American Standard TRACER CH532 manual LonTalk option, Description

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LonTalk® option

Description

The Lon interface uses an Echelon FTT-10 transceiver, which is approved to be used on the TP/FT-10 channel.

This channel is characterized by the following main features:

•It consists of up to 60 nodes on a single network segment

•Data rate : 78 125 kbps

•Maximum distance : 1400 meters

•Recommended topology : daisy chain with double end terminator

(105 ohms)

For futher details, refer to the official documentation LonWorks® FTT-10A free topology transeiver user’s guide and to the official LonWorks® guidelines LonMark® layer 1-6 interoperability guidelines version 3.0.

These documents and additional information are available on the internet site www.lonmark.org

Figure 9

GND A B

2

3

4

5

1

1.Connection to the Tracer CH532

2.Terminal block to the LonWorks® network (GND,A,B)

3.Service pin

4.Green status LED

5.Red service LED

To activate the service pin, simply short circuit the two pins for a moment using the tip of a screwdriver or similar tool. The service pin is available only in the node installation phase. When the pin is activated, the node sends a broadcast message in the LonWorks® containing the necessary information in order to be identified.

CG-SV01B-E4

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Contents Tracer CH532 Chiller controller User guide About this manual General informationContents Tracer CH532 Presentation Tracer CH532 inputs and outputs Hardware architectureDescription Tracer CH532 General descriptionTracer CH532 Medium Inputs and output summary listNO11, NO13 Y3 0..10V + ConvonoffCustomer Inputs and output summary list Starting/stopping the unit Menus Accessing the menusStp Local 07.0C Display menu Data displayCustomer settings menu Settings Mode Cooling Comp seq Auto Ckt1 Enable Operating modeCustomer Inputs and Outputs Status output NO10Chiller control Mode Local Remote Remote ModeClock Setting menu Clock Weekly program Program Hourly zone DisableWeekly Start Mon Stop FriUnit configuration menu Configuration Pump Pump protection input HP Control Compressors timersInvert Inverter Control dead bandsPress probe 20mA Min Press 0bar Max Press 30.0bar Sensors and transducersPT100 10V 0..1V 0..20mACompressor alarm CW High Limit 15.0C Low ambient temperature limitationDefault parameters? Set the default parameters Operating limits cooling Low Amb Cooling Low Amb LimitAlarms display and Resetting AlarmsAlarms history Message Status, warnings and alarm messagesUnit status Description No Message History events recordDescription LonTalk optionLED meaning and function Red Service LED LED status Meaning/FunctionGreen Status LED LED status Meaning/Function HVACHEAT=1, HVACCOOL=3 Characteristic impedance ohms Cable characteristicsAttenuation dB/1000 feet at 20C maximum CG-SV01B-E4 CG-SV01B-E4 CG-SV01B-E4 Safety recommendations