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Protech Systems SI-W709 User Manual

Thermocouple i/o module
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USER
MANUAL
SI-W709 M3
SI-W709
Thermocouple I/O Module

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Summary of Contents for Protech Systems SI-W709

  • Page 1 USER MANUAL SI-W709 Thermocouple I/O Module SI-W709 M3...
  • Page 2 SI-W709 Thermocouple I/O Module COPYRIGHT NOTICE & TRADEMARK All trademarks and registered trademarks mentioned herein are the property of their respective owners. This manual is copyrighted in Nov. 2020. You may not reproduce or transmit in any form or by any means, electronic, or mechanical, including photocopying and recording.
  • Page 3 WARNING: Some internal parts of SI-W709 may have high electrical voltage. We strongly recommend that only qualified engineers are allowed to service and disassemble SI-W709. If any damages should occur on SI-W709 and are caused by unauthorized servicing, it will not be covered by the product...

  • Page 4: Table Of Contents

    User Manual Structure ............... 1-3 Getting Started ..................2-1 System Architecture ..............2-2 SI-W709 Overview ..............2-3 Specifications ................2-5 About SI-W709 I/O Module ............2-6 Block Diagram ................2-8 Quick Start.................. 2-9 Safety Precautions ..............2-10 Hardware Configuration ..............3-1 PIN Assignment ................
  • Page 5 Function 0x06 – Write Analog Input Channel Value ... 4-8 4.2.4 Function 0x41 – Read Module Setting ....... 4-9 4.2.5 Function 0x42 – Write Module Setting ......4-10 Address Mapping ..............4-11 Appendix A Exploded Diagrams ..........A-1 SI-W709 Assembly Exploded Diagram ............A-2...

  • Page 6: Revision History

    Revision History Revision History The revision history of SI-W709 User Manual is described below: Version No. Revision History Date • The Pin Assignment diagrams on Page 2-7, 3-2, 3-3, 3-4 has been revised. • The analog input range for Value 02 has been changed to ±100mV on Page 4-12.

  • Page 7: Introduction

    Introduction This chapter provides the introduction for SI-W709 module, applications list as well as the framework of the user manual. The following topics are included: • SI-W709 Overview • Applications • User Manual Structure Page: 1-1 SI-W709 SERIES USER MANUAL...

  • Page 8: W709 Introduction

    SI-W709 Introduction Thank you for purchasing our SI-W709 Industrial IoT (IIoT) Remote I/O Module. SI-W709 Series is a set of data acquisition that can be remotely controlled by using Modbus RTU protocol. The communication interface between the module and the host is RS-485 serial bus.

  • Page 9: User Manual Structure

    Chapter 1 Introduction User Manual Structure Chapter 1 Introduction This chapter gives the brief introduction of SI-W709, applications list as well as the framework of this user manual. Chapter 2 Getting Started This chapter describes the system architecture and system and I/O specifications, illustrates the physical appearances, block diagrams, I/O module as well as quick installation guide.

  • Page 10: Getting Started

    This chapter describes the system architecture and system and I/O specifications, illustrates the physical appearances, block diagrams, I/O modules as well as quick installation guide. Read the safety reminders carefully on how to take care of SI-W709 properly. The following topics are included: •...

  • Page 11: System Architecture

    Remote I/O Module SI-W709 is the series of the Remote I/O Modules which are designed by Protech Systems. The bottom side I/O of module include RS-485 interface and power supply. The interface of communication is the RS-485 with 3-wire unregulated connector.

  • Page 12: W709 Overview

    Chapter 2 Getting Started SI-W709 Overview Unit: mm Front View Rear View Top View Bottom View Page: 2-3 SI-W709 SERIES USER MANUAL...
  • Page 13 Chapter 2 Getting Started Left Side View Right Side View Page: 2-4 SI-W709 SERIES USER MANUAL...

  • Page 14: Specifications

    Common Voltage Protection 25V DC ±120V DC Overvoltage Protection Environment Operating Temperature  -25°C ~ 75°C (13°F ~ 167°F) (with airflow) Storage Temperature  -40°C ~ 85°C (-4°F ~ 185°F) Humidity  20% ~ 90% Page: 2-5 SI-W709 SERIES USER MANUAL...

  • Page 15: About Si-W709 I/O Module

    Chapter 2 Getting Started About SI-W709 I/O Module 1. Common Specification of SI-W709 Series Communication Interface: RS-485 (3-wire) to Host  Speed: 9600, 19200, 38400, 57600, 115200 bps  Maximum Communication Distance: 4000 feet (1.2km)  Power and communication LED Indicator ...
  • Page 16 Chapter 2 Getting Started 2. SI-W709 Thermocouple I/O Module SI-W709 Module provides 8 channels Analog Input include voltage, current input and thermocouple input. SI-W709 series provide a programmable input range on all analog input channels. The range of analog input is 16-bit at +/- 15mV, +/- 50mV, +/-100mV, +/-500mV, +/-1V, +/-2.5V, 4~20mA, 0~20mA, -20~+20mA.

  • Page 17: Block Diagram

    CH1- CH2+ CH2- UART RX CH3+ UART TX CH3- CH4+ CH4- 16bits ADC 64KB flash ROM Isolator AD7712 SM59R16A5 Analog Mulplexer CH5+ CH5- CH6+ CH6- LED2 CH7+ CH7- CH8+ CH8- EEPROM LED3 I2C wafer Page: 2-8 SI-W709 SERIES USER MANUAL...

  • Page 18: Quick Start

    RS-232 to RS-485 converter will be required. See Section 3.1 for terminal assignment. 4. Connect the pin 4 and pin 5 of the module (SI-W709) to the power supply using the GND and +Vs terminals. See Section 3.1 for terminal assignment.

  • Page 19: Safety Precautions

    Avoid direct sunlight exposure for a long period of time (for example, in a closed car in summer time. Also keep SI-W709 from any heating device.). Or do not use SI-W709 when it has been left outdoors in a cold winter day. •...

  • Page 20: Hardware Configuration

    It also provides technical support information. The following topics are included: • PIN Assignment • Application Wiring • Mounting Support • Default Settings • Technical Support Page: 3-1 SI-W709 SERIES USER MANUAL...

  • Page 21: Pin Assignment

    Chapter 3 Hardware Configuration PIN Assignment SI-W709 ERR MODBUS Page: 3-2 SI-W709 SERIES USER MANUAL...

  • Page 22: I/O Channel Connector

    Analog Input 4+ ERR MODBUS Analog Input 4- Analog _GND Analog _GND Analog Input 5+ Analog Input 5- Analog Input 6+ Analog Input 6- Analog Input 7+ Analog Input 7- Analog Input 8+ Analog Input 8- Page: 3-3 SI-W709 SERIES USER MANUAL...

  • Page 23: Rs-485 And Power Connector

    Chapter 3 Hardware Configuration 3.1.2 RS-485 and Power Connector Connector Location: CN2 Description: RS-485 and Power Connector ASSIGNMENT (Y)DATA+ (G)DATA- GND.ISO SI-W709 (B)GND (R)+Vs ERR MODBUS Note: (R)+Vs: Define power supply voltage input range:+9 ~ +50V. Page: 3-4 SI-W709 SERIES USER MANUAL...

  • Page 24: Application Wiring

    Voltage: +-15 mV, +- 50 mV, +-100 mV, +- 500 mV, +-1V, +-2.5V • Current: +-20mA, 0 ~ +20 mA, +4 ~ +20 mA • Note: Current Input needs an optional external 125Ω Resistor. Page: 3-5 SI-W709 SERIES USER MANUAL...

  • Page 25: Power Supply Wire

    Chapter 3 Hardware Configuration 3.2.2 Power Supply Wire We suggest the following standard colors for each power line: (R)+Vs (B)GND Black Page: 3-6 SI-W709 SERIES USER MANUAL...

  • Page 26: Communication Wiring

    3.2.3 Communication Wiring We recommend using shield-twisted-pair cable on SI-W709 I/O Module. And the cable has to comply with the EIA RS-485 standard. Only one set of twisted pair cable is required for transmitting data. For more stable power isolation, we recommend connecting GND.ISO pin to the Ground pin of the host.

  • Page 27: Mounting Support

    Chapter 3 Hardware Configuration Mounting Support 3.3.1 Installing DIN-Rail Mount Page: 3-8 SI-W709 SERIES USER MANUAL...

  • Page 28: Installing Wall Mount

    Installing Wall Mount Step 1. Prepare and fasten the 2 or 4 self-tapping T5 screws to tighten the wall mount kit onto the wall. Step 2. Attach SI-W709 onto the wall mount kit installed on the wall to complete. Page: 3-9...

  • Page 29: Default Settings

    Before placing the I/O module in an RS-485 network, the module should be configured with factory default settings. It is recommended that you confirm the baud rate has been set correctly. Default factory Settings of SI-W709 I/O Module are as below: 1. Device ID: 01h 2. Baud Rate: 115200 bps 3.

  • Page 30: Technical Support

    4. How to reproduce the technical question you meet? Please give full details to describe the procedures to reproduce the problem. 5. If the problem involves other hardware accessories or programs, please describe the details. 6. Any comments or suggestions related to the problem are welcome. Page: 3-11 SI-W709 SERIES USER MANUAL...

  • Page 31: Modbus Rtu Protocol

    MODBUS RTU Protocol This chapter contains helpful information about MODBUS RTU Protocol. The following topics are included: • Command Format • Function List • Address Mapping Page: 4-1 SI-W709 SERIES USER MANUAL...

  • Page 32: Command Format

    Inc. Originally it is for use with Modicon programmable logic controllers. For more detailed information about Modbus, please visit http://www.modbus.org/. SI-W709 Series I/O modules support the Modbus RTU protocol. The communication Baud Rates is up to 152000 bps. The communication interface is RS-485 with 2-wire (D+, D-) or 3-wire (D+, D-, ISO.GND).

  • Page 33: Write Command

    2Bytes • ID: The Slave Device address is from 0 to 255. • CMD: The Modbus commands are as 0x05, 0x06, 0x42… • Address: The mapping address of register definition for SI-W709 Series. • Data: Data Packet • CRC: Cyclical Redundancy Check is produced by Modbus utility.

  • Page 34: Function List

    0x08, 0xCA Return Data Packet: Length Data 0x01 0x05 0x01 0x01 0xD1 0x89 3. Slave ID Address Command Packet: 0x01 0x11 0xC0, 0x2C Return Data Packet: Length Data 0x01 0x11 0x01 0x01 0x91 0x8D Page: 4-4 SI-W709 SERIES USER MANUAL...

  • Page 35: Function 0X03 - Read Analog Input Channel Value

    Produced by firmware. Error Response Offset Description Counts Data Slave ID address 1 Byte 1 to 255 Function Code 1 Byte 0x83 Data 1 Byte 0xCD: No function 03 ~ 04 2 Bytes Produced by firmware. Page: 4-5 SI-W709 SERIES USER MANUAL...

  • Page 36: Function 0X04 - Read Analog Input Channel Value

    Chapter 4 MODBUS RTU Protocol 4.2.2 Function 0x04 – Read Analog Input Channel Value This function code is used to read the Analog Input Channel value of SI-W709 I/O module. Request Offset Description Counts Data Slave ID address 1 Byte...
  • Page 37 Chapter 4 MODBUS RTU Protocol Error Response Offset Description Counts Data Slave ID address 1 Byte 1 to 255 Function Code 1 Byte 0x84 Data 1 Byte 0xCD: No Function 03 ~ 04 2 Bytes Produced by firmware. Page: 4-7 SI-W709 SERIES USER MANUAL...

  • Page 38: Function 0X06 - Write Analog Input Channel Value

    Produced by firmware. Error Response Offset Description Counts Data Slave ID address 1 Byte 1 to 255 Function Code 1 Byte 0x86 Data 1 Byte 0xCD: No function 03 ~ 04 2 Bytes Produced by firmware. Page: 4-8 SI-W709 SERIES USER MANUAL...

  • Page 39: Function 0X41 - Read Module Setting

    Chapter 4 MODBUS RTU Protocol 4.2.4 Function 0x41 – Read Module Setting This function code is used to read SI-W709 module setting. Request Offset Description Counts Data Slave ID address 1 Byte 1 to 255 Function Code 1 Byte 0x41...

  • Page 40: Function 0X42 - Write Module Setting

    Chapter 4 MODBUS RTU Protocol 4.2.5 Function 0x42 – Write Module Setting This function code is used to write SI-W709 module setting. Request Offset Description Counts Data Slave ID address 1 Byte 1 to 255 Function Code 1 Byte 0x42...

  • Page 41: Address Mapping

    Chapter 4 MODBUS RTU Protocol Address Mapping For SI-W709 Series, the Modbus Address mappings and definitions are as follows: Address Description Attr. 0000 Firmware Version (as : 00-20191126) 0010 Module Name (String=”W709”) Baud Rate Setting Code Baud 9600 19200 38400...
  • Page 42 Value Analog Input Range ±15mV ±50mV ±100mV ±500mV ±1V ±2.5V ±20mA 0~20mA 4~20mA Thermocouple K type Thermocouple B type Thermocouple E type Thermocouple J type Thermocouple R type Thermocouple S type Thermocouple T type Page: 4-12 SI-W709 SERIES USER MANUAL...

  • Page 43: Appendix A Exploded Diagrams

    Appendix A Exploded Diagrams This appendix includes SI-W709 assembly exploded diagram and the parts list as well as SI-W709 part numbers. • SI-W709 Assembly Exploded Diagram SI-W709 SERIES USER MANUAL Page: A-1...

  • Page 44: Si-W709 Assembly Exploded Diagram

    Appendix A Exploded Diagrams SI-W709 Assembly Exploded Diagram The list for the parts above is described on the next page. Page: A-2 SI-W709 SERIES USER MANUAL...
  • Page 45 SI-W109 Front Cover (Blue) 30-002-12110468 SR-W709 IO BD SR-W709 SI-W709 Name Plate 94-017-01601476 SI-W709 Name Plate 94-017-01601476 Temperature and Humidity sensor SR-W000RA-D0N Round Head Screw #0 / T2.0x6mm 22-135-20006011 10-625-01810047 Terminal block, 18P 10-625-00510147 Terminal block, 5P Page: A-3 SI-W709 SERIES USER MANUAL...
  • Page 46 { int j; unsigned int reg_crc=0xFFFF; while( length-- ) { reg_crc ^= *data++; for(j=0;j<8;j++) { if(reg_crc & 0x01) /* LSB(b0)=1 */ reg_crc=(reg_crc>>1) ^ 0xA001; else reg_crc=reg_crc >>1; return reg_crc; Page: A-4 SI-W709 SERIES USER MANUAL...

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