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Zlinx 485 Industrial I/O - Manual

1. outputs the full range is 0 to 10 VDC at 1 mA maximum When configured as current outputs the full range is 0 to 20 mA with a maximum load resistance of 375 Q at 20 mA and 10 VDC supply voltage 0 to 20 mA Al s and AO s accommodate standard 4 to 20 mA instrumentation current loop signals 1 0 Wiring DI Wiring DI is programmable to be either NPN or PNP The following diagram shows typical connection wiring for various digital inputs Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Digital Upto 30VDC Figure 12 Typical Digital Input Wiring for Various Input Devices ZZ 4DIDO DCT Expansion Module Note No external power supply wiring is required for Expansion modules DO Wiring The following diagram shows typical connection wiring for modules featuring sourcing PNP drivers Digital Output Sourcing PNP Driver Device Input us I Figure 13 Typical Digital Output Wiring for Sourcing Outputs ZZ 4DIDO DCT Expansion Module The following diagram shows typical connection wiring for modules featuring sinking NPN drivers Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Digital Output Sinking PNP Driver Device Input Figure 14 Typical Digital Output Wiring for Sinking Outputs ZZ 4DIDO DCT1 Expansion Module Al Wiring The following diagram shows typical connection wiring for
2. COM16 e Windows XP Home or Professional with SP1 and SP2 Windows 2000 with SP4 Windows 98 SP1 Second Edition or Windows ME Installing Zlinx 485 Software To install the Zlinx 485 Manager software 1 Insert the CD included with your Zlinx 485 product into the CD ROM drive of your PC 2 The installation should launch automatically If not a Click Start on the Task Bar and select Run b Type in CD drive letter setup exe 3 Follow the prompts to install the software When installation is complete Zlinx 485 Manager Zlinx 485 Firmware Updater and PDF files containing this manual and the Quick Start guide are accessible from the Windows Start menu Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics Connecting Zlinx 485 to a PC 1 With power disconnected connect the Base Module into the PC Shall change this diagram PC Figure 26 Connecting a PC and Base Module 2 Connect any required expansion modules to the base module The male local bus connector on the first expansion module plugs into the female connector on the base module The second expansion module plugs into the first etc 3 Connect the PC serial port to the Base Module using the supplied RJ45 male to serial DB9 female 6 ft cable 4 Re apply power to the Zlinx 485 Base Module The Power LED should light up Starting Zlinx 485 Manager 1 From the Windows Start menu start the Zlinx 48
3. Firmware Updater Program No Peer Peer communication link The serial connection is not established Verify that all parameters in the configuration tab in the programming software are correct e Too many expansion modules installed Only 6 expansion modules may be connected to any base module e Expansion modules in peer peer mode do not match In peer peer mode the master and slave must have the same number of expansion modules e Expansion module added removed without cycling power on base module The Zlinx 485 configures the base module and expansion modules on a cycle of power No damage occurs by adding removing a module hot Power will need to be cycled for the base module to update the expansion locations Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Terms and Definitions Appendix G Terms and Definitions Master node with I O Expansion module Expansion node that responds to master node Local bus B amp B proprietary RS 485 bus interconnection via 14 pin 2 mm header plug connector Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com
4. Input Protection Over voltage to 2x max input voltage Power Supply Voltage 10 VDC to 30 VDC Requirements Wire configuration 2 3 and 4 wire Type PT100 PT1000 Cu10 Optimized for temperature coefficient of 385 Optimized for temperature coefficient of 427 Input Connection 3 5mm removable terminal block 4 per output Temperature Range PT100 200 to 650 C PT1000 200 to 100 C Cu10 100 to 260 C Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Product Specifications Resolution 0 1 C across 40 to 85 C Accuracy 25 C 0 5 C typical Accuracy 40 to 85 C 2 0 C maximum Power Consumption ZZ Nx 485 1W ZZ 4AI 1W ZZ 4A0 1 1W ZZ 2AI2A0 1 2W ZZ 8DI DC 0 4W ZZ 8DO T 15 8W ZZ 8DO T1 1 1W ZZ 8DO R 3 2W ZZ 4DI4DO DCT 8 1W ZZ 4DI4DO DCT1 1 0W ZZ 4RTD1 0 4W Operating Temperature 40 to 80 C 40 to 176 F ZZ 8DO R 40 to 65 C 40 to 149 F Storage Temperature 40 to 85 C 40 to 185 F Humidity 10 to 90 R H non condensing Enclosure Rating IP30 Mounting DIN rail mount 35 mm Certifications FCC Part 15 Class A CISPR EN55022 Class A EN61000 6 1 Generic Standards for Residential Commercial amp Light Industrial EN61000 4 2 ESD EN61000 4 3 RFI EN61000 4 4 EFT EN61000 4 6 CI Accessories and Replacement 2ZZ DIN1 DIN clip and spring for all ZZ products 4 spare screws for enclosure Parts ZZ TB1 Removable
5. Modbus Basics e Hardware version number for each module Configuration Tab The Configuration tab contains fields that allow configuration of e Communications Modes Peer to Peer Master Peer to Peer Slave Modbus and related parameters Input Output Tab The Input Output tab contains e A tree structure listing input and output types for each module e Input and output configuration options Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics Chapter 4 Configuration amp Operation Zlinx 485 Manager software is used to configure Zlinx 485 hardware Using Zlinx 485 Manager the system can be configured to operate in Peer to Peer or Modbus modes receiving Modbus commands and data from a Modbus base module Digital inputs can be configured to operate in Discrete on off or Frequency Counter modes and analog inputs and outputs are configurable for voltage or current loop operation Configuring Zlinx 485 Zlinx 485 modules can be configured to operate as Modbus nodes or as serial links in Peer to Peer mode Configuring Modbus Mode When the Zlinx 485 receives a Modbus message to write to a discrete output Oxxxx addresses in its memory map the Zlinx 485 module turns on its corresponding digital output If a message containing holding register data is received 4xxxx addresses in its memory map the Zlinx 485 module converts the value to a voltage or current signal on the corresp
6. analog inputs J Power Analog Input 0 to 10 VDC Or 0 to 20 mA Analog Signal Figure 15 Typical Analog Inout Wiring ZZ9D NA MR Base Module AO Wiring The following diagram shows typical connection wiring for analog outputs Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Analog Output 0 to 10VDC Voltage Output Device Input Figure 16 Typical Analog Output Wiring ZZ9D NA MR Base Module RTD Wiring The following diagram shows typical connection wiring for RTD inputs RTD Input I 2 3 4 Wire R 3 4 Wire _ R 4 Wire l 2 3 4 Wire Figure 17 Typical RTD Input Wiring Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Figure 18 Relay Wiring The following diagram shows typical connection wiring for Relay outputs Relay Output jF a e ai Figure 19 Typical Relay Output Wiring Modbus Mode Configuration The Zlinx 485 Base module can be configured to operate in Modbus Mode In Modbus mode messages are sent across the physical layer wiring configuration from the Zlinx 485 base to the Modbus network To use Modbus mode successfully an understanding of the Zlinx 485 memory map assignments is necessary Modbus function codes supported Function 1 Read DO Status Function 2 Read DI s Function 3 Read AO Status Function 4 Read AI s Function 5 Write Single DO s Function 6 Write
7. and using your Zlinx 485 Base module Please read it carefully and follow the instructions to achieve best results Support For additional information on this and other B amp B products and for technical support call 815 433 5100 option 3 or access the B amp B Electronics website at www bb elec com Zlinx Product Family Zlinx 485 Base modules provide easy to use cost effective peer to peer or Modbus solutions Figure 1 A Zlinx ZZ NX485 Module Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Introduction The Zlinx 485 family of products features a selection of operational modes communications modes Modbus and I O combinations The system is scalable making it easy to start with a few I O points and build a system with the required I O Modbus mix Features Choice of number and type of digital and analog I O Supports RS 232 and RS 422 485 lines Sourcing or sinking digital outputs available Configurable NPN Sinking and PNP Sourcing digital inputs Flexible and scalable by adding expansion modules MODBUS and Peer to Peer communications modes Small economical and configurable Tolerates a wide operating temperature range Choice of a range of DC power sources Power Data and Bus LED s Removable screw terminal blocks for power supply and I O Modbus connections Zlinx 485 Manager configuration software DIN rail mountable Package Checklist Zlinx 485 Base modules are shipped wit
8. linked in a slave master connection to provide dependable direct serial communications com ni amp LH i Figure 2 Front View of Zlinx 485 Base and Expansion Modules Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Base Modules Each Zlinx 485 system is built around a base module Base modules provide Modbus digital and or analog I O and communicate with other Zlinx nodes DE z i ar 4 Figure 3 A Typical Base Module Several different combinations of digital inputs DI digital outputs DO analog inputs AI and analog outputs AO are available For example the ZZ NA 485 Base module features a combination of two AI s two AO s two DI s and two DO s in a package Expansion Modules Up to six expansion modules can be plugged into the base module to add more I O capabilities in any combination needed For example the ZZ 8DO T Expansion module provides eight additional digital outputs the ZZ 2AI2AO provides two analog inputs and two analog outputs Refer to Appendix E for a list of Zlinx 485 models and features Expansion modules connect to base modules by plugging the modules together engaging the local bus connectors located on the sides of the boxes Male plugs on expansion modules plug into female connectors on the side of the base module or other expansion modules resulting in a horizontal stack wit
9. terminal block for all ZZ modules Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Dimensional Diagrams Appendix B Dimensional Diagrams T k 1 TE a en Li ai i jedi J ur i i i a sal a Hy i ee ae i I Figure 37 Dimensional Diagram of a Zlinx 485 Base Module Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Serial Connections Appendix C Serial Connections RS 232 Pinouts RJ 45 Connector female front view Receive roaa RD NotUsed Figure 38 RS 232 Connections for RJ45 type plug Note PIN 4 RTS is reserved for the configuration software only Asserting RTS during normal operation will result in a communication failure Disable RTS if your hardware supports it RJ45 Male to RS 232 Female Pinout Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Serial Connections a DBO FEMAL 2 Ry45 male DB female SignalName Direction _ pt Signal Ground Signal Ground 3 Receive Data 2 rani Data our 7 __ Clear to Send IN 6 8 Request to Send OUT o 7 9 NotUsed o 8 9 Notused Figure 39 RJ45 Male to RS232 female adapter cable RS 422 485 4 Wire Pinouts TDA 1 TDB 2 RDA 3 RDB 4 GND 5 Signal Name Label Direction Terminal Transmit Data TDA Out __ Transmit Data TDB Out Receive
10. the furnishing performance or use of this manual All brand names used in this manual are the registered trademarks of their respective owners The use of trademarks or other designations in this publication is for reference purposes only and does not constitute an endorsement by the trademark holder Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Introduction Table of Contents Chapter 1 INFO UI OR sa nn aan see usa sea aie aan ders 2 ADOUT IRIS MATOS ne ne amaii 2 SUPPO D PAPA ER OP REED D Eee 2 LUDO PI OQUCE Family a nb 2 OURS em Eee ee eee BE eEe 3 PACKAGES CNGCKIS p en Lerer 3 Chapter 2 Hardware ns ses dense sance ei nn 3 Zlinx 485 Modules ee en ns eee ann eee eee eee ELERS 3 Indicators Connectors and Accessories c ccccsscsecesceenecnsceeeeneensenseeseeneensenesesseeas 6 I O Options and Characteristics 2 dns EEN 11 Zlinx 485 Modes of Operation ccccccesseeceeseeceseeseeseecenseesonseesenseeoenseseensesseneenes 18 Connecting the Hardware 22222 ELEEES 19 Chapter 3 Getting STAR eee EET 21 ZO 485 Installato sossa aaa 21 Computer System RequireMents cccscsccceseccceseeseeseeeeeseeseeneesenseeeenseesensessenness 21 Installing Zlinx 485 Software cccccceeseceeeneeeeeseeceeseesenseesenseeseaseesenseseensesoeaeesoonees 21 Connecting Zlinx 485 to a PC anna sannsanmnen semence 22 Starting Zlinx 485 Managetl cccccssecssseecesseecessee
11. to Single AO Function 15 Write to Multiple DO s Messages sent between Zlinx 485 and a Modbus node use Modbus memory addresses to specify what type of information is being sent and where it is stored In the Modbus addressing scheme each type of I O DO DI AI and AO is stored in a different section of the memory Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Modbus Memory V0 Type Address DO 00001t000112 DI 10001t010112 30001 to 30112 Figure 20 I O Memory Areas Table Within these sections addresses are reserved for all Zlinx 485 modules that may be used x0001 to x0016 x0017 to x0032 x0033 to x0048 Figure 21 Module I O Addressing Table The following examples show how the addressing works Example 1 To turn on the second digital output DO2 on the Base Module the Modbus Base Module sends a message placing a logic 1 in memory location 00002 Example 2 To cause expansion module 3 to output a specified voltage on AOI the Modbus Base Module sends a message to set the register at Modbus address 40049 to the appropriate value A list of all Modbus address assignments for all Zlinx 485 points is shown in Appendix D Several important points about this list should be noted e Some addresses are listed but not implemented in current versions of Zlinx 485 hardware e Some addresses are reserved for internal Zlinx 485 use e Some addresses are reserved fo
12. wiring the Zlinx 485 Base module is connected to the Modbus device via the RS 422 485 terminal block In RS 422 485 four wire mode a cable containing two pairs and a ground shield is used In RS 485 two wire mode a cable containing one pair and a ground shield is used Power 1s supplied to the converter via the power supply terminal block Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware RS 485 Modbus 2 Wire PC with Device Installer s w R5485 Modbus 2 Wire Modbus RTU Slave kD Modbus RTU SRE DC Power Suppl ower SU Modbus RTU PPY Slave e g PLC Figure 24 Zlinx Base Module 2 wire RS 485 Connections RS 232 Modbus 4 Wire Mak Modbus RTU Slave e g PLC RS 232 DC Power Supply LE PC with Device Installer s w Figure 25 Zlinx Base Module 4 wire RS 232 Connections Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics Chapter 3 Getting Started Zlinx 485 Installation Zlinx 485 Mounting Zlinx 485 modules are DIN rail mountable Additional ZZ DIN1 mounting kits can be purchased for replacement Each kit includes a DIN clip and spring and four spare screws for the Zlinx 485 enclosure Computer System Requirements The Zlinx 485 Manager software requires the following computer hardware and operating systems e A PC with one serial port available between COM1 and
13. 485 Parity Supports the following parity types None v None Oldd and E ven Stop bits RS422 RS485 Data Bytes i bit Supports the following serial data bytes types 8 data bits RS422 RS485 Stop Bits vl Update Exit COM4 115200 n 8 1 n0o flow control Figure 31 Configuration Tab with Default Values Testing Modbus Mode Operation Using a Modbus base module a PC and Modbus simulation software e g Modscan you can test the link and hardware and investigate the operation of the Zlinx 485 Modscan 1s a Windows application that simulates a Modbus master node You can read from and write to memory locations on the Zlinx 485 Modscan 1s available as a fully functional time limited demo from www win tech com and more information on the basics of Modbus 1s available at www bb elec com Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics Peer to Peer Mode Settings In Peer to Peer mode digital and analog signals can be transferred in both directions across a Zlinx 485 link For successful communication both base modules must be the same model and all expansion modules must be complimentary e g DI to DO AI to AO and arranged in the same order on the Local Bus One is configured as Peer to Peer Master and other is configured as Peer to Peer slave It does not matter which one is configured as master Additionally Peer to Peer Master address MUST match the Peer to Pe
14. 5 Manager software The Zlinx 485 splash window appears briefly followed by the discovery window 2 The Connection drop down list defaults to Automatic discovery The software scans through COM ports looking for Zlinx 485 devices The scan starts with the most recently used serial port in which a device was found Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Connection Automatic Progress COM does not or the module Looking for the COM does not Looking for the COMS does not connection to the device device on COM have a cable connected does not have power device on COM exist device on COM3 exist device on COM4 Figure 27 Discovery Window Modbus Basics During the scan the Progress box displays information about the scanning process If a device 1s not found at the most recently successful port it continues to scan through COM ports I to 16 The bar graph near the bottom of the window indicates progress If the device is not found the Progress box displays The device was not found on any serial port a Check the power supply and serial cable connections b Click the Connect button The connection process will be repeated and the device should be found specified If Automatic connection is not desired a particular COM port 1 to 16 can be a Select the COM port number from the Connection drop down list b Click the Connect button t
15. 8DO R ZZ 4RTD1 Model Number ZZ TB1 ZZ DIN1 Zlinx 485 Base Modules Module Type Protocols Base Modbus Digital I O Analog I O Base Modbus Digital I O Analog I O Base Modbus Digital I O Analog 1 0 Base Modbus Digital I O Analog I O Expansion Modules Type I O Analog Input Module 4Al Analog Output Module 4AO Analog Input Output Module 2Al 2AO Digital Input Module 8D Digital Output Module 8DO Digital Output Module 8DO Digital Input Output Module 4DI 4DO Digital Input Output Module 4DI 4DO Digital Output Module 8DO Analog Input Module 4Al Description Accessories Removable terminal block replacement kit DIN rail mounting kit I O RS 422 485 RS 232 2DI 2DO 2Al 2AO sourcing DO s RS 422 485 RS 232 4DI 4D0 sourcing DO s RS 422 485 RS 232 2DI 2DO 2Al 2AO sinking DO s RS 422 485 RS 232 4DI 4D0 sinking DO s I O Types mA V mA V mA V Pull up R sourcing sinking sourcing sinking relays RTD Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Zlinx 485 Troubleshooting Appendix F Zlinx 485 Troubleshooting Problem Causes Data LED and Bus LED e Firmware does not match intermittently blink The firmware for all base modules must match and the firmware for all expansion modules must match The firmware rev number may be viewed on the information tab of the configuration software lf the firmware does not match then update the firmware with the
16. Channel Enabled option 4 Select the RTD type as PT100 PT1000 CU10 depending on your RTD type 5 Select if you have wired a 2 3 or 4 wire RTD probe to the input module Setting the Analog Mode of one Al or AO sets all A s and AO s on that module to the same mode Saving the Configuration When all configuration settings are complete click the Update button to save them in the Zlinx 485 Base and Expansion modules 1 The Progress bar at the bottom of the windows shows the progress of the update 2 The Status bar displays the following text Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com 3 Modbus Basics Sending module parameters to the base module When the updating process is complete the Status bar displays the message The configuration has been sent successfully Updating Zlinx 485 Firmware From time to time updated firmware may become available for Zlinx 485 modules from the B amp B Electronics website When the Zlinx 485 Manager software is installed on your computer the Zlinx 485 Updater software is also installed This can be used to update the firmware in your Zlinx 485 modules The following procedure describes the firmware updating process 4 5 Disconnect power from the base module Disconnect all modules from external equipment The easiest way to disconnect is to unplug all terminal blocks Connect expansion modules requiring updates to the base mo
17. Data RDA In Receive Data RDB In Signal Ground COM COM 5 Figure 40 Zlinx Base Module Terminal Block Pin out for RS 422 485 Four Wire Operation Note 4 Wire Connections must be wired as Mater Slave Refer to B amp B Electronics RS 485 Application Note RS 485 2 Wire Pinouts Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Serial Connections TDA 1 TDB 2 RDA 3 RDB 4 GND 5 Signal Name _ Label Direction Terminal DataA TDAH mou 1 DataB TDB Out 2 aa Not F DAC Not H RDB o 4 Signal Grouna com coM s Figure 41 Zlinx 485 Base Module Terminal Block Pin out for RS 485 Two Wire Operation Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus I O Assignments Appendix D Modbus I O Assignments 00001 00112 Discrete Digital Outputs Modbus function codes supported are Function 1 Read DO Status Function 2 Read DI s Function 3 Read AO Status Function 4 Read Al s Function 5 Write to Single DO firmware v2 0 or higher Function 6 Write to Single AO Function 15 Write to Multi DO s Modbus Address Description Bytes Count V Range Base Digital Output 1 Refer to Appendix A Base Digital Output 2 Refer to Appendix A Base Digital Output 3 Refer to Ap
18. Digital Output 11 Refer to Appendix A Refer to Appendix A EXP 5 Digital Output 12 Refer to Appendix A EXP 5 Digital Output 13 Refer to Appendix A EXP 5 Digital Output 14 Refer to Appendix A EXP 5 Digital Output 15 Refer to Appendix A EXP 5 Digital Output 16 EXP 6 Digital Output 1 Refer to Appendix A Refer to Appendix A EXP 6 Digital Output 2 Refer to Appendix A EXP 6 Digital Output 3 Refer to Appendix A EXP 6 Digital Output 4 Refer to Appendix A EXP 6 Digital Output 5 Refer to Appendix A EXP 6 Digital Output 6 Refer to Appendix A EXP 6 Digital Output 7 Refer to Appendix A EXP 6 Digital Output 8 Refer to Appendix A EXP 6 Digital Output 9 EXP 6 Digital Output 10 Refer to Appendix A Refer to Appendix A EXP 6 Digital Output 1 1 Refer to Appendix A EXP 6 Digital Output 12 Refer to Appendix A EXP 6 Digital Output 13 Refer to Appendix A EXP 6 Digital Output 14 Refer to Appendix A EXP 6 Digital Output 15 Refer to Appendix A EXP 6 Digital Output 16 Refer to Appendix A Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Zlinx 485 Models and Features Appendix E Zlinx 485 Models and Features Model Number ZZNA 485 ZZ NB 485 ZZ NC 485 ZZ ND 485 Model Number ZZ 4Al ZZ 4A0 ZZ 2AI2A0 ZZ 8DI DC ZZ 8DO T ZZ 8DO T1 ZZ 4DI4D0 DCT ZZ 4DI4D0 DCTi ZZ
19. Digital Output 15 Refer to Appendix A EXP 3 Digital Output 16 Refer to Appendix A EXP 4 Digital Output 1 Refer to Appendix A EXP 4 Digital Output 2 Refer to Appendix A EXP 4 Digital Output 3 Refer to Appendix A EXP 4 Digital Output 4 Refer to Appendix A EXP 4 Digital Output 5 Refer to Appendix A EXP 4 Digital Output 6 Refer to Appendix A EXP 4 Digital Output 7 Refer to Appendix 00072 EXP 4 Digital Output 8 0 1 Refer to Appendix 00073 EXP 4 Digital Output 9 0 1 Refer to Appendix EXP 4 Digital Output 10 Refer to Appendix EXP 4 Digital Output 11 Refer to Appendix EXP 4 Digital Output 12 Refer to Appendix EXP 4 Digital Output 13 Refer to Appendix EXP 4 Digital Output 14 Refer to Appendix EXP 4 Digital Output 15 Refer to Appendix EXP 4 Digital Output 16 Refer to Appendix 00081 EXP 5 Digital Output 1 0 1 Refer to Appendix 00082 EXP 5 Digital Output 2 0 1 Refer to Appendix 00083 EXP 5 Digital Output 3 0 1 Refer to Appendix 00084 EXP 5 Digital Output 4 0 1 Refer to Appendix 00085 EXP 5 Digital Output 5 0 1 Refer to Appendix Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com EXP 5 Digital Output 6 Modbus I O Assignments Modbus Address Description Bytes Count V Range Refer to Appendix A EXP 5 Digital Output 7 EXP 5 Digital Output 8 Refer to Appendix A Refer to Appendix A EXP 5 Digital Output 9 Refer to Appendix A EXP 5 Digital Output 10 EXP 5
20. Z 241240 Digital Outputs Base Module Z29D NB LR Digital Output 1 Digital Output 2 Digital Output 3 Update Exit COM2 115200 n 8 1 no flow control i Figure 34 Digital Inout Configuration 2 Select the Digital Input to be configured 3 Select Discrete or Frequency Counter for the first two inputs only Do NOT exceed 5 kHz for frequency input Setting the Digital Mode of either of the first two DI s to Frequency Mode sets both DI s on that module to the same mode Do NOT exceed 5 kHz for frequency input 4 Select the Analog Input to be configured 5 Select the required Analog Mode 0 to 10 VDC or 0 to 20 mA Setting the Analog Mode of one Al or AO sets all Al s and AO s on that module to the same mode Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com 7 Modbus Basics Information Configuration Input Output Module Configuration Discrete This is a discrete ON OFF input The range is 0 48 VDC Analog Inputs m Analog Input 1 Base Module Z29D NB LR m Analog Mode El Expansion Module 1 2Z 241240 The analog mode affects all analog inputs and Analog Input 1 all analog outputs of the module Frequency Analog Input 2 This selection will calculate the frequency PEE EE RER from the pulsing input of 0 48 VDC The Analog Outputs Oto 10 VDC C Oto 20 m range is 0 5 KHz Base Module Z29D NB LR El Expansion Modul
21. Zlinx 485 electronics MANUFACTURING COMPANY Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Zlinx 485 Documentation Number Zlinx485m 1808 This product was designed and manufactured in Ottawa Illinois USA Using domestic and imported parts by m r electronics MANUFACTURING COMPANY International Headquarters B amp B Electronics Mfg Co Inc 707 Dayton Road Ottawa IL 61350 USA Phone 815 433 5100 General Fax 815 433 5105 Website www bb elec com Sales e mail orders amp bb elec com Fax 815 433 5109 Technical Support e mail support bb elec com Fax 815 433 5104 European Headquarters B amp B Electronics Ltd Westlink Commercial Park Oranmore Co Galway Ireland Phone 353 91 792444 Fax 353 91 792445 Website www bb europe com Sales e mail sales bb europe com Technical Support e mail support bb europe com Revision Original April 2008 2008 B amp B Electronics Mfg Co Inc No part of this publication may be reproduced or transmitted in any form or by any means electronic or mechanical including photography recording or any information storage and retrieval system without written consent Information in this manual is subject to change without notice and does not represent a commitment on the part B amp B Electronics Mfg Co Inc B amp B Electronics Mfg Co Inc shall not be liable for incidental or consequential damages resulting from
22. ad the firmware into the module When all updates are complete click Exit Before reconnecting the I O run the Zlinx 485 Manager software and check to ensure all modules are configured properly When the configuration check is complete a Exit the Zlinx 485 Manager program b Disconnect power from the Base Module c Reconnect the I O Re connect power to the Base Module Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics Chapter 5 Modbus Help Modbus ASCII RTU Basics The Modbus protocol emerged in the mid 1970s as an early protocol for linking terminals with Modicon PLCs using a master slave sometimes called a master client relationship A simple open message based protocol it caught on quickly and became a defacto standard in the industry It supports asynchronous point to point and multidrop communications and can be used with a variety of serial interfaces RS 232 RS 422 RS 485 modems etc The original Modbus specification included two possible transmission modes ASCII and RTU Modbus RTU mode is the most common implementation using binary coding and CRC error checking Modbus ASCII messages though somewhat more readable because they use ASCII characters is less efficient and uses less effective LRC error checking ASCII mode uses ASCII characters to begin and end messages whereas RTU uses time gaps 3 5 character times of silence for framing The two modes are incom
23. cesseecenseseesseneessesenseesensesseneesses 22 Chapter 4 Configuration amp Operation ccccssseesssseecseseecesseecenseeeensesenseseenseseens 26 Configuring Zlinx 485 222 26 Peer to Peer Mode Settings is EEN 28 Updating Zinx 485 FIFHMATE sn aai eaaa aaa aaa encre nee 33 Chapter 5 Modbus POIDS sen ea ess 35 Modbus ASCII RTU Basics un EEN 35 PUTTS 9 Ce HR FT e e E ER EE 36 Appendix A Product Specifications ccccccsseccseseeseeseeseeneesesneesenseesenseesenseesoaes 37 Appendix B Dimensional DiaQrams cccsscsesseeeseeeseeeeeeeeseeeeeeeaseonseeeaeeeaeeoeeeneaes 40 Appendix C Serial Connections ccccceeseeseeseeeeeneeseeseeseeneesenneeeenneesenseeseneessoaes 41 Appendix D Modbus 1 0 Assignments ssscceeseeeeeseeseeneesenneesenseesenneesenseesones 44 Appendix E Zlinx 485 Models and Features ccscccceeeeeeeeeeeeeeeeeeeeeneeeeneeeeaeeaenees 47 Appendix F Zlinx 485 Troubleshooting ss sssnnnmmnnenmnnnnnnrs 48 Appendix G Terms and Definitions ns EEN 49 Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Introduction Chapter 1 Introduction Thank you for purchasing a Zlinx 485 product This product has been manufactured to the highest standards of quality and performance to ensure your complete satisfaction About this Manual This manual has been created to assist you in installing configuring
24. ctions for Terminal 1 TDA Terminal 2 TDB Terminal 3 RDA Terminal 4 RDB Terminal 5 GND Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Figure 8 Zlinx 485 Base Module RS 422 485 Connector RS 422 485 Four Wire Mode When the Zlinx Base module is configured to operate in RS 422 485 four wire mode the receive terminals are connected to the transmit terminals of the Modbus device it is communicating with Its transmit terminals are connected to the receive terminals of the Modbus device it is communicating with mw RS 422 485 Z TA Four Wire 6 TDB Modbus Device Figure 9 RS 422 485 Four Wire Connection RS 422 485 Two Wire Mode When the Zlinx Base module is configured to operate in RS 485 two wire mode RS 422 485 switch in the right position the two wire RS 485 two wire communications cable pair is connected to Terminals TDB and TDA The communications cable ground shield is connected to GND Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware To other devices on the multidrop bus RS 485 Two Wire Modbus Device Figure 10 RS 485 Two Wire Connection No jumpers are required to bridge the transmit and receive lines in two wire mode RS 232 Connection Connect to RS 232 using the RJ45 jack on the front Base module using the supplied RJ45 male to serial DB9 female cable Note RTS is
25. dule The male local bus connector on the first expansion module plugs into the female connector on the base module The second expansion module plugs into the first etc Connect the PC serial port COM 1 to 16 to the base module using the supplied RJ45 male to serial DB9 female cable From the Windows Start menu start the Zlinx 485 Firmware Updater software The Zlinx 485 Firmware Updater Caution dialog box appears Connector Connect Exit Disconnect all modules from external equipment before updating any module s firmware Pressing the Connect button wall put all modules in firmware update mode and all modules will cease normal operation until this program exits After a module s firmware has been updated the module must be configured before external equipment i reconnected Figure 36 Firmware Updater Caution Dialog Box 10 Select the COM port from the Connection drop down list Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com 11 12 13 14 15 16 17 18 19 20 Modbus Basics Click Connect Re apply power to the Zlinx 485 Base module The Power LED should light up The Zlinx 485 Firmware Updater window opens and displays a list of the base and expansion modules On the module list select the base or expansion module to be updated In the Firmware Image drop down box select the image file hex Click the Program button to lo
26. e 1 ZZ 241240 Analog Output 1 Analog Output 2 Digital Inputs E Base Module Z29D NB LR Digital Input 1 Digital Input 2 Digital Input 3 Digital Input 4 Expansion Module 1 ZZ 241240 Digital Outputs Base Module 229D NB LF Digital Output 1 Digital Output 2 Digital Output 3 Update Exit COM2 115200 n 8 1 no flow control Le Figure 35 Analog Input Configuration Select the Analog Output to be configured Select the required Analog Mode 0 to 10 VDC or 0 to 20 mA If RTD module present then I Select the Input Output tab Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics File Help Information Configuration Input 2 Output ATO Input 1 Analog Inputs Base Module 2290 HA A ATO Channel ATO Type a Pt100 TCR 0 00395 oo RTD Input Pt1000 TCR 0 0385 2 ATD Input 3 C Cu10 TCR 0 00427 amas ATO Input 4 Expansion Module 2 ZZ 4ATD1 RTD Connection RTD out Fame Came Came mes RTD Input 2 me RTD Input 3 boer ATD Input 4 a ee Analog Outputs Update E sit COM1 115200 n 6 1 n0 How control Pe 2 An input tree appears listing all base and expansion modules in the system and the inputs available on them 2 Select the RTD to be configured 3 To increase speed RTD channels may be turned on or off If nothing is connected to the RTD channel then uncheck the
27. er Slave address 1 255 Peer to Peer Master To configure the Zlinx 485 Base module for Peer to Peer Master mode 1 Select the Configuration tab 2 Select the Peer to Peer Master option button Information Configuration Input Output bo ee Hatar Serial Setup Communication Mode rates Serial mode Peer to Peer Master 1200 2400 4800 9600 19200 5232 C PeertoPeer Slave 38400 57600 115200 230400 Baud rate MERE RS422 RS485 Types 115200 Pos Pre Mater Supports the following serial 7 hardware types Data bits alasa ca R5232 R5422 RS485 2 Wire and pe R5422 R9495 4 Wire I v Polling Rate 0 20 Retry Count 10 255 RS422 RS485 Parity Parity a 10 Supports the following parity types None v a Njone 0 dd and E ven Stop bits RS422 RS485 Data Bytes 1 bit v Supports the following serial data bytes types 8 data bits RS422 RS485 Stop Bits v Update Exit CO0M4 115200 n 8 1 n0o flow control Figure 32 Peer to Peer Master Configuration 3 Set the Peer to Peer Master address from 1 to 255 Please note the Peer to Peer Slave address must also match 4 The Polling Rate box contains the number of seconds between polls by the master The default value of 1 second is usually satisfactory The range of values is 0 to 20 seconds If the I O points are not updating properly try increasing the value 5 The Retry Count box contains the number of attempts that will be made to com
28. ettings Digital inputs and analog inputs outputs on Zlinx 485 modules are configured from the Input Output tab of the Zlinx 485 Manager The first two digital inputs on any module can be configured as Discrete inputs or Frequency Counter inputs Any additional digital inputs operate as Discrete inputs only Frequency Counter operation is only functional when the Zlinx 485 is set up in Modbus mode Analog inputs and outputs can be configured for voltage or current loop operation To configure digital and analog I O 1 Select the Input Output tab Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics An input tree appears listing all base and expansion modules in the system and the inputs available on them File Help Information Configuration Input Output Module Configuration Discrete This is a discrete ON OFF input The range is 0 48 VDC Analog Inputs Digital Input 1 Base Module Z29D NB LR r Digital Mode E Expansion Module 1 ZZ 241240 Discrete C Frequency Analog Input 1 ESS Frequency _ Analog Input 2 selection will calculate the frequency rom the pulsing input of 0 48 VDC The Analog Outputs range is 0 5 KH Base Module ZZSD NE LR El Expansion Module 1 22 24 240 Analog Output 1 Analog Output 2 Digital Inputs Base Module Z29D NB LR Digital Input 1 Digital Input 2 Digital Input 3 Digital Input 4 Expansion Module 1 Z
29. h the base module on the left and expansion modules extending to the right Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Figure 4 Base and Expansion Modules Connected Together Programming the Base Module using the RS232 connector The base module has a programming feature that can be used to configure that base module as well as expansion modules The base module connects to the PC for configuration Connect a PC through the serial port COM1 to 16 using the provided RJ45 male to serial DB9 female cable Note A standard RJ45 to serial DB9 cable will not work use only the one supplied PC Figure 5 Connecting a PC and Base Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Indicators Connectors and Accessories LED Indicators Zlinx 485 Base modules have three LED indicators a Power LED a Data LED and a Local Bus Data LED Expansion modules have two LED s a Power LED and a Local Bus Data LED Power LED The Power LED illuminates red immediately on power up indicating that DC power is present on the power supply terminals Data LED The Data LED blinks green when data is being transmitted or received either to an expansion module or another base module When the LED is off no data is being transmitted or received Bus LED The Bus LED blinks green when data is being transmitted or received on the local b
30. h the following items included v v v v Zlinx 485 Base module A printed version of the Zlinx 485 Quick Start guide CD ROM disc with Zlinx 485 Manager configuration software Zlinx 485 Firmware Updater This manual in PDF format A quick start guide in PDF format 6 foot RJ45 male to serial DB9 female adapter cable Expansion modules are shipped with the following items included v Zlinx 485 Expansion module v A printed version of the Zlinx 485 Quick Start guide Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Chapter 2 Hardware Zlinx 485 encompasses a growing family of products including Modbus Peer to Peer base modules expansion modules configuration software and accessories All modules are built into similar enclosures featuring male local bus plugs and female local bus receptacles on the sides which allow modules to connect together Modules are DIN rail mountable and feature removable screw terminal blocks Zlinx 485 Modules Zlinx 485 systems consist of base modules and expansion modules Expansion modules are configured using a base module which also has programming capabilities The base module is connected to a PC that is running the Zlinx 485 Manager software Zlinx 485 systems can operate in Modbus or Peer to Peer modes In Modbus mode a Zlinx 485 system exchanges Modbus messages with a Modbus capable base module In Peer to peer mode two Zlinx 485 systems are
31. itional features and options Refer to Appendix E for a list of available models and options I O Types and Characteristics Digital Inputs DI s can detect the presence of contact closures transistor switches or on off DC voltage signals low or high logic levels Voltages below 0 8 VDC are interpreted as a low state Voltages between 4 0 VDC and 48 VDC are interpreted as a high state DI s are also programmable to be NPN or PNP Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Digital Outputs Digital outputs send on off signals low or high logic levels to drive external devices such as indicators relay coils or the inputs of other equipment such as PLC s SCADA etc Modules with digital outputs are available with sourcing or sinking drivers Sourcing PNP transistor drivers provide up to 240 mA per output at output voltages up to 30 VDC to connected loads Sinking NPN transistor drivers can sink up to 40 mA per output at voltages up to 48 VDC Analog Inputs Analog inputs accept voltage current signals or RTD temperature signals When configured as voltage inputs the full range is 0 to 10 VDC When configured as current inputs the full range is 0 to 20 mA and the input resistance is 240 ohms When configured as RTD input the allowable sensor types are PT100 PT1000 for CU10 Analog Outputs Analog outputs produce voltage or current output signals When configured as voltage
32. l Output 4 0 1 Refer to Appendix Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com EXP 2 Digital Output 5 Modbus I O Assignments Modbus Address Description Bytes Count V Range Refer to Appendix A EXP 2 Digital Output 6 Refer to Appendix A EXP 2 Digital Output 7 Refer to Appendix A EXP 2 Digital Output 8 Refer to Appendix A EXP 2 Digital Output 9 Refer to Appendix A EXP 2 Digital Output 10 Refer to Appendix A EXP 2 Digital Output 1 1 Refer to Appendix A EXP 2 Digital Output 12 Refer to Appendix A EXP 2 Digital Output 13 Refer to Appendix A EXP 2 Digital Output 14 Refer to Appendix A EXP 2 Digital Output 15 Refer to Appendix A EXP 2 Digital Output 16 Refer to Appendix A EXP 3 Digital Output 1 Refer to Appendix A EXP 3 Digital Output 2 Refer to Appendix A EXP 3 Digital Output 3 Refer to Appendix A EXP 3 Digital Output 4 Refer to Appendix A EXP 3 Digital Output 5 Refer to Appendix A EXP 3 Digital Output 6 Refer to Appendix A EXP 3 Digital Output 7 Refer to Appendix A EXP 3 Digital Output 8 Refer to Appendix A EXP 3 Digital Output 9 Refer to Appendix A EXP 3 Digital Output 10 Refer to Appendix A EXP 3 Digital Output 1 1 Refer to Appendix A EXP 3 Digital Output 12 Refer to Appendix A EXP 3 Digital Output 13 Refer to Appendix A EXP 3 Digital Output 14 Refer to Appendix A EXP 3
33. municate with the slave device before the module indicates communication has Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics been lost Lost communication is indicated by the Bus LED s blinking alternately The default value of 10 is usually satisfactory The range of values is 10 to 255 Peer to Peer Slave To configure the Zlinx 485 Base Module for Peer to Peer Slave Mode 1 Select the Configuration tab 2 Select the Peer to Peer Slave option button 3 Set the Peer to Peer Slave address from 1 to 255 Please note the Peer to Peer Master address must also match File Help RS422 RS485 Baud Rates A Information Configuration Input Output Supports the following serial baud Serial Setup Communication Mode rates Serial mode C Peer to Peer Master 1200 2400 4800 9600 19200 RS 232 38400 57600 115200 230400 Baud rate Modbus RS422 RS485 Types 115200 Peer to Peer Slave Supports the following serial hardware types Data bits Address 1 255 R5232 R5422 R5485 2 Wire and 8 bit z RS422 RS485 Parity R5422 R5485 4 Wire Parity Supports the following parity types None v Njone Oldd and E ven Stop bits RS422 RS485 Data Bytes fi bit v Supports the following serial data bytes types 8 data bits RS422 RS485 Stop Bits v Update Exit COM4 115200_n 8 1 no flow control Figure 33 Peer to Peer Slave Configuration Input Output S
34. o initiate the connection process Clicking the Stop button stops the module discovery process 5 Ifthe device is found the Zlinx 485 Manager window opens Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com File Help Base Module 77 NA 485 Firmware Version 0 20 Hardware Version Expansion Module 1 2 40 140 0 DCT Firmware Version 2 00 Hardware Version 6 COM4115200 1 6 1 no flow control Figure 28 The Zlinx 485 Manager window contains e File and Help menus Modbus Basics Module Configuration Verify all settings in Configuration and Input Output tabs Refer to the manual for detailed explanations of the parameters Update Exit Zlinx 485 Manager e Three tabbed panes Information Configuration and Input Output e lt A Help sidebar containing information and hints related to the current tab e A graphic display of the base and expansion Modules discovered e A Status bar at the bottom showing the COM port and communications parameters baud rate parity data bits stop bits and flow control e An Update button used to save configuration parameters to the modules e An Exit button Information Tab The Information tab displays a tree structure listing e Base and expansion modules detected and their model numbers e Firmware version number for each module Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com
35. onding analog output ee Intelligent Modbus Controller OUTPUT 8XRelay 10A Figure 29 Modbus Mode devices may be PLCs RTUs DCSs or other Modbus devices with links up to 32 nodes per Modbus network Figure 30 Digital and analog signals applied to the Zlinx 485 Expansion module s input terminals are converted to Modbus messages to be sent back to the base module Digital inputs are Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics stored as 1xxxx coil addresses analog inputs are converted to 12 bit binary values and stored in 3xxxx input register addresses To configure the Zlinx 485 for Modbus mode 1 Select the Configuration tab 2 Select the Modbus option button 3 In the Modbus Address box type the Modbus address to be used Modbus address 0 is reserved for master systems that do not support broadcasts The allowable range of Modbus addresses 1s from 1 to 247 The default Modbus address is 1 File Help RS422 RS485 Baud Rates a Input 4 Output Supports the following serial baud a Serial Setup Communication Mode rates Serial mode Peer to Peer Master 1200 2400 4800 9600 19200 wegen pa enue Cece 38400 57600 115200 230400 renere Modbus RS422 RS485 Types Supports the following serial 115200 v Modbus hardware types Data bits Address 1 247 R5232 RS422 RS485 2 Wire and i 2 R5422 R5485 4 Wire 8 bit v xi Parity RS422 RS
36. one end of the link is a ZZ 4AI 4 analog inputs expansion module 1 on the other end of the link must be a ZZ 4AO 4 analog outputs HE Li ma Bii oy E om Dis Figure 22 Peer to Peer Mode Modbus Mode In Modbus mode standard Modbus messages can be sent and received between a Modbus Base Module and a Zlinx 485 system Data written to output addresses in the Zlinx 485 results in signals appearing on its outputs Signals connected to Zlinx 485 inputs are converted and stored in Modbus input memory locations and then sent across the link as Modbus messages to the Modbus Base Module Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Es Intelligent Modbus Controller OUTPUT 8XRelay 10A Figure 23 Modbus Mode devices may be PLCs RTUs DCSs or other Modbus devices with links up to 32 nodes per Modbus network Connecting the Hardware With an RS 232 connection the Zlinx 485 Base module is connected to a Modbus device via a DB 9M connector and an RS 232 cable If the connected Modbus device is configured as a DTE device use a straight through cable If the connected Modbus device is configured as a DCE device use a null modem cable Always check the interface specifications of the Modbus device to determine whether it is a DTE or DCE before connecting RS 232 may be connected to a PC using an RS 485 Converter to allow using Modscan 32 to poll the registers For RS 422 485
37. patible so a device configured for ASCH mode cannot communicate with one using RTU All Modbus communications are initiated by Modbus masters using a polling query response format The master can send broadcast messages using a slave address of 0 which all slaves accept but do not reply to More commonly the master polls individual slaves sequentially In each poll it sends a message containing a device address followed by a function code any data that maybe required and an error check field The addressed slave responds with a similar message structure Typically it repeats back its address and the function code and then sends a field indicating the number of bytes of data it is sending followed by the data and the error check field Slave addresses can range from to 247 Function codes include several common ones typically used in all applications and additional ones that may be implemented in specific cases Common function codes include Read Coil Status 01 Read Input Status 02 Read Holding Registers 03 and Read Input Registers 04 When a master sends a message to a slave it expects to receive a valid response within certain length of time If the slave does not receive the message or if the slave receives the message but an error is detected it does not respond If the slave cannot respond appropriately for some other reason e g it does not recognize the function code it will return a message containing an exception res
38. pendix A Base Digital Output 4 Refer to Appendix A Base Digital Output 5 Refer to Appendix A Base Digital Output 6 Refer to Appendix A Base Digital Output 7 Refer to Appendix A Base Digital Output 8 Refer to Appendix A Base Digital Output 9 Refer to Appendix A Base Digital Output 10 Refer to Appendix A Base Digital Output 1 1 Refer to Appendix A Base Digital Output 12 Refer to Appendix A Base Digital Output 13 Refer to Appendix A Base Digital Output 14 Refer to Appendix A Base Digital Output 15 Refer to Appendix A Base Digital Output 16 Refer to Appendix A EXP 1 Digital Output 1 Refer to Appendix A EXP 1 Digital Output 2 Refer to Appendix A EXP 1 Digital Output 3 Refer to Appendix A EXP 1 Digital Output 4 Refer to Appendix A EXP 1 Digital Output 5 Refer to Appendix A EXP 1 Digital Output 6 Refer to Appendix A EXP 1 Digital Output 7 Refer to Appendix A EXP 1 Digital Output 8 Refer to Appendix A EXP 1 Digital Output 9 Refer to Appendix A EXP 1 Digital Output 10 Refer to Appendix A EXP 1 Digital Output 1 1 Refer to Appendix A EXP 1 Digital Output 12 Refer to Appendix A EXP 1 Digital Output 13 Refer to Appendix A EXP 1 Digital Output 14 Refer to Appendix A EXP 1 Digital Output 15 Refer to Appendix A EXP 1 Digital Output 16 Refer to Appendix A 00033 EXP 2 Digital Output 1 0 1 Refer to Appendix A 00034 EXP 2 Digital Output 2 0 1 Refer to Appendix A 00035 EXP 2 Digital Output 3 0 1 Refer to Appendix 00036 EXP 2 Digita
39. ponse Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Modbus Basics Hints and Tips A few simple suggestions that may assist you if your system is experiencing problems include e Slowing down the polling rate may be helpful if power cycling doesn t cure the problem e A common misperception is that every serial network must terminate with a resistor While this was true of early serial network configurations it s typically the wrong answer call our technical support and verify if you re an exception at 815 433 5100 option 3 e A sometimes difficult problem is difference in grounding voltage between various network locations Stray voltage from lightning or other sources may also find its way onto the network These conditions make isolation necessary in many settings Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Product Specifications Appendix A Product Specifications Base Module Models ZZ NA 485 ZZ NB 485 ZZ NC 485 ZZ ND 485 Expansion Module Models ZZ 4Al ZZ 4AO ZZ 2AI2A0 ZZ 8D0 T ZZ 8D0 T1 ZZ8DDO R ZZ 4DI4DO DCT ZZ 4DI4D0 DCT1 ZZ4RTD1 Quick Start guide Paper copy PDF available on enclosed CD ROM disc Manual Available on enclosed CD ROM disc and on B amp B website CD ROM disc Zlinx 485 Manager PDF of Zlinx 485 User Manual PDF of Quick Start guide Data Indicator Green LED blinks with TD or RD data traffic Off no data t
40. r future use e 40000 series addresses store Analog Output data AND Frequency Counter data when Digital Inputs are configured for Frequency Counter operation For each module the first eight memory locations are assigned to AO data and the next four locations are assigned to Frequency Counter data e Ifa Modbus device communicating with Zlinx 485 tries to send to or receive from a memory address not implemented by the hardware in use the Zlinx 485 replies with an exception response e Users cannot span across two memory maps 1 e from 34 to 50 Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware e A maximum of 16 points can be displayed at any one time Appendix D of this manual contains a list of Modbus I O assignments for the Zlinx 485 Zlinx 485 Modes of Operation Zlinx 485 systems can operate in Peer to Peer or Modbus modes Peer to Peer Mode In Peer to Peer mode two Zlinx 485 systems provide full serial I O functionality In this mode one Base is configured as the master and the other as the slave It does not matter which end of the link is the master and which is the slave Both Base Modules must be the same model Analog and digital input signals connected to AI s and DI s on one module appear on the corresponding AO s and DO s on the other module Any Expansion modules included in a Peer to Peer system must be chosen to be complimentary For example if expansion module 1 on
41. raffic Bus Indicator Green LED blinks with TD or RD bus traffic Off no bus traffic Data Error Indicator Data amp Bus LED s blink alternately Modbus Connectors Removable screw terminal 5 position block 3 5 mm spacing Serial Connectors Side connector RF 45 female RS 232 Top connector Removable screw terminal block 5 with screw down clamping Interface Lines Supported RS 232 RS 422 485 RDB RDA TDB TDA Serial Data Rates 1200 2400 3600 4800 9600 19200 38400 57600 115200 230400 bps I O Connectors Removable screw terminal 2 4 or 8 position block 3 5 mm spacing Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Product Specifications Frequency Input Two DI inputs per module software selectable as Frequency Counters 0 to 5 kHz range do NOT exceed more than 5kHz Digital Outputs Voltage Range 10 to 45 VDC for sourcing outputs 0 toVDC for sinking outputs Open Source 40 mA per output Analog Inputs Outputs Ranges Oto 10 VDC or 0 to 20 mA Resolution 12 bit Input Accuracy 0 15 full scale reading typical 0 2 max Output Accuracy 0 15 full scale reading typical 0 2 max Al Load Resistance 100 Mega ohms when configured for voltage input 250 ohms when configured for current input AO Max Output Current 1 mA when configured for voltage output AO Max Source Load 375 ohms at 20 mA and 10V input voltage when configured for current output
42. reserved for use by the configuration software only Asserting RTS during normal operation will result in a communication failure Disable RTS if your hardware supports it Note A standard RJ45 to serial DB9 cable will not work use only the one supplied Power Supply Requirements Zlinx 485 systems can be powered from 10 to 30 VDC power sources No supply is included since the power rating of the supply will depend on the total power requirements of all modules used in the system Appendix A contains a listing of power requirements for all Zlinx 485 modules Mounting Hardware Zlinx 485 modules can be DIN rail mounted The DIN mounting clip and spring is included on each module Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Figure 11 DIN Clip with Spring on a Zlinx 485 Module 1 0 Options and Characteristics I O Options The Zlinx 485 family of products features a variety of input and output options Base and expansion module options include e 2 analog inputs 2 analog outputs 2 digital inputs and 2 digital outputs sourcing or sinking driver e 4 digital inputs and 4 digital outputs sourcing or sinking driver e 8 digital inputs e 8 digital outputs sourcing or sinking driver o 8 relay output model available e 4 analog inputs o RTD Temperature input module available e 4 analog outputs e 2 analog inputs and 2 analog outputs Modules continue to be developed with add
43. us connection When the LED is off no data is being transmitted or received Note If communications is not established within a preset number of retries default is 10 the Data and Bus LED s blink alternately to indicate a loss of communications Connectors Zlinx 485 Base and Expansion modules feature connectors for connecting field I O wiring and plugging together Zlinx 485 modules local bus In addition Zlinx 485 Base modules include connectors for connecting a power supply and an RJ45 connecter to connect to the PC using the supplied RJ45 to serial cable Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Figure 6 Power Supply Connector The Power Supply connector base modules only is a two position removable terminal block located on the top of the unit Terminal spacing is 3 5 mm The terminal block accepts solid and stranded wires from 28 AWG to 16 AWG Please check polarity marking in Figure 8 Refer to the following section for information on Power Supply Requirements Expansion modules receive power from the base module via the local bus connector Local Bus Connectors Local Bus connectors are included on all base and expansion modules These connectors are dual row 14 pin 2 mm spacing connectors Base modules have only a female connector Expansion modules have male connectors on one side and female connectors on the other Modules are plugged together to supply po
44. wer and facilitate communication between modules When adding an Expansion module to a Base module the male connector on the expansion module plugs into the female connector on the base module The second expansion module plugs into the first and so on up to a maximum of six expansion modules Manual Documentation Number Zlinx485m 1808 www bb elec com www bb europe com Hardware Figure 7 Local Bus Connector Location RS 422 485 and I O connectors for base and expansion modules are removable plug in screw terminal blocks located on the front and top of the unit Terminal spacing is 3 5 mm Depending on the specific model the number of terminals may vary The maximum is 16 terminals two 8 terminal blocks for I O with an additional 5 terminals for RS 422 485 on the base module The Serial Port Connector on the Zlinx 485 is an RJ45 female connector configured as a DCE device supporting RS 232 serial communications including TD Pin 3 on the DB9 end RD Pin 2 and GND Pin 5 signal lines If the Modbus device you are connecting to the Zlinx Base Module is configured as a DTE device you will use a straight through serial cable If the Modbus device is configured as a DCE device use a null modem cable or adapter Refer to Appendix C for connection pin outs RS 422 485 Connector The RS 422 485 connector on the Zlinx Base module is a five position removable terminal block with screw downs The connector provides screw conne

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