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IM 743-1

3

Revision History

IM 743-0

April 2003

Initial release.

IM 743-1

May 2005

Removed references to RS 232 serial connection.
Added WGS, WMC, HSC, TSC, and HDC models to Reference
Documents section and cover page.
Corrected pin connections on Figure 6.
Added notes under Unit Setup for Network Control and
Network Address and Baud Rate sections.

Reference Documents

Number

Company

Title

Source

ED15063

McQuay International

MicroTech II Protocol Information for McQuay
International Chiller Unit Controllers, Modbus
Networks

www.mcquay.com

IMM AGS

McQuay International

MicroTech II Air-Cooled Screw Chiller
Installation and Maintenance Manual

www.mcquay.com

IOMM ACZ/AGZ

McQuay International

MicroTech II Air-Cooled Condensing Unit
Installation, Operation, and Maintenance Manual

www.mcquay.com

IOMM ACZ1

McQuay International

MicroTech II Air-Cooled Condensing Unit
Installation, Operation, and Maintenance Manual

www.mcquay.com

IOMM AGZ

McQuay International

MicroTech II Air-Cooled Scroll Chiller
Installation, Operation, and Maintenance Manual

www.mcquay.com

IOMM WGZ

McQuay International

MicroTech II Water-Cooled Scroll Chiller
Installation Manual

www.mcquay.com

IOMM WPV

McQuay International

MicroTech II Centrifugal Chiller Installation,
Operation, and Maintenance Manual

www.mcquay.com

IOMM WSCWDC

McQuay International

MicroTech II Chiller Unit Controller Installation,
Operation, and Maintenance Manual

www.mcquay.com

OM AGS

McQuay International

MicroTech II Controller for AGS Chillers
Operating Manual

www.mcquay.com

OM CentrifMicro II

McQuay International

MicroTech II Unit Controller for Centrifugal
Chillers and Templifiers Operating Manual

www.mcquay.com

OM WGS

McQuay International

MicroTech II Controller for Water–Cooled Screw
Chiller Operating Manual

www.mcquay.com

OM WMC

McQuay International

MicroTech II Controller for WMC Magnetic
Bearing Compressor Chiller Operating Manual

www.mcquay.com

IOMM TSC

McQuay International

MicroTech II Templifier Single Compressor
Centrifugal Installation, Operation, and
Maintenance Manual

www.mcquay.com

-

Modbus

Modbus over Serial Line Specification &
Implementation Guide v1.0

www.Modbus.org

Содержание IM 743

Страница 1: ...Cooled Global Scroll ACZ Air Cooled Scroll Condensing Unit WGZ Water Cooled Global Scroll AGS Air Cooled Global Screw WGS Water Cooled Global Screw NOTICE Use this manual to physically install the com...

Страница 2: ...to the Network 11 Network Topology 11 Addressing and Establishing Communications 11 Network Address and Baud Rate 11 Configuring the Unit Controller 11 Service Information 13 Test Procedures 13 Repla...

Страница 3: ...ir Cooled Scroll Chiller Installation Operation and Maintenance Manual www mcquay com IOMM WGZ McQuay International MicroTech II Water Cooled Scroll Chiller Installation Manual www mcquay com IOMM WPV...

Страница 4: ...hange any information contained herein without prior notice The user is responsible for determining whether this software is appropriate for his or her application The following are trademarks or regi...

Страница 5: ...ules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment Operation of this equipment in a residential are...

Страница 6: ...jor Components RS 485 Network Connetor 8 Pin Header Modbus Connector RS 485 Network Connector This connector connects the Modbus Communication Module to the RS 485 network Pin Function 1 Reference 2 I...

Страница 7: ...rom the Serial Card slot if it hasn t already been removed Use a small screwdriver to pry the cover off from one end 4 Remove the plastic knockout in the cover 5 Figure 4 shows the Serial Card slot th...

Страница 8: ...e of the network cable to Pin 2 of the connector plug b Connect the other wire to Pin 3 of the connector plug c No wire is connected to the remaining pin Figure 3 Serial Card Slot Location on Unit Con...

Страница 9: ...IM 743 1 9 Figure 5 Network Cable Routing and Connections Figure 6 Network Connection Detail Net w ork Cab le Pin 3 Pin 2...

Страница 10: ...the slot 10 Keeping the Modbus Communication Module level move it into the slot until you feel the connectors line up The correct position seems to be level toward the left side of the slot and down s...

Страница 11: ...a MicroTech II Chiller Unit Controller is set in the unit controller keypad display The Modbus network address and data transmission rate Baud Rate is only available in the keypad display when the pr...

Страница 12: ...d via the network or with the keypad display The appropriate Operation Manual provides default values and keypad operation The MicroTech II Chiller Modbus Protocol Information Document ED 15063 provid...

Страница 13: ...ll does not respond contact the McQuay Controls Customer Support group at 866 4MCQUAY 866 462 7829 Replaceable Parts List Network Connection Plug Generic Replacement Parts If you lose this terminal bl...

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