ZETRON 025-9581M Instrukcja Obsługi

Copyright © 2004 by Zetron, Inc.All Rights ReservedZETRONModels 1708 and 1716Remote Terminal UnitsInstallation and Operation ManualPart No. 025-9209J

Contentsx 025-9209APPENDIX BMODEL 1730/1732 COMMUNICATIONS AND I/O TEST PROGRAM...59STARTING THE PROGRAM ...

025-9209 1INTRODUCTIONGENERALA Model 1708 or 1716 Remote Terminal Unit (RTU) is one part of a wireless SCADAitelemetry system. A SCADA system typicall

Introduction2 025-9209Table 1. Digital and Analog I/O CapabilityI/O 1708 1716 1700Digital In 8 16 0Digital Out 8 16 4Analog In 4 8 0Analog Out 0 4 0Th

Introduction025-9209 3A MODBUS SCADA system with a Model 1700 controller is shown in Figure 2.In a MODBUS system, the PC can communicate with up to 15

Introduction4 025-9209There are a variety of other status points that may be monitored: open door or window, highwater alarm, high temperature, main p

025-9209 5SPECIFICATIONSPHYSICAL SPECIFICATIONSPower 10.5-16 VdcCurrent 75 mA typical, 150 mA maximumTemperature 0 to +60 degrees CSize 7.25"W x

Specifications6 025-9209Signal IntegrityRequired SignalStrength95% success at 12 dB SINADProbability of FalseData1 in 109 (0.0000001%)I/O SPECIFICATIO

025-9209 7OPERATIONGENERAL OPERATIONThe Model 1708 and Model 1716 Remote Terminal Units (RTUs) perform two basic tasks:1. RTUs report changes in inpu

Operation8 025-9209ADDRESSING THE RTUThe RTU is DIP switch addressable from 1 to 255. This is done by using the 8-position DIPswitch labeled SW1. Posi

Operation025-9209 9CONFIGURATIONEach RTU will need to be configured prior to its use unless the factory default initializationvalues are satisfactory

Operation10 025-9209MAIN MENUTable 2. RTU Main MenuMenu Selections Range Factory Settings{P}rekey time 0-40 (x0.1 second) 5 (0.5 second){C}hannel busy

Operation025-9209 11Channel Busy DetectTo identify when the channel is in use, the carrier must be set to inhibit transmission oneither High (+5 or op

Operation12 025-9209All RTUs in a system can have the same group call address, or you can achieve a zoningeffect by assigning one address to one group

Operation025-9209 13WARNINGDo NOT enable the Communication Failure feature if you are using a Model17 or Model 1700 Controller with a software version

Operation14 025-9209Slot No.There are up to 16 slots to configure.Source AddressInput the address of the transmitting unit.Destination AddressInput th

Operation025-9209 15We have configured RTU #5 to act as the store and forward unit between Controller Unit #0and RTU #150. If Controller Unit #0 tries

Operation16 025-9209Disable InputIf the input is disabled, its status will still be sent during a poll response, but any change inthe state of the inp

Operation025-9209 17DIGITAL OUTPUT DEFINITIONTable 8. RTU Digital Output Definition MenuMenu Selections Range Factory Settings{L}atched mode Latched{M

Operation18 025-9209ANALOG INPUT DEFINITIONTable 9. RTU Analog Input Definition MenuMenu Selections Range Factory Settings{E}nable Input Enabled{D}isa

Operation025-9209 19High ResetTo provide for hysteresis, set this value slightly below the high threshold value. The voltagebeing measured must drop b

Statements025-9209 iiiWARRANTYZetron’s warranty is published in the current Zetron United States Price Book.LIMITATION OF LIABILITYZetron makes no rep

Operation20 025-9209SYSTEM OPERATIONAL LIMITSInputsChatterChattering occurs when a status being monitored changesrapidly, that is, more than once ever

Operation025-9209 21PowerBrown PowerThere is a low power reset circuit in the RTU which willdisconnect power when supply voltage drops below 9.35volts

Operation22 025-9209Radio SystemA radio stuck in transmit for any reason (PTT held in,electronic failure, chattering PTT, etc.) will prevent orinterfe

025-9209 23MODBUS SYSTEM SET UPThis section describes the functioning of the Model 1700 controller and Model 1708/1716RTUs in a MODBUS system.MODBUS O

MODBUS System Set Up24 025-9209COMMUNICATIONSIn a MODBUS system using radio or wireline communications, only the controller speaksMODBUS. For queries

MODBUS System Set Up025-9209 25RTUs. In a large system with lots of I/O activity, this can result in frequent communicationsfailures.Which Is Better -

MODBUS System Set Up26 025-9209CONFIGURING THE 1700 CONTROLLERWhen using the MODBUS option, the Model 1700 controller address is usually set to “1”(DI

MODBUS System Set Up025-9209 274. From the MODBUS menu, type “A” to open the Autopoll menu.5. From the Autopoll menu, type “I” to open the Interval

MODBUS System Set Up28 025-9209You may now exit the programming mode or continue with any other configurationprogramming that you need to perform on t

MODBUS System Set Up025-9209 29MODBUS Version of the RTU MenuWhen you access the program mode for a Model 1708/1716 that has been equipped with theMOD

Statementsiv 025-9209FEDERAL COMMUNICATIONS COMMISSION (FCC) REGULATIONSThis equipment has been tested and found to comply with the limits for a Class

MODBUS System Set Up30 025-9209rapidly changing signals could be polled more often than lessimportant or slowly changing signals.Timeout PeriodsThe ti

MODBUS System Set Up025-9209 31Within the MODBUS protocol, the Input Status and Input Register signal types (digital andanalog inputs) are read-only.

MODBUS System Set Up32 025-9209There is one digital input counter for each input of the Model 1708 or Model 1716 RTU.Each counter consists of two valu

MODBUS System Set Up025-9209 33An illegal data address exception will be returned to queries beginning at unused addresses,40005 - 41010, 41088 - 4201

MODBUS System Set Up34 025-9209AVIN 256SMMSSMLHLHLL=××−×−−+The sample rate is returned in 10ths of a second. The default sample rate is 10

MODBUS System Set Up025-9209 35T67.13gal / min 130864Sec60Sec / min=×T 146415gal=Table 18 shows the MODBUS holding register addresses used for digital

MODBUS System Set Up36 025-9209SOFTWARE PRODUCTS FOR THE MODBUS PROTOCOLThe following list contains some of the software packages known to work with t

025-9209 37SET UP AND INSTALLATIONINSTALLATIONThe Model 1708/1716 may be wall-mounted or mounted within a standard industrialenclosure. See the Model

Setup and Installation38 025-9209Radio ConnectionThe Radio Connector P3 on the RTU requires a minimum of six connections to interfacewith the radio. T

Setup and Installation025-9209 39If your radio provides a logic change of 5-0 Vdc when channel is busy, install JP1 in the Aposition and leave the RTU

Statements025-9209 v

Setup and Installation40 025-9209TP1 (Audio in) Set to 1V P-P using RXAUD pot. Repeat Step 3 but for transmit audio onRTU #2 and receive audio on RTU

Setup and Installation025-9209 41Model 1708 I/O ConnectionsJ2 DB9-S(9-pin RS-232 Port)Pin # Connection1N/C2N/C3 Transmit from RTU (TXD)4 Receive from

Setup and Installation42 025-9209MODEL 1716 JUMPERS AND I/OThe jumper and I/O connector information in this subsection applies to the Model 1716 (Part

Setup and Installation025-9209 43Model 1716 I/O CONNECTIONSThe I/O connector information in this subsection applies ONLY to the Model 1716 (Part No.90

Setup and Installation44 025-9209J5Pin # Connection Pin # Connection1 Ground 10 Ground2 Digital Output #1 11 Digital Output #93 Digital Output #2 12 D

Setup and Installation025-9209 4550-PIN INDUSTRIAL I/O BOARD CONNECTORThe 50-Pin Industrial I/O Board Connector P6 is designed for connection to many

Setup and Installation46 025-9209P6Pin # Connection Pin # Connection1 Module I/O 24 26 Ground2 Ground 27 Module I/O 113 Module I/O 23 28 Ground4 Groun

025-9209 47THEORY OF OPERATIONBASIC FUNCTIONAL DESCRIPTIONThe Models 1708 and 1716 Remote Terminal Units are microprocessor-based systems with asoftwa

Theory of Operation48 025-9209

025-9209 49TROUBLESHOOTING GUIDEOVERVIEWIn case of installation or operational difficulty, call Zetron at (425) 820-6363. Please have theserial number

Statementsvi 025-9209

Troubleshooting Guide50 025-9209Problem:Units will not communicate.Recommendations:Check address on RTU and Controller.Verify setting of DIP switch 7

025-9209 51REPAIRMODEL 1708/1716 COVER REMOVAL AND REPLACEMENTTo remove the cover of the unit, rotate the cover up and off the cover centering-pin at

Repair52 025-9209MODEL 1700 SERIES ENCLOSURE OUTLINE (024-0057B)

Repair025-9209 53MODEL 1700 SERIES ENCLOSURE INSTRUCTIONS (024-0056D)(Sheet 1 of 2)

Repair54 025-9209024-0056D (Sheet 2 of 2)

Repair025-9209 55MODEL 1708 REMOTE TERMINAL UNIT SILKSCREEN (702-9439F)

Repair56 025-9209MODEL 1716 REMOTE TERMINAL UNIT SILKSCREEN (702-9440F)

025-9209 57APPENDIX ACOMMUNICATING OVER TWO-WIRE BALANCED LINE (600Ω)Zetron’s Model 1700, 1708, and 1716 RTUs all have similar data transmission circu

Appendix A58 025-9209Simple copper-pair wire will require line drivers over long distances since attenuation ishigh. Leased lines from the phone compa

025-9209 59APPENDIX BMODEL 1730/1732 COMMUNICATIONS AND I/O TEST PROGRAMThe Model 1730 - Model 1732 Communications And I/O Test program is a troublesh

Contents025-9209 viiWARRANTY ...iiiLIMITATION OF LI

Appendix B60 025-92091730 has the MODBUS option, it must be configured to use the ULTRAc protocol so that itwill pass all messages received from RTUs

Appendix B025-9209 61THE POLL MENUThe Poll selection in the main menu is used to poll the Controller or RTU for current I/Ostatus, logic register valu

Appendix B62 025-9209THE SET MENUThe Set option in the main menu is used to control outputs and change logic registers.Figure 13. The Set MenuWhen one

Appendix B025-9209 63THE CLEAR MENUThe Clear menu provides options for clearing the message window and for clearing counters,runtimes and accumulators

Appendix B64 025-9209

025-9209 65GLOSSARYAC power moduleThe module that connects a device to an AC power source.AccumulatorSee analog input accumulator.Acquisition timeoutT

Glossary66 025-9209ControllerIn this manual, the word “controller” refers to the devicethat interfaces between the computer controlling theSCADA syste

Glossary025-9209 67Exception ReportChannelThe communications method used by a device forexception reports to a Controller. The choices are Radio,Phone

Glossary68 025-9209InterpreterA method of computer programming where an intermediatelanguage is used.Key Down DelayDelay between the end of a radio tr

Glossary025-9209 69Outbound AddressRange HighParameter used for store and forward radiocommunications.Outbound AddressRange LowParameter used for stor

Contentsviii 025-9209Replacement Destination Address ...14Next slot...

Glossary70 025-9209Radio modemSee radio interface module.Relay Output ModuleThe module that connects a device to equipment to becontrolled by the SCAD

Glossary025-9209 71RTU TypeA configuration setting. An RTU can be a Model 1708 or aModel 1716.SCADASupervisory Control And Data Acquisition. General t

Glossary72 025-9209

025-9209 73INDEX%% change alert, 19% change debounce, 19Aaccumulator sampling rate, 19address extension, 11addressing failure, 21addressing the RTU, 8

Index74 025-9209Eenable input, 15, 18enable/disable exception reports, 13enclosure instructions, 1700 series, 53enclosure outline, 1700 series, 52EPRO

Index025-9209 75analog input definition, 18digital input definition, 15digital output definition, 17fail safe set up, 12main, 10main, RTU with MODBUS

Index76 025-92091716, 56RTU radio protocol, 24RTU response timeout, 28RTU status storage, 26SSCADA, 23scaling circuits, analog inputs, 4serial ports,

Contents025-9209 ixRS-232 Watchdog Configuration ...............28CONFIGURING THE RTUs......