York 00497VIP manual Serial Inputs / Outputs Tests, RS-485 From, From COM 4b

Page 101

FORM 50.40-OM2

SERIAL INPUTS / OUTPUTS TESTS

FIG. 52

This diagnostic is used to verify correct operation of the Serial Data Ports. There is a test for each of the five Serial Data Ports. Each RS-232 port (COM 1, 2 and 4b) is tested by transmitting serial test data from outputs to inputs of each port. Both the transmit and receive functions as well as the control lines are tested. The RS-485 ports (COM 3 and 4a) are tested by transmitting serial test data from one RS-485 port to another. The TX/RX opto-coupled port (COM 5) is tested by transmitting serial test data from the TX output to the RX input. If the received data matches the transmitted data, PASS is displayed, indicating the serial port is OK. Otherwise, FAIL is displayed, indicating

00530VIPC

 

From

 

To

 

COM 2

J13-5

(TX)

J13-3

(RX)

 

J13-7

(DTR)

J13-1(DCD) &

 

 

 

J13-2(DSR)

 

J13-4

(RTS)

J13-6

(CTS) &

 

 

 

J13-8

(RI)

RS-485

From

 

To

 

(COM

J12-3

(+)

J11-3

(+)

3 & 4a)

J12-2

(-)

J11-2

(-)

Microboard Program Jumper JP27 must be installed in position 1 & 2.

the serial port is defective. Prior to performing each test, the Service Technician must install a wire loop- back connection as described below. Refer to Section 5 and Figure 35 of this book for description of the

 

From

To

COM 4b

J2-7 (GTX)

J2-6 (GRX)

5

Serial data Ports.

PROCEDURE

1.Using small gauge wire, fabricate loop-back connections and install as follows for each port to be tested. Failure to install the loop- back connection or configure the Microboard Program jumper as noted will result in a FAIL outcome for the test.

 

From

To

 

COM 1

J2-4

(TX)

J2-3

(RX)

 

J2-5

(DTR)

J2-2

(DSR)

Microboard Program Jumper JP27 must be installed in position 2 & 3

2.After connecting appropriate loop-back con- nections above, press the appropriate key to initiate the desired test. An LED will illuminate indicating the test is in progress. If it is desired to terminate the test, press the CANCEL TEST key. Test data is sent from an output to an input as described below. At the completion of each test, if the data received matches the data sent, the Serial Port operates properly and PASS is displayed. Otherwise, FAIL is

YORK INTERNATIONAL

101

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Contents Optiview Remote Control Center Remote Control CenterSafety Symbols General Safety GuidelinesChangeability of this Document Table of Contents List of Tables List of Figures EU Declaration of Conformity Product Description CHILLER/CONDENSING Control Panels Installation Required Software Version Chiller / Condensing Unit Eproms Optiview Remote Control Center From Optiview RCC Unit Microboard Unit Microboard 031-01314-000 031-02050-001Voltage Source Figure Wire SizingGrounding Ground Wire Size FigureWiring Practices Figure Sides or bottom of the panel and use a conduit drain Do not drill a control panel to locate conduit conOperation Setpoint / Change Schedule Screen Descriptions and UsageSetpoints Manual ControlsScreen Navigation Layout This page intentionally left blank to maintain formatting Home Screen Unit Control TemperatureUnit Type Unit StatusUnit # Unit Run Indicator LEDAverage Ambient Temperature Ycal Chiller Unit Screen ExamplesYcas Chiller Ycws Chiller Unit Screen This page intentionally left blank Systems Screen Examples 00507VIPC Systems Screen Individual System Screen None Hours and Starts Screen Operating Hours Total StartsYcas Chiller / Ycar Chiller Options ScreenAmbient Control Mode Units Display ModeLocal/Remote Control Mode Language Display ModeTrending Trending ScreenStart Trend SetupStop AxisCollection Interval Trend Setup ScreenChart Type Data Point Slot # SelectData Point Min Data Point MaxThis page intentionally left blank This page intentionally left blank Setpoints Screen Examples 00517VIPC Setpoints Screen History Screen Last FaultsPrint History Print All HistoriesDown History Details ScreenHistory Printout Number of Units Connected SetupRCC Setpoints Screen Clock Enabled / Disabled RCC Setup ScreenSet Date Set TimeUnits DiagnosticsComms PrinterRCC Poll Time 5-30 sec Comms ScreenRS-485 Baud Rate Printer Screen RCC Comms Diagnostics ScreenSoftware Versions Digital Inputs Diagnostics I/O ScreenDiagnostics RCC Comms Screen Clear Counters Timeout CountStatus Messages Display MessagesPrinters PrintersWeigh-Tronix Models 2600 Equipped with an RS-232 Serial interface OkidataSeiko Okidata 182, 182 turbo, 184 turboHardware required ConnectorsWEIGH-TRONIX Printer ModelAutomatic Data Logging Printer SetupLocal/Remote Control Mode Suction Temperature = 42.9 F Discharge Temperature Introduction ServiceRefer to FIG System ArchitectureControl Center Refer to MicroboardFirst initiate table complete Fpga configurationMini-card signature test Mini-card checksumService York International Bios Eprom U45 Flash Memory Card Bram Bios Eprom Flash Memory Card From Watchdog protection as follows Pins 1-2 RS-232 Pins 2-3 RS-485 JP10 JP26 Not usedMicroboard Program Jumpers JP39, JP40, JP41, JP42 Not used JP34, JP35, JP36, JP37 Not UsedTion! Severe compressor or chiller Microboard Program SwitchesMicroboard Serial Data Communications Ports Configurable Analog Inputs Ment Displays or supporting components cannot be Liquid Crystal DisplayDisplay Replacement Kit LG Semicon LP104V2 Display refer to Removal InstallationSharp LQ10D367 Display Refer to Removal DISPLAY, Mounting Liquid Crystal Display Assembly LG Semicon LP104V2 Display Sharp LQ10D367 Lamp Replacement 031-01765-002 Display Interface Board031-01765-001 Display Interface Board Display Backlight Inverter Board Inverter Refer to Figures 45 KeypadKeypad LD04075 Power Supply Power Supply Refer to Offline Diagnostics & TroubleshootingMain Diagnostics Screen Keypad Test Display Test ProcedureBIT Patterns Test Screen From Serial Inputs / Outputs TestsRS-485 From From COM 4b102 Digital Inputs / Outputs Tests Analog Inputs Tests System Commissioning Checklist Part Number and Renewal Parts 107 108 109 110 SI Metric ConversionPage ALL Rights Reserved

00497VIP specifications

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