
50
Device Information Display
50
Save or Cancel
50
Abort Configuration
51
Abort Configuration (Menu)
51
Abort Configuration (Parameter)
51
Local Parameter Setting Lock
51
Others
51
8 Maintenance
52
Overview
52
Calibration Instruments Selection
52
Calibration
52
Disassembly and Reassembly
54
Replacing the Integral Indicator
54
Replacing the CPU Board Assembly
55
Cleaning and Replacing the Capsule Assembly
56
Replacing the Process Connector Gaskets
57
Troubleshooting
57
Basic Troubleshooting
57
Troubleshooting Flowcharts
58
Alarms and Countermeasures
60
9 General Specifications
61
Revision Information
62
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YOKOGAWA DP harp EJX Series Specifications
General
Brand
YOKOGAWA
Model
DP harp EJX Series
Category
Transmitter
Language
English
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