Chillers turbochill™ air cooled and freecool – Airedale TurboChill FreeCool 200kW - 1830kW User Manual

Page 32

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Introduction

Chiller Technical Manual 7525355 V1.1.0_04_2013

Chillers

TurboChill™ Air Cooled and FreeCool

BMS Interface Card

BMS system configuration by others.

Enables units to be interfaced with most BMS, factory fitted, please contact Airedale.

A wide range of protocols shall be accommodated through the use of interface devices. Available as a standard option

are: ModBus / Jbus, Carel, Trend, SNMP, LonWorks, Metasys and BACnet

Also available shall be Airedale’s own supervisory plug-in BMS card pCOWEB.

Based on Ethernet TCP/IP secure technology with SNMP features.

Requires no proprietary cabling or monitoring software and supplied pre-programmed with an IP address for ease of

setup.

Modbus / Carel BMS Connection

The Airedale controllers shall be able to communicate directly using the Modbus® protocol.

The Modbus® card shall be a small PCB (60mm x 30mm), which is plugged into the controller to provide it with the

following protocol support

Modbus® - JBus slave

RTU mode (Remote Terminal Unit) with 8 bit encoding and error handling using 16 bit CRC

Communication standard connection options of RS485 (multipoint) or RS232 (point-point)

Maximum Baud Rate of 19200

The data communication shall be asynchronous serial, 8 data bits, 2 stop bits and no parity (in total 11 bits/datum).

The data/parameters from the controller shall be represented within Modbus® registers, each register containing

information pertaining to temperatures, pressures, setpoint and status etc. shall be available to the site integration

company in a spreadsheet format

Lon BMS Connection

The Airedale controllers, using special serial cards, shall be integrated into LonWorks® networks. The RS485 and the

FTT10 standards shall be supported by the LonWorks® serial cards.

The two types of LonWorks® serial cards shall differ by the type of interface on the LonWorks® network side:-

FTT-10A 78 kbs (TP/FT-10)
RS485 39 kbs (TP/485-39)

pCOWeb

pCOWeb is a new generation of Airedale supervisory plug-in cards which make communicating with an Airedale unit

simply a matter of logging onto the office Intranet or via the web.

Based on Ethernet TCP/IP secure technology, pCOWeb shall require no proprietary cabling. It shall have little or no

setup on site and can be pre-programmed with an IP address prior to dispatch from airedale.

CAUTION

When adding to an existing controls scheme, please consult Airedale Controls to ensure strategy compatibility.

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