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C4000
Compac C4000 User Manual
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Appendix A
RS485 Wiring
Compac Industries Ltd.
Page
73
www.compac.co.nz
RS485 Wiring
The following changes are made to standard Compac dispensers to allow
the use of RS485 communication with other devices.
C4000 Power Supply
1) An RS485 Board is fitted inside the Power supply flame proof box.
2) The IS cable pinouts will need to be changed as detailed below. An extra
red wire will need to be added to link pin 5 on J1 with pin 4 on J5
Figure 4: J1
RS485
Figure 5: J5
Pow
er Supply
C4000 Processor
1) Special software to support the Micromotion CNG50 meter w
ill need to be
installed. Please contact the Compac Helpdesk for the latest v
ersion.
2) The IS cable will need to have The Red / Black /
W
hite cable removed
from J2A and put into pin 6 of J2B.
72
74
Table of Contents
Default Chapter
3
Table of Contents
3
Product Identification C4000 Processor
5
Document Control Information
6
Symbols and Units of Measure
7
Safety - C4000 Controller
8
Mechanical Safety
8
Electrical Safety
8
Safety Precautions
8
Electrical Commissioning
9
Cable Requirements
9
Connecting Mains Power and Communication
10
Electrical Commissioning C4000
11
Main Features
12
C4000 Components
12
Configurations
13
Set-Up Modes
16
Configuration Code
16
B' Settings
18
C4000 Set-Up
21
Calibration ('K') Factor
23
No Flow Cut-Off Timer
25
Display (Litres) Resolution
26
Solenoid Delay
27
Pre-Set Cut-Off
28
Further Settings Available on the 'K' Factor Switch
28
Parameter Switch
33
Printer Set-Up
40
Displaying and Printing Totals
41
Basic Systems (Comcard Compin & Cwidkey)
43
Electrical Wiring C4000
45
Compac Wireless Transceiver
49
Displays: Litres Only, Retail, Multi-Price & Preset
52
End of Sale Indications
58
Software Upgrade Procedure
59
Solid State Relays (Triacs)
61
Triacs C4000 Single, Dual & Quad
62
Triacs C4000 MPD6 & MPP6 Side a
63
Triacs C4000 LPG Single/Dual, CNG & Bulk Meter
64
High Current Triac Option
65
Indicator Leds
66
Fault Finding
68
Error Codes
70
Error Messages
71
C4000 with RS232 Wiring
72
Appendix A
72
RS485 Wiring
73
C4000 with RS485 Wiring
75
Gilbarco Interface Wiring
76
Glossary of Terms
77
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Compac C4000 Specifications
General
Brand
Compac
Model
C4000
Category
Control Unit
Language
English
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