Frick QUANTUM LX - SECTION 1 INTRODUCTION TO THE QUANTUM EVAPORATOR CONTROL SYSTEM; SECTION 2 SERIAL COMMUNICATIONS; SECTION 3 QUANTUM LX ALLEN-BRADLEY COMMUNICATION; SECTION 4 MODBUS PROTOCOL

S90-020 M FRICK
®
QUANTUM™ LX COMPRESSOR CONTROL PANEL
Page 2 MAINTENANCE
TABLE OF CONTENTS
TABLE OF CONTENTS ............................................................................................................................................2
THE QUANTUM™ LX CONTROL PANEL ENCLOSURE ....................................................................................... 6
INTRODUCTION TO THE QUANTUM™ LX CONTROL SYSTEM.......................................................................... 6
QUANTUM™ CONTROLLER BOARD..................................................................................................................... 7
Introduction .......................................................................................................................................................... 7
Troubleshooting The Quantum™ Control Panel ................................................................................................. 7
General Information............................................................................................................................................. 7
What To Do Before Calling The Factory..............................................................................................................7
Replacing The Quantum™ Board ....................................................................................................................... 7
What Should Occur When Applying Power......................................................................................................... 8
What If The Operating Status Screen Is Not Shown ........................................................................................... 8
Quantum™ Controller Board Pictorial ................................................................................................................. 9
Quantum™ Board Settings.................................................................................................................................. 9
Processor Board Jumpers............................................................................................................................. 9
Communications Board Jumpers.................................................................................................................. 9
COM-1 (TB1) ..........................................................................................................................................................9
COM-2 (TB2 - TB3).................................................................................................................................................9
Quantum™ LX Flow Diagram - D.C. Voltage/Communications Harness (Special) .......................................... 10
Quantum™ LX Flow Diagram - D.C. Voltage/Communications Harness (Standard) ....................................... 11
DIGITAL BOARD..................................................................................................................................................... 12
Digital Board Description ................................................................................................................................... 12
Communications LED's .....................................................................................................................................12
Connections to the Quantum™ ......................................................................................................................... 12
Logic Voltage (Power) LED ...............................................................................................................................12
Active LED ......................................................................................................................................................... 13
Digital Inputs ...................................................................................................................................................... 13
Digital Outputs ................................................................................................................................................... 13
Checking the Digital Inputs and Outputs ........................................................................................................... 14
Fuse Testing And Replacement ........................................................................................................................ 14
Input and Output Module Testing and Replacement......................................................................................... 14
Troubleshooting an Output ................................................................................................................................ 14
Troubleshooting an Input...................................................................................................................................14
Replacing a Defective Digital Board.................................................................................................................. 14
Digital I/O Board #1 Pictorial .............................................................................................................................15
Digital I/O Board #2 Pictorial .............................................................................................................................16
Digital Board Settings ........................................................................................................................................17
Communications Settings ...........................................................................................................................17
Dipswitch Settings....................................................................................................................................... 17
ANALOG BOARD ...................................................................................................................................................18
Overview............................................................................................................................................................ 18
Analog Board Versions...................................................................................................................................... 18
Analog Board Description.................................................................................................................................. 18
Communications LED's .....................................................................................................................................19
Connections to the Quantum™ ......................................................................................................................... 19
Logic Voltage (Power) LEDs .............................................................................................................................19
Active LED ......................................................................................................................................................... 20
Analog Inputs..................................................................................................................................................... 20
Enahanced Analog Board Input Configuration Table .................................................................................20
Analog Outputs .................................................................................................................................................. 21
Troubleshooting the Analog Inputs and Outputs ............................................................................................... 21
Replacing a Defective Analog Board................................................................................................................. 21
PhD Vibration Analysis ...................................................................................................................................... 22
Current Transformer (Motor Amps) ................................................................................................................... 23
Enhanced Analog Board #1 Pictorial................................................................................................................. 24
Enhanced Analog Board #2 Pictorial................................................................................................................. 25
Enhanced Analog Board Settings...................................................................................................................... 26