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PEX 3000
Dräger PEX 3000 User Manual
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REGARD – 1
REGARD single channel control unit
Installation and Operating manual Part
number 4208591 Issue 4
03/09/04
Draeger Safety UK Ltd
Ullswater Close
Kitty Brewster Industrial Esta
te
Blyth
NE24 4RG
Tel 01670 352891
Fax 01670 544475
Issue 4 03/09/04
54
56
Table of Contents
Instructions for Use
14
Default Chapter
14
Table of Contents
14
For Your Safety
16
Intended Use
17
Hints for Safe Use
17
Measuring Function for the Explosion Protection Acc. to 94/9/EC
18
Important Remark
18
Installing Transmitter
19
Mounting
19
Pay Attention to the Density of Gas
19
Pay Attention to Ventilation
19
Remark
19
Mounting the Transmitter
20
Installing Electrical Connections
20
Connection between Transmitter and Controller Unit
20
Internal Wiring in the Transmitter's Enclosure
22
Use of Spring Terminal Clamps in the Transmitter
22
Menu Structure
23
Remarks Concerning the Display
23
Behaviour after Switch-On
23
Calibration and Maintenance
23
Faults
23
Calibration Menu
25
ZE - Zero Adjustment
25
SP - Span Adjustment
25
Maintenance Menu
26
SL - Set Output to X Ma
26
CL - Calibration of Output Signal
26
CU - Sensor Current Adjustment
27
Dp - Set Decimal Point
27
So - Display Software Version
27
Start-Up
28
Switch on Supply Voltage
28
Calibrating Transmitter
29
Zero Point Adjustment
29
Sensitivity Adjustment
30
Following Completion of Calibration
31
Operation
32
Shut Downs
32
Use of Dust Filter
32
Service
33
Maintenance
34
Sensor Replacement
34
Fault - Cause - Remedy
35
Design and Measuring Principle
36
Principle of Operation
36
Technical Data
37
Order List
39
Transmitter
39
Accessories
39
Drilling Templates
41
EC-Type Examination Certificate
45
EC-Declaration of Conformity
48
Index
50
Table of Contents
56
Default Chapter
58
Introduction
58
Description
58
Main Circuit Board
58
Display Circuit Board
59
Pellistor Input Board (Optional)
59
Enclosure
60
Options Board (Optional)
60
Scope of this Manual
58
Intended Use
58
Revision 4 Manual Includes
58
Installation
60
Mounting
60
Unpacking
60
Alarms
61
Cabling
61
Mains Supply
61
Remote Reset
61
Transmitter
61
Internal Batteries
62
Location
62
Commissioning
63
Factory Defaults
63
Set Measuring Range
63
Set Alarm Levels (Control Unit with Display)
64
Set Alarm Levels (Control Unit Without Display)
65
Set Rising/Falling Alarms
65
Calibration
66
Set Latching/Non-Latching Alarm Relay Mode
66
Span Adjustment
66
Zero Adjustment
66
Pellistor Input (Optional)
67
Pellistor Span Calibration (Control Unit with Display)
67
Pellistor Zero Calibration
67
Setting Pellistor Drive Current
67
Options Board
68
Pellistor Span Calibration (Control Unit Without Display)
68
General Specification
68
Remote Reset
68
Repeat 4..20Ma
68
24 Volt DC Output
69
AC Output
69
Digital Outputs
69
Inhibit Jumpers
69
Relay Outputs
69
Servicing
70
Measuring Ranges
70
Spare Parts
70
Fault Finding
73
Glossary
73
Appendix A - Mounting Holes
74
Appendix B - Terminal Details
75
Appendix C - Potentiometers
75
Appendix D - Analogue Jumpers and Test Points
76
Appendix E - Electrical Connections
77
Appendix F - Specifications
97
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Dräger PEX 3000 Specifications
General
Brand
Dräger
Model
PEX 3000
Category
Transmitter
Language
English
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