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OPTO 22 Modular M4RTU User Manual

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M4RTU/M4IO USER'S GUIDE
Form 0676-100301—March 2010
43044 Business Park Drive
Phone: 800-321-OPTO (6786) or 951-695-3000
Temecula
•
Fax: 800-832-OPTO (6786) or 951-695-2712
www.opto22.com
Product Support Services
800-TEK-OPTO (835-6786) or 951-695-3080
Fax: 951-695-3017
Email: support@opto22.com
Web: support.opto22.com
CA 92590-3614
•

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  • Page 1 M4RTU/M4IO USER’S GUIDE Form 0676-100301—March 2010 43044 Business Park Drive Temecula CA 92590-3614 • • Phone: 800-321-OPTO (6786) or 951-695-3000 Fax: 800-832-OPTO (6786) or 951-695-2712 www.opto22.com Product Support Services 800-TEK-OPTO (835-6786) or 951-695-3080 Fax: 951-695-3017 Email: support@opto22.com Web: support.opto22.com...
  • Page 2 This warranty is limited to the original cost of the unit only and does not cover installation, labor, or any other contingent costs. Opto 22 I/O modules and solid-state relays with date codes of 1/96 or later are guaranteed for life.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1: Introduction ..........1 About the M4RTU/M4IO .
  • Page 4 Connecting to Opto 22 I/O Units ........
  • Page 5 Chapter 4: Software and Firmware ........41 Overview .
  • Page 6 M4RTU/M4IO Connectors ..............60 Appendix C: Product Specifications .

  • Page 7: Chapter 1: Introduction

    Introduction About the M4RTU/M4IO Thank you for purchasing an Opto 22 Modular M4RTU or M4 I/O Controller. The M4RTU/M4IO delivers the functionality and robustness of a remote telemetry unit with the power of a distributed automation system, all in one controller.

  • Page 8: For Help

    “Worksheets”—Worksheets that can be used to plan field wiring installation and power consumption. For Help If you have problems installing or using the M4RTU or M4 I/O and cannot find the help you need in this guide or on our website, contact Opto 22 Product Support. Phone: 800-TEK-OPTO (835-6786) 951-695-3080...

  • Page 9: Overview-M4Rtu/M4Io Remote Telemetry Unit

    • Plus OptoConnect™, a drag-and-drop database utility The M4RTU/M4IO is part of Opto 22’s Modular line of controllers. These units feature a modular design that incorporates Opto 22’s M4 bus technology (M4BUS). This technology lets customers tailor their controller and interface hardware to the scale of the project at hand. The M4BUS allows users to create custom interface configurations by simply plugging in one or more of the modular interface cards.

  • Page 10: Available Options

    The M4RTU/M4IO base unit has two serial ports: RS-232 and RS-485/422. The RS-485/422 port can be used to support I/O expansion using standard Opto 22 digital or analog I/O units. These serial ports can communicate at up to 115 K baud, and the RS-485/422 port logically supports up to 4,096 remote I/O channels as a remote bus.

  • Page 11: Software

    M4RTU/M4IO configuration and program development are performed on a PC workstation through OptoControl, Opto 22’s PC-based graphical flowchart language. OptoControl is easy to learn and easy to use. Six months after you write an OptoControl program, you can come back to it and understand it.

  • Page 12: Possible Applications

    POSSIBLE APPLICATIONS Possible Applications The M4RTU/M4IO can be used in a wide range of applications, including SCADA, remote, distributive, stand alone, process control, tooling, communication, data acquisition, and OEM applications. The following diagrams depict two common applications for the M4RTU/M4IO: a tank farm and a remote plant management system.
  • Page 13 CHAPTER 1: INTRODUCTION The M4RTU/M4IO is designed to be easy to configure in a variety of communication configurations, including modems connected to standard telephone lines, leased lines, radio frequency transceivers, and direct serial connections to PC hardware, as illustrated below. M4RTU/M4IO User’s Guide...
  • Page 14 POSSIBLE APPLICATIONS The design of the M4RTU/M4IO is also conducive to integration with Opto 22’s digital and analog I/O systems as well as with other intelligent equipment devices, such as industrial PCs, additional M4RTUs or other Opto 22 controllers, subsystem automation gear, wastewater equipment, and various gas/petrochemical devices.

  • Page 15: Basic Architecture

    CHAPTER 1: INTRODUCTION Basic Architecture The M4RTU/M4IO consolidates two processors on a single processor board. Program control and host communications are handled by a 32-bit 68020 microprocessor, while a 16-bit 80C 196 processor handles I/O interfacing and control. This dual-processor board is combined with a digital/analog I/O board, a 3-slot vertical expansion bus board (M4BUS), and a modular power supply into a compact aluminum extrusion package that can be mounted horizontally or vertically.

  • Page 16: Hardware Diagrams

    HARDWARE DIAGRAMS Hardware Diagrams M4RTU/M4IO Base Unit Overview The following diagram shows the basic components of the M4RTU/M4IO as viewed from the end of the unit with the expansion slot and serial connector. The following diagram shows the basic components of the M4RTU/M4IO as viewed from the end of the unit with the power supply and M4RTUX expansion connector.

  • Page 17: Chapter 2: Quick Start

    2: Chapter 2 Quick Start Overview This chapter provides a brief explanation of how to get the M4RTU/M4IO up and running. You may need to refer to the OptoControl User‘s Guide for detailed instructions. Also refer to appropriate chapters in this manual for field wiring and communication setup instructions and diagrams. A quick start installation consists of the following steps: 1.

  • Page 18: Unpacking

    Customer update sheet Contains latest product information Note: If any of the above items is missing or damaged, contact Opto 22 immediately at 1-800-321-6786. The M4RTU/M4IO requires a power supply, packaged separately. The following table lists input power and frequency specifications for the power supplies currently available.

  • Page 19: Installing The Power Supply

    CHAPTER 2: QUICK START 2. Installing the Power Supply 1. Place the M4RTU/M4IO on a flat surface with the top cover containing the I/O module connectors facing up, and orient the M4RTU/M4IO as shown below. 2. Unplug the removable power connector from the power supply. Slide the power supply into the cavity of the M4RTU/M4IO until it seats firmly against the power supply 32-pin DIN connector.

  • Page 20: Connecting The Battery

    NOTE: This 3.6-volt lithium backup battery features a shelf life of up to 10 years and an operational life of two to five years. The Battery Service Record adjacent to the J2 battery connection includes the Opto 22 part number of the battery (G4BATT32), the date the battery was installed, and the date the battery should be replaced (five years after installation).

  • Page 21: Checking Configuration Jumpers

    In addition, if you have purchased the M4RTUX I/O Extender, it is advisable to install the M4RTUXCAB extender cable after installing daughter cards, but before mounting the M4RTU/M4IO. See Opto 22 Modular Controller I/O Extender Data Sheet (form 671) for detailed instructions.

  • Page 22: Mounting The M4Rtu/M4Io

    6. MOUNTING THE M4RTU/M4IO 6. Mounting the M4RTU/M4IO You can affix the M4RTU/M4IO to any enclosure or panel, either vertically or horizontally, using the mounting flanges shown in the diagram below and user-supplied 1/4-20 screws. 1. Determine panel mounting site and orientation (horizontal or vertical). Be sure to allow room for external connectors.

  • Page 23: Connecting Power To The M4Rtu/M4Io

    CHAPTER 2: QUICK START 7. Connecting Power to the M4RTU/M4IO Once you have mounted the M4RTU/M4IO, you are ready to connect power to the unit. 1. Turn off the power supply switch. Unplug the power supply connector if desired. 2. Turn the power terminal screws counterclockwise to make sure all power supply terminal block connections are completely open.

  • Page 24: Installing I/O Modules

    8. INSTALLING I/O MODULES 8. Installing I/O Modules CAUTION:TURN OFF POWER to the M4RTU/M4IO before installing or removing I/O modules. The M4RTU/M4IO board, located at the top of the unit just below the top cover, accommodates eight digital and four analog G4 input/output modules. The placement for these modules is shown below.

  • Page 25: Connecting To A Host Pc

    9. Connecting to a Host PC Wiring IMPORTANT: Serial port connectors wired for other Opto 22 controllers may not be compatible with the M4RTU/M4IO. Use the M4RTU/M4IO connectors provided and refer to the diagrams in this manual for wiring information.

  • Page 26: Configuring Communication

    9. CONNECTING TO A HOST PC pin connections at the host PC are the same as those called out in the diagram. See Appendix B, “Cable and Connector Specifications,” for a list of recommended cables. IMPORTANT: If RTS and CTS are not used, be sure to connect RTS to CTS on the M4RTU/M4IO as shown below.

  • Page 27: 10. Verifying Communications

    CHAPTER 2: QUICK START 3. Open OptoTerm. If you are using a controller with a Rev. 2 sticker, see “Notes for Rev. 2 Controllers” on page 4. Configure a controller in OptoTerm with the communication settings that correspond to your configuration.
  • Page 28 10. VERIFYING COMMUNICATIONS M4RTU/M4IO User’s Guide...

  • Page 29: Chapter 3: Installation And Setup

    • Setting configuration jumpers and switches page 24 • Connecting field wiring page 30 • Connecting to a host PC or modem page 32 • Connecting to Opto 22 I/O page 37 • LED Indicators page 39 M4RTU/M4IO User’s Guide...

  • Page 30: Setting Configuration Jumpers And Switches

    SETTING CONFIGURATION JUMPERS AND SWITCHES Setting Configuration Jumpers and Switches The M4RTU/M4IO includes jumpers and switches that allow you to configure the M4RTU/M4IO based on your individual application requirements. This section describes these configuration jumpers and switches. I/O Board Jumpers This diagram shows the location of 18 of the M4RTU/M4IO jumpers.
  • Page 31 CHAPTER 3: INSTALLATION AND SETUP M4RTU/M4IO Board Jumpers (factory defaults are highlighted) Jumper(s) Description Position Setting Run from RAM EEPROM/RAM Run from EEPROM Autoboot enabled Auto Autoboot Autoboot disabled Binary Communication ASCII Boot to kernel Boot Loader Boot to loader COM0 H0, H1 Host Port...

  • Page 32: Eeprom/Ram Jumper (E/R)

    SETTING CONFIGURATION JUMPERS AND SWITCHES EEPROM/RAM Jumper (E/R) Use this jumper to choose the source of the M4RTU/M4IO’s control program. When the jumper is in (the default), the control program will run from RAM; when the jumper is out, the control program is copied from Flash EEPROM into RAM and run from RAM.

  • Page 33: Address Jumpers (Address 0-7)

    CHAPTER 3: INSTALLATION AND SETUP Use the Configure Controllers - Setup Controller Ports dialog box in OptoControl to set the baud rate for any M4RTU/M4IO serial port that is not being used as the primary host port. Consult the OptoControl User’ s Guide for more information. Address Jumpers (ADDRESS 0–7) Use these jumpers to select an 8-bit address from one to 255 (one to FF hexadecimal).

  • Page 34: Processor Board Jumpers For Rev. 1 Units

    2 x 4 Mb (1 MB) 1 Mb Flash EEPROM (256 KB) 4 Mb Flash EEPROM EPROM Size (1 MB) (Opto 22 P/N M4RTUF1M) COM0 Pin 7 is ground Ring Indicator COM0 Pin 7 is ring indicator Locations of jumpers and chips on a Rev. 1 M4RTU/M4 I/O:...

  • Page 35: Flash Jumpers (Fl)

    CHAPTER 3: INSTALLATION AND SETUP Ring indicator selection jumper on Rev. 1 board (JP2) Flash / UV EEPROM selection jumper (FL) Rev. 1 M4RTU/M4IO RAM size jumper (MJ) RAM size jumper (RJ) Each jumper is described below. Flash Jumpers (FL) FL identifies the TYPE of firmware EPROMS (either FLASH or UV EPROMS).

  • Page 36: Serial Port Switches (Com1)

    CONNECTING FIELD WIRING Serial Port Switches (COM1) The M4RTU/M4IO base unit comes standard with one RS-485 serial port COM1. This port includes configuration switches. The following diagram shows the serial port COM1 switches as they appear on the end cap of the M4RTU/M4IO. See below for details on configuring these switches. TERM IN/TERM OUT This switch selects termination for the RS-485 port.

  • Page 37: Digital Modules

    CHAPTER 3: INSTALLATION AND SETUP Digital Modules Digital modules have two terminals corresponding to each module. The following diagram shows a G4IDC5 digital input module in channel zero wired with VIN + on terminal #1 and VIN - on terminal #2. M4RTU/M4IO User’s Guide...

  • Page 38: Analog Modules

    M4SSER serial expansion card into one of the M4RTU/M4IO expansion card slots. IMPORTANT: Serial port connectors wired for other Opto 22 controllers may not be compatible with the M4RTU/M4IO. Use the M4RTU/M4IO connectors provided and refer to the diagrams in this manual for wiring information.

  • Page 39: Rs-232 Com0 Pin Connections

    An RS-485 COM1 port is also built into the M4RTU/M4IO base unit. The following table contains descriptions for each COM1 pin for both 2-wire and 4-wire modes. Note that the interrupt lines can be used to add interrupt capability to Opto 22 I/O units connected to an M4RTU/M4IO via an RS-485 serial link (remote).

  • Page 40: Rs-232 Com0

    RS-485 COM1 4-Wire Mode Using an AC37. If you are using an Opto 22 AC37, connect the end of the cable with a male 9-pin D-shell connector to the converter and the other end with a pluggable terminal block to the M4RTU/M4IO.

  • Page 41: Wiring To A Modem (A Dce Device)

    CHAPTER 3: INSTALLATION AND SETUP 2-Wire Mode Using an AC37. The AC37 also supports a 2-wire mode. See the following diagram for wiring. Wiring to a Modem (a DCE device) Refer to your modem documentation for detailed wiring information, possible jumper configuration, and initialization setup.

  • Page 42: Computer (Dte) Rs-232 Com Port Pin Assignments

    CONNECTING TO A HOST PC OR MODEM Computer (DTE) RS-232 COM Port Pin Assignments RS-232 25-pin Name Abbreviation Protective Ground Transmitted Data Received Data Request to Send Clear to Send Data Set Ready Signal Common Data Carrier Detect Data Terminal Ready Ring Indicator M4RTU/M4IO User’s Guide...

  • Page 43: Connecting To Opto 22 I/O Units

    Connecting to Opto 22 I/O Units The built-in RS-485 COM1 port can be used as a serial link (remote) to communicate with Opto 22 digital or analog I/O. A M4SSER serial expansion card installed in the M4RTU/M4IO can also be used for this purpose.

  • Page 44: Connecting To Opto 22 I/O

    Communications to a Remote Interface (G4IOR) Another method for using the RS-485 COM1 port as an RS-485 serial link (remote) is to use Opto 22 I/O units installed with an SBTA, as illustrated in the following diagram. This allows you to accommodate your own installation practices, application requirements, and cables.

  • Page 45: Led Indicators

    CHAPTER 3: INSTALLATION AND SETUP Opto 22 I/O Units Installed with SBTA LED Indicators Five LEDs are located on the top of the M4RTU/M4IO, in line with the configuration jumpers, as shown below. These LEDs perform the functions displayed in the table on the following page.
  • Page 46 LED INDICATORS Indication Details Light ON: Normal function Processor status Light OFF: Processor powered down. Light blinking: Processor malfunction or low power supply voltage. Light ON: COM0 transmitting serial data COM0 transmit Light OFF: Port is idle, wiring problem, or CTS is low. Light ON: COM0 receiving serial data COM0 receive Light OFF: Port is idle or wiring problem exists.

  • Page 47: Chapter 4: Software And Firmware

    OptoServer usage. Instead, this chapter presents an overview of these topics, with enough details to get you started. For detailed information on these subjects, refer to the appropriate Opto 22 user guides. OptoControl OptoControl is used to configure communications between the PC and the M4RTU/M4IO, configure the I/O units and points, and develop and run your control strategy.

  • Page 48: Configuring The M4Rtu/M4Io And M4Rtux

    OPTOCONTROL and configure communication hardware between the host PC and the M4RTU/M4IO. (Refer to the appropriate PC and M4RTU/M4IO documentation for communication hardware installation details.) Once the hardware has been installed, OptoControl must be configured to communicate over the physical communication link. Refer to the OptoControl User’s Guide to configure PC communications to the M4RTU/M4IO.

  • Page 49: Configuring The I/O Points

    CHAPTER 4: SOFTWARE AND FIRMWARE Configuring the I/O Points Follow the procedure listed the OptoControl User’ s Guide to add an I/O point. Notice that the Configure I/O Points dialog box shows 16 analog channels even though the M4RTU/M4IO and M4RTUX together support a maximum of only eight analog channels.

  • Page 50: Updating The M4Rtu/M4Io Firmware

    M4RTU/M4IO or an Opto 22 Controller Network of M4RTU/M4IOs and other Opto 22 controllers. To attach OptoDisplay or OptoServer to an M4RTU/M4IO (or to an Opto 22 Controller Network containing M4RTU/M4IOs), follow the standard procedures outlined in the OptoDisplay and OptoServer online help or user’s guides for adding controllers.

  • Page 51: Chapter 5: Field Wiring

    This chapter provides detailed information on digital and analog field wiring for the M4RTU/M4IO and M4RTUX. It includes examples of how to wire all currently-available G4 digital and analog I/O modules. (If a particular module is not represented, please contact Opto 22 Product Support (see page The M4RTU/M4IO and M4RTUX, shown on the following pages, use pluggable screw-style terminal blocks for field wiring.
  • Page 52 OVERVIEW Locations of Terminals on M4RTU/M4IO Showing Logical Representation of Modules Locations of Terminals on M4RTUX Showing Logical Representation of Modules M4RTU/M4IO User’s Guide...

  • Page 53: Field Wiring Terminals

    CHAPTER 5: FIELD WIRING Field Wiring Terminals The M4RTU/M4IO and M4RTUX field wiring terminals are located at the top of each unit, next to their corresponding digital and analog channel locations. Together, the M4RTU/M4IO and M4RTUX represent a full complement of 16 digital and 8 analog channels, equivalent to the number of channels on a standard set of one digital and one analog brick.

  • Page 54: Connecting Field Wiring

    CONNECTING FIELD WIRING Connecting Field Wiring To connect field wiring to the M4RTU/M4IO and M4RTUX terminals, follow the diagram and procedures below. 1. Access the field wiring terminals by removing the four corner screws at the top of the M4RTU/M4IO or M4RTUX and removing the top cover. 2.

  • Page 55: Wiring Digital Modules

    CHAPTER 5: FIELD WIRING Wiring Digital Modules Each digital I/O channel has two terminals corresponding to each installed digital module. Terminals 1 and 2 correspond to a module in channel 0, terminals 3 and 4 correspond to a module in channel 1, and so on.

  • Page 56: Quadrature Input Module

    WIRING ANALOG MODULES Quadrature Input Module Use the following diagram to wire the digital quadrature input module (model G4IDC5Q). The example shows the module connected to channels 8 and 9 on the M4RTUX. Note: This module requires two digital channels. Wiring Analog Modules Analog modules use up to four terminals per analog I/O channel.

  • Page 57: Milliamp Current Input And Output Modules

    CHAPTER 5: FIELD WIRING Analog Voltage Analog Voltage Input Modules Output Modules G4AD6 G4DA4 G4AD6HS G4DA5 G4AD7 G4DA6 G4AD7HS G4DA7 G4AD9 G4AD11 G4AD12 G4AD13 G4AD22 G4AD25 Milliamp Current Input and Output Modules Use the following diagram to wire the analog milliamp current input or output modules listed in the table below.

  • Page 58: To 5 Amp Ac/Dc Current Input Or Velocity Input

    WIRING ANALOG MODULES 0 to 5 Amp AC/DC Current Input or Velocity Input The 0–5A AC/DC current input module (model G4AD16) can be used to measure current directly or indirectly through a standard current transformer. Applications include measuring or monitoring current through a field device such as a motor, solenoid, or lamp.

  • Page 59: Thermocouple Input Or Ictd Temperature Input Module

    The example shows a thermocouple input module wired to channel 3 and an Opto 22 ICTD probe wired to channel 0 on the M4RTU/M4IO. When wiring thermocouples, verify that you are using the proper polarity and wire color according to the table below.

  • Page 60: 100-Ohm Rtd Input Module

    WIRING ANALOG MODULES 100-Ohm RTD Input Module Use the following diagram to wire an analog 100-ohm RTD input module (model G4AD10). Wire colors may vary, but make sure two wires of the same color are connected as shown. The example shows a three-wire RTD probe connected to channel 4 and a two-wire RTD connected to channel 7 on the M4RTUX.

  • Page 61: Time Proportional Output Module

    CHAPTER 5: FIELD WIRING Time Proportional Output Module The time proportional output modules switch either 5–60 VDC (G4DA9) or 12–280 VAC (G4DA10). Together with power SSRs, they are ideal for temperature control applications, such as heating. Use the following diagram to wire either of the analog time proportional output modules. The example shows a G4DA10 wired to channel 3 and a G4DA9 wired to channel 0 on the M4RTU/M4IO.
  • Page 62 WIRING ANALOG MODULES M4RTU/M4IO User’s Guide...

  • Page 63: Appendix A: Troubleshooting

    Digital output is not working. ing. incorrect) Match the output module with the load. Use G4SWOUT module to troubleshoot. If G4SWOUT works, contact Opto 22 Product Support (see page Output does not work with Load does not work with voltage...
  • Page 64 I/O or processor board is bad. Contact Opto 22 if meter reading does not change with value change in test software. Voltage output device is wired Check device and wiring. Connect voltage source or cur- incorrectly.

  • Page 65: Appendix B: Cable And Connector Specifications

    Appendix B Cable and Connector Specifications Serial Communication Cables The following cables are recommended for both RS-232 and RS-485/422 serial communications. Although you may elect to use other cables, keep in mind that low capacitance (less than 15 pF/ft.) is important for high-speed digital communication links. The cables listed below are all 24-gauge, 7x32 stranded, with 100-ohm nominal impedance and a capacitance of 12.5 pF/ft.

  • Page 66: M4Rtu/M4Io Connectors

    M4RTU/M4IO CONNECTORS M4RTU/M4IO Connectors The following connectors are included with the M4RTU/M4IO: Green Pluggable 7-Position Terminal Mini-Plug • Used for RS-232 and RS-485/422 connections from the M4RTU/M4IO (COM0 and COM1) and the M4SSER (COM2 and COM3) • Manufactured by Phoenix Contact (P/N MC1, 5/7-ST-3, 81) Green Pluggable 3-Position Terminal Plug •...

  • Page 67: Appendix C: Product Specifications

    Base unit 8 digital, 4 analog, multifunction Extender unit Adds 8 digital, 4 analog, multifunction Expansion Via RS-485 ports, using Opto 22 I/O Communication: Base unit 1 RS-232 and 1 RS-485/422 port Expansion Via daughter cards: configurable serial ports, Ethernet, ARCNET...
  • Page 68 M4RTU/M4IO User’s Guide...

  • Page 69: Appendix D: Worksheets

    Appendix D Worksheets I/O Module Worksheets The following worksheets can be used to plan I/O module installation for the M4RTU/M4IO base unit and M4RTUX I/O extender unit. Fill in the digital or analog I/O type in the box to the right of each I/O channel shown on the worksheet.

  • Page 70: M4Rtu/M4Io Base Unit-I/O Module Worksheet

    I/O MODULE WORKSHEETS M4RTU/M4IO Base Unit—I/O Module Worksheet * When configuring digital or analog I/O for the M4RTU/M4IO base unit using OptoControl, use these addresses and make sure the PORT type is LOCAL. See Chapter 4, “Software and Firmware,” for more information. M4RTU/M4IO User’s Guide...

  • Page 71: M4Rtux I/O Extender-I/O Module Worksheet

    APPENDIX D: WORKSHEETS M4RTUX I/O Extender—I/O Module Worksheet M4RTU/M4IO User’s Guide...

  • Page 72: Field Wiring Worksheets

    FIELD WIRING WORKSHEETS Field Wiring Worksheets The following worksheets can be used to plan and implement field wiring installation for the M4RTU/M4IO base unit and M4RTUX I/O Extender. Fill in the wire name boxes for each terminal. The Field Wiring Worksheet can be used by your installer during RTU installation.

  • Page 73: Field Wiring Worksheet 2

    APPENDIX D: WORKSHEETS Field Wiring Worksheet 2 M4RTU/M4IO User’s Guide...

  • Page 74: M4Rtu/M4Io Power Consumption Worksheet Instructions

    M4RTU/M4IO POWER CONSUMPTION WORKSHEET INSTRUCTIONS M4RTU/M4IO Power Consumption Worksheet Instructions 1. On the following worksheet, locate the daughter cards and digital and/or analog modules you will be using with the M4RTU/M4IO. Enter a quantity for each item in the “Quantity” column. Also, fill in the quantity and wattage of any RS-232 devices on the line provided.

  • Page 75: Power Consumption Worksheet

    TW/Your supplied input voltage = Input Current _______A 1 If the daughter card you are using does not appear above, call Opto 22 for a data sheet or contact Opto 22 Product Support for wattage specifications. 2 If the digital module you are using does not appear above, use the G4 Digital AC/DC Input Output module wattage.
  • Page 76 M4RTU/M4IO POWER CONSUMPTION WORKSHEET INSTRUCTIONS M4RTU/M4IO User’s Guide...

  • Page 77: Index

    Index Numerics 0-5 A current input, 52 backup battery, 14 2-wire/4-wire Baud jumpers, 25, 26 pin connections, 33 bias, 30 switch, 30 binary communication mode, 26 boot to kernel, 26 boot to loader, 26 AC37, 34 Address jumpers, 25, 27 addressing cables, 59 local I/O, 42...
  • Page 78 Opto 22 I/O units, 37 help, 2, 57 connectors, 60 host PC control program, 26 communication to, 41 storing in flash, 43 configuring communication with unit, 20 controller architecture, 9 connecting to, 19, 33 current input module, 51 verifying communication, 21...
  • Page 79 I/O, 42 remote plant management system, 6 Ring Indicator jumper, 29 OEM, 6 ring indicator jumper, 27 optional equipment, 4 Opto 22 product support, 2 jumpers, 29 OptoControl, 5, 12, 20, 41 RS-232 OptoDisplay, 5, 43 25-pin assignments, 36...
  • Page 80 SBTA, 38 updating firmware, 44 SCADA, 6 SDK, 5 serial address jumpers (chart), 27 velocity input, 52 serial cables, 59 voltage input module, 50 serial port voltage output module, 50 baud rate jumpers, 26 communication jumpers, 26 pin connections, 33 RS-232, 19 wiring RS-485, 30...

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