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McQuay to Modbus TCP

A FieldServer protocol gateway that provides data exchange between McQuay and Modbus TCP. The Modbus TCP Driver allow the FieldServer to transfer data to and from devices over Ethernet using Modbus TCP Protocol. The McQuay MicroTech Open Protocol ...
SKU:
FS-QS-1XX0-0591
Max Points
Max Points: 250, 500
McQuay to Modbus TCP
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McQuay to Modbus TCP


Quickserver Gateway (Serial-Ethernet)

QuickServer is a high performance, fully configurable, cost effective Building and Industrial Automation gateway for integrators to easily interface devices to networks in commercial buildings and industrial plants.

System integrators world-wide have benefitted from the value of the powerful line of interoperability gateways offered by FieldServer. Now, QuickServer adds to that value by running the same robust FieldServer protocol conversion software on a highly cost effective platform backed by the experience, engineering expertise and proven technical support that integrators have come to expect from FieldServer.

QuickServer is available in two series. The FS-QS-10XX Series is preloaded with two BAS drivers (serial, Ethernet and/or LonWorks) from a choice of Modbus RTU, Modbus TCP, BACnet/IP®, BACnet MS/TP, LonWorks®, JCI Metasys® N2 and SNMP. Each QuickServer can handle up to 250 points.

The FS-QS-12XX Series QuickServer is available to use any Serial, Ethernet or LonWorks driver in the extensive FieldServer driver library. The FS-QS-12XX Series can handle up to 500 points and is available with a choice of RS-485, RS-232 or RS- 422 serial ports, KNX or M-Bus, in addition to Ethernet and LonWorks (optional).

Each QuickServer includes browser-based tools to make it easy to set-up QuickServer and perform diagnostics including determination of status, network settings, node information, map descriptors and more. The USB flash drive also includes the Discovery utility to determine what FieldServers are on a network.

McQuay Microtech Open

McQuay International has provided BAS manufacturers licensed access to stand-alone MicroTech unit controllers. The network access, which is called Open Protocol™, allows a BAS to monitor status and change limited control parameters in McQuay International HVAC equipment.

Monitoring and controlling MicroTech unit controllers may have required the use of a MicroTech system panel, depending on the unit type, number of units and other network requirements.

There are multiple combinations of MicroTech unit controllers and/or system panels (i.e. Open Protocol networks) that could use a FieldServer device. FieldServer-supported devices, McQuay Open Protocol controller descriptions, and network architecture diagrams are all described in the following section. The McQuay MicroTech® Open Protocol driver allows the FieldServer to transfer data to and from devices over either RS-232 or RS-485 using McQuay MicroTech® Open Protocol. The FieldServer can emulate either a Server or Client.  

Modbus TCP

The Modbus TCP Driver allows the FieldServer to transfer data to and from devices over Ethernet using Modbus TCP Protocol. The Modbus TCP driver uses port 502. This port is not configurable. The driver was developed for Modbus Application Protocol Specification V1.1a" from Modbus-IDA. The specification can be found at www.modbus.org. The FieldServer can emulate both a Client and a Server simultaneously on the same ethernet port.

The information that follows describes how to expand upon the factory defaults provided in the configuration files included with the FieldServer.

There are various register mapping models being followed by various vendors. To cover all these models FieldServer uses the following three Models

  • Modicon_5digit – Use this format where addresses are defined in 0xxxx, 1xxxx, 3xxxx or 4xxxx format. A maximum of 9999 registers can be mapped of each type. This is FieldServer driver’s default format.
  • ADU –Application Data Unit address. Use this format where addresses of each type are defined in the range 1-65536
  • PDU –Protocol Data unit address. Use this format where addresses of each type are defined in the range 0-65535.

The key difference between ADU and PDU is for example if Address_Type is ADU and address is 1, the driver will poll for register 0. If Address_Type is PDU, the driver will poll for address 1.

Note 1: If vendor document shows addresses in extended Modicon (i.e. 6 digit) format like 4xxxxx then consider these addresses as xxxxx (omit the first digit) and use either ADU or PDU

Note 2: The purpose of providing 3 different ways of addressing the Modbus registers is to allow the user to choose the addressing system most compatible with the address list being used. At the protocol level, the same protocol specification is used for all three with the exception of the limited address range for Modicon_5digit.

Manuals

FS-8704-03_Modbus_TCP
FS-8700-80 McQuay Microtech Open Protocol Manual
QuickServer Start-up Guide

Datasheets

FS-8704-03_Modbus_TCP
FS-8700-80 McQuay Microtech Open Protocol Data Sheet
QuickServer Data Sheet

Block Diagrams

LP Modbus
LP_McQuay

Logos

Logo Modbus
Logo Mcquay

Useful Links

Gateway Selector

Select your combination of protocols.
Protocol 1
Protocol 2

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