Contents
3 of 132
Publication S177E V2.0 Issue 12/04
Contents
Glossary of Terms...........................................................................................................................7
Abbreviations ..................................................................................................................................7
How to use this Manual ..................................................................................................................9
Software level ..................................................................................................................................9
1
INTRODUCTION .................................................................................................11
1.1
Related Documents..............................................................................................................11
2
EQUIPMENT DESCRIPTION ..............................................................................13
3
STORAGE PROCEDURE ...................................................................................15
4
OVERVIEW OF PAKSCAN.................................................................................17
4.1
Field Control Units ...............................................................................................................17
4.2
Control and Indication .........................................................................................................18
5
FUNCTIONS........................................................................................................19
5.1
Cable Fault Protection - Loopback system .......................................................................19
5.2
Current Loop Start Up Operations .....................................................................................19
5.2.1
Loop Configuration ..................................................................................................20
5.2.2
Normal Running Operation ......................................................................................20
5.3
Modbus Serial and Ethernet Interfaces .............................................................................21
5.4
Local User Interface (LCD and Keypad) ............................................................................21
6
INITIAL SETTING UP..........................................................................................23
6.1
Jumper Settings ...................................................................................................................23
6.2
External Links.......................................................................................................................25
6.3
Display Screen Contrast .....................................................................................................26
7
INSTALLATION AND CONNECTION.................................................................27
7.1
Mounting ...............................................................................................................................27
7.2
Mains Power .........................................................................................................................27
7.3
Field Wiring...........................................................................................................................28
7.3.1
Screen Connections ................................................................................................29
7.4
Loop Checks.........................................................................................................................29
7.4.1
Loop Continuity........................................................................................................29
7.4.2
Screen Continuity ....................................................................................................30
7.4.3
Cable Capacitance ..................................................................................................30
