Chromalox C4 User Manual

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Important Safeguards ............................................................................................................. 1
1. Initial Instructions .............................................................................................................. 2
1.1 General Description ................................................................................................................................. 2
1.2 Features ................................................................................................................................................... 2
1.3 Product Inspection ..................................................................................................................................2
2. Dimensions & Weights ...................................................................................................... 3
3. Installation - Mounting ...................................................................................................... 4
4. Installation - Wiring ........................................................................................................... 5
5. Emission, Immunity and Safety Standards ..................................................................... 6
6. Controller Overview .......................................................................................................... 7
6.1 Layout ................................................................................................................................................... 7
6.2 Cooling Fan ............................................................................................................................................. 8
6.3 Inserting a New Field Bus Interface Card ................................................................................................8
7. Connections and Indication ............................................................................................. 9
7.1 Power Connections ................................................................................................................................. 9
7.2 Power Wiring Considerations .................................................................................................................. 9
7.3 Input & Output Connections .................................................................................................................. 10
7.4 LED Logic .............................................................................................................................................. 10
7.5 Rotary Switches .................................................................................................................................... 11
7.6 Connector Detail .................................................................................................................................... 11
7.6.1 Connector J1/J1a ......................................................................................................................... 11
7.6.2 Connector J2 ................................................................................................................................ 14
7.6.3 Connector J3 ................................................................................................................................ 15
7.6.4 Connector J4 ................................................................................................................................ 16
7.7 DIP-Switch Configuration ...................................................................................................................... 17
7.8 Serial Communication Ports .................................................................................................................. 18
7.8.1 Port1 (Standard Local Bus) ..........................................................................................................18
7.8.2 Port2 (Optional Fieldbus) .............................................................................................................. 19
7.8.3 Connection Example: Communication Port ................................................................................. 25
8. Load Connection Examples ........................................................................................... 29
8.1 4 Single Phase Loads, 3- Phase Line with Neutral ............................................................................... 31
8.1 4 Single Phase Loads, 3- Phase Line without Neutral .......................................................................... 31
8.3 Two 3-Phase Loads, Closed Delta ........................................................................................................ 32
8.4 Two 3-Phase Loads, Star (Wye) without Neutral ................................................................................... 32
8.5 One 3-phase Load Active, One 3-Phase Load Inactive, Wye without Neutral ...................................... 33
8.6 One 3-Phase Load, Inside Delta ............................................................................................................ 33
9. Inductive and Transformer Coupled Load Guidelines ................................................. 34
10. Communications Port (Modbus RTU/RS485) ............................................................... 34
11. Autobaud Function .......................................................................................................... 35
11.1 Autobaud Port 1 Sequence ................................................................................................................... 35
11.2 11.2 Autonode Sequence for Fieldbus Use ........................................................................................... 35
12. Specifications .................................................................................................................. 36
13. Ordering Information ....................................................................................................... 40
14. Configuration and Programming ................................................................................... 41
15. Accessories ..................................................................................................................... 41
Table of Contents

Chromalox C4 Specifications

General

Brand	Chromalox
Model	C4
Category	Controller
Language	English