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Acromag BusWorks XT1541-000 User Manual

10/100mb industrial ethernet i/o modules usb programmable, modbus tcp/ip i/o, combination analog voltage output and digital i/o 8 dc voltage output channels and 4 digital i/o channels w/active-high inputs and tandem high-side switched outputs
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BusWorks® XT Series
10/100MB Industrial Ethernet I/O Modules
USB Programmable, Modbus TCP/IP I/O
Model XT1541-000
Combination Analog Voltage Output and Digital I/O
(8 DC Voltage Output Channels and 4 Digital I/O Channels w/
Active-High Inputs and Tandem High-Side Switched Outputs)
USER'S MANUAL
ACROMAG INCORPORATED
Tel: (248) 295-0880
30765 South Wixom Road
Fax: (248) 624-9234
Wixom, MI 48393-2417 U.S.A.
email: sales@acromag.com
Copyright 2014, Acromag, Inc., Printed in the USA.
8501-015B
Data and specifications are subject to change without notice.

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Summary of Contents for Acromag BusWorks XT1541-000

  • Page 1 Active-High Inputs and Tandem High-Side Switched Outputs) USER’S MANUAL ACROMAG INCORPORATED Tel: (248) 295-0880 30765 South Wixom Road Fax: (248) 624-9234 Wixom, MI 48393-2417 U.S.A. email: sales@acromag.com Copyright 2014, Acromag, Inc., Printed in the USA. 8501-015B Data and specifications are subject to change without notice.

  • Page 2: Table Of Contents

    BLOCK DIAGRAM ..................... 31 How It Works ........................31 About Modbus TCP/IP ....................... 32 IP Addressing ........................33 Dynamic Host Configuration Protocol (DHCP) ..............34 Domain Name System (DNS) ....................35 Acromag, Inc. Tel: 248-295-0880 - 2 - - 2 - http://www.acromag.com http://www.acromag.com...
  • Page 3 This is very important where property loss or human life is involved. It is important that you perform satisfactory overall system design and it is agreed between you and Acromag, that this is your responsibility.

  • Page 4: Getting Started

    10/100Mbps Ethernet interface using the Modbus TCP/IP application protocol. Units are conveniently setup and configured for network operation via a USB connection to a host computer running Acromag configuration software. This model includes support for i2o at its digital inputs and also acts as an i2o target output for other XT input models.

  • Page 5: Mechanical Dimensions

    Above 55°C, a space of at least 20mm between modules is recommended to aide cooling in this manner. Acromag, Inc. Tel: 248-295-0880 - 5 - - 5 - http://www.acromag.com...

  • Page 6: Electrical Connections

    As a rule, output wires are normally separated from power and network wiring for safety and isolation, as well as for low noise. Acromag, Inc. Tel: 248-295-0880 - 6 - - 6 - http://www.acromag.com...

  • Page 7: Power Connections

    TO THE UNIT MAY RESULT. NOTE: IT IS RECOMMENDED THAT SUPPLIES CAPABLE OF DELIVERING MORE THAN 2.5A TO THE BUS BE FUSED WITH A HIGH SURGE TOLERANT FUSE. Acromag, Inc. Tel: 248-295-0880 - 7 - - 7 - http://www.acromag.com http://www.acromag.com...

  • Page 8: Usb Connection

    USB connection to configure the unit.  USB Signal Isolation Recommended - You may use Acromag model USB- ISOLATOR to isolate your USB port, or you can optionally use another USB signal isolator that supports USB Full Speed operation (12Mbps). USB isolation is required to break the inadvertent ground loop between the output circuits and earth ground at your PC.

  • Page 9: Output Connections

    Observe proper polarity when making digital output excitation connections. Refer to the following figures to wire the voltage outputs, digital outputs, and digital output excitation of this model. Acromag, Inc. Tel: 248-295-0880 - 9 - - 9 - http://www.acromag.com...
  • Page 10 DC current through the load to output return (RTN). Outputs share a common return connection and are not isolated channel- to-channel. Refer to the following figures for example DC Voltage Output connections to this model. Acromag, Inc. Tel: 248-295-0880 - 10 - - 10 - http://www.acromag.com...
  • Page 11 Per UL, when the outputs are used to drive interposing relays for switching AC or DC devices of higher voltage/current, the coil ratings for the interposing relay shall not exceed 24VDC, 100mA. Acromag, Inc. Tel: 248-295-0880 - 11 - - 11 - http://www.acromag.com...

  • Page 12: Digital Input Connections

    NOTE: You do not need to connect digital excitation if you are only using the digital input channel to monitor a field input (tandem output is OFF). Digital excitation is only required to operate the sourcing digital output channel. Acromag, Inc. Tel: 248-295-0880 - 12 - - 12 - http://www.acromag.com...

  • Page 13: Emi Filter Installation

    28A2029-0A2 or similar for inputs/outputs and Power (order Acromag 4001-135), Laird 28A0592-0A2 or similar for USB cable (Acromag 4001-140), and Laird 28A0807592-0A2 or similar for Ethernet cable (Acromag 4001-139). Locate ferrites by clamping them outside of all I/O cables or wiring harnesses to/from the module (USB, Ethernet, input/output group, DC power), and as close to the module as possible.

  • Page 14: Earth Ground Connections

    USB port and this makes contact with both the USB signal and shield ground which is held in common to the input circuit return of this module. Acromag, Inc. Tel: 248-295-0880 - 14 - - 14 - http://www.acromag.com...

  • Page 15: Configuration Software

    Program Files directory of your PC. Note that you must have administrator rights to download and install this software onto your PC or laptop. Once you have installed the software, be sure to navigate to the Program Files\Acromag subdirectory and select the correct modelconfig.exe software for your particular module. This same software is also included on a CDROM bundled in the Configuration Kit XT-SIP (see Accessories), but downloading it from the web will help to ensure that your software is the most up-to-date available.
  • Page 16 Use [Start/Stop Polling] to poll digital inputs.  Display the current state of the inputs with simulated LED’s and “1” or “0” superimposed on the lamps for ON or OFF. Acromag, Inc. Tel: 248-295-0880 - 16 - - 16 - http://www.acromag.com http://www.acromag.com...
  • Page 17 For a more detailed configuration procedure, see the Configuration Step-by-Step section of the Technical Reference on page 18 of this manual. Acromag, Inc. Tel: 248-295-0880 - 17 - - 17 - http://www.acromag.com http://www.acromag.com...

  • Page 18: Technical Reference

    IP address setting, or having to change the address setting of your network card to match the module’s subnet address domain in order to talk to it. Acromag, Inc. Tel: 248-295-0880 - 18 - - 18 - http://www.acromag.com...

  • Page 19: Device/Communication Setup

    Note that you should already have power connected to the XT1541 at this point, as this model does not utilize USB power. After executing the Acromag Configuration software for this model, a screen similar to that shown below will appear, if you have not already connected to your transmitter via USB (note Device Select fields are blank under these conditions).
  • Page 20 IP addresses. The DNS 1 Address refers to the IP address of the first Domain Name Server used on this network. The DNS 2 Address refers to the IP address of the secondary Domain Name Server used on this network. Acromag, Inc. Tel: 248-295-0880 - 20 - - 20 - http://www.acromag.com...
  • Page 21 You can click the [Exit] button in the lower right hand part of this screen to exit the Configuration Software, or simply click on another tab to access another page before exiting this software. Acromag, Inc. Tel: 248-295-0880 - 21 - - 21 - http://www.acromag.com...

  • Page 22: I/O Config/Test Page

    This is also useful to reset an output that may be in a latched thermal shutdown following overload conditions. Acromag, Inc. Tel: 248-295-0880 - 22 - - 22 - http://www.acromag.com...
  • Page 23 Be sure to first stop polling before moving onto another page. Status: This field displays status messages relative to sending and receiving channel I/O over USB to the module. Acromag, Inc. Tel: 248-295-0880 - 23 - - 23 - http://www.acromag.com...
  • Page 24 HELP – You can press [F1] for Help on a selected or highlighted field or control. You can also click the [?] button in the upper-right hand corner of the screen and click to point to a field or control to get a Help message pertaining to the item you pointed to. Acromag, Inc. Tel: 248-295-0880 - 24 - - 24 - http://www.acromag.com...

  • Page 25: Calibration Page

    The DAC count that produced this value will be stored and associated with this range level. The zero and full- scale DAC counts determined here are used to develop a linear relationship between the output voltage and the DAC. Acromag, Inc. Tel: 248-295-0880 - 25 - - 25 - http://www.acromag.com...
  • Page 26 Calibration of all outputs is further streamlined by doing all output channel zero endpoints first, followed by doing all the channel full-scale endpoints next, each in succession. Acromag, Inc. Tel: 248-295-0880 - 26 - - 26 - http://www.acromag.com...

  • Page 27: I2O Mapping Page

    IMPORTANT: i2o refers to an Acromag proprietary method of input-to-output communication, done over the network, without other hard-wired connections between inputs and outputs. This is not a Modbus TCP/IP function and the i2o mapping feature of this model may only be configured via this software.
  • Page 28 Enabled Invalid Configuration w/ a long time over an open socket. This will work but it is not recommended to keep the socket open for infrequent i2o updates. Acromag, Inc. Tel: 248-295-0880 - 28 - - 28 - http://www.acromag.com http://www.acromag.com...
  • Page 29 Mapping… The four input channels of this device may be mapped to four output channels at another Acromag digital I/O module at one or two different IP addresses. Subsequent messages will be sent at a periodic rate specified by update time. Note that the target output channels may still be controlled independently via the network, but their state will be overwritten by subsequent mapped messages when enabled.

  • Page 30: Network Home Page

    USB connection to the device (scroll down this page to view all applicable parameter settings). Acromag, Inc. Tel: 248-295-0880 - 30 - - 30 - http://www.acromag.com...

  • Page 31: Block Diagram

    IP address of your network card to match the module’s subnet address domain. Refer to the block diagram above to gain a better understanding of how this model works. Acromag, Inc. Tel: 248-295-0880 - 31 - - 31 - http://www.acromag.com...

  • Page 32: About Modbus Tcp/Ip

    (Ethernet), with a networking standard (TCP/IP), and a standard method of representing data (Modbus). Then, a Modbus TCP/IP message is simply a Modbus communication encapsulated in an Ethernet TCP/IP wrapper. Acromag, Inc. Tel: 248-295-0880 - 32 - - 32 - http://www.acromag.com...

  • Page 33: Ip Addressing

    TIP: The first node (0), node 10, and the last node (255 for our example) are typically reserved for servers and may yield poor results if used. Acromag, Inc. Tel: 248-295-0880 - 33 - - 33 - http://www.acromag.com...

  • Page 34: Dynamic Host Configuration Protocol (Dhcp)

    Only static IP addresses will ensure a connection every time, while dynamic addresses do not. Acromag, Inc. Tel: 248-295-0880 - 34 - - 34 - http://www.acromag.com...

  • Page 35: Domain Name System (Dns)

    IP addresses. These servers contain information on some segment of the domain name space and make this information available to clients called resolvers. For example, the DNS allows us to use “Acromag.com” as an IP address rather than a more complicated number string.

  • Page 36: Register Functions

    03 (Illegal Data Value) will be returned in the response. Refer to the Modbus spec for a complete list of possible error codes. Note that register mirroring, used in some earlier Acromag models, is not supported by Series XT models.

  • Page 37: Data Types

    The “Support Coil versus Holding Register for Digital Output Writes” option is a global setting that applies to all digital outputs of a module. It is enabled or disabled from the Analog Output/Digital I/O Configuration page of the USB Configuration Software for this model. Acromag, Inc. Tel: 248-295-0880 - 37 - - 37 - http://www.acromag.com...
  • Page 38 0. This logic only switches (signal is applies if the Input Logic Invert active-high). function is set to “No” or disabled. Acromag, Inc. Tel: 248-295-0880 - 38 - - 38 - http://www.acromag.com http://www.acromag.com...
  • Page 39 After reset, these registers read bits are set to 0. 0 (outputs OFF) and these registers are The Invert Input Logic function does not maintained in non-volatile memory. not affect output logic. Acromag, Inc. Tel: 248-295-0880 - 39 - - 39 - http://www.acromag.com http://www.acromag.com...
  • Page 40 // saving time when writing their own code to control the XT1111 or XT1121 // modules from Acromag. As such, Acromag Inc. shall not be held liable for // any direct, indirect or consequential damages with respect to any claims // arising from the content of such software and/or the use made by customers // of the coding information contained herein in connection with their products.
  • Page 41 OutputWord[ channel / 4 ] &= ~0x0004; break; case 3: case 7: case 11: case 15: if( state ) OutputWord[ channel / 4 ] |= 0x0008; else OutputWord[ channel / 4 ] &= ~0x0008; Acromag, Inc. Tel: 248-295-0880 - 41 - - 41 - http://www.acromag.com http://www.acromag.com...
  • Page 42 WriteDigitalOutput(1, ON); WriteDigitalOutput(12, OFF); // write the outputs using whatever Modbus hook you have, this is an example and yours will differ for(Loop=0; Loop<4; Loop++) WriteHoldingRegister(FIRST_DO_HADDRESS + Loop, OutputWord[Loop]); Acromag, Inc. Tel: 248-295-0880 - 42 - - 42 - http://www.acromag.com http://www.acromag.com...

  • Page 43: Troubleshooting

    Return module to Acromag for Acromag’s Application Engineers repair/reprogramming. can provide further technical Unit Fails to Start-up or Initialize…...
  • Page 44 USB Software Fails to Detect Module… Bad USB Connection Recheck USB Cable Connection USB has not enumerated the Use the reset button of the Acromag USB device. isolator to trigger renumeration of the module, or simply unplug and replug the USB cable to the module.
  • Page 45 OFF and you must cycle excitation OFF/ON to the output to restore output operation. Acromag, Inc. Tel: 248-295-0880 - 45 - - 45 - http://www.acromag.com http://www.acromag.com...
  • Page 46 Most 12V supplies are ±10%. This unit does voltage below 11.5V. not operate below 11.5V. Check your actual supply voltage under load and make sure it is at least 11.5V. Acromag, Inc. Tel: 248-295-0880 - 46 - - 46 - http://www.acromag.com http://www.acromag.com...

  • Page 47: Service & Repair Assistance

    The enclosure is not meant to be opened for access and can be damaged easily if snapped apart. Thus, it is highly recommended that a non-functioning module be returned to Acromag for repair or replacement. Acromag has automated test equipment that thoroughly checks and calibrates the performance of each module, and can restore firmware.

  • Page 48: Accessories

    ST, TT, or XT module. It is normally included in XT-SIP. Note that software for all XT Series models is available free of charge, online at www.acromag.com. Acromag, Inc. Tel: 248-295-0880 - 48 - - 48 - http://www.acromag.com...

  • Page 49: Din Rail Bus Connector Kit

    Ethernet Patch Cable, 3 feet long, Model 5035-369 Ethernet Patch Cable, 15 feet long, Model 5035-370 This cable is used to connect a module to your network switch (like an Acromag 900EN-S005 or equivalent Ethernet switch), and is double-shielded for potentially lower emissions and increased RFI resistance.

  • Page 50: Specifications

    SPECIFICATIONS Model Number XT1541-000 (Eight Voltage Output The XT1541-000 is a member of the Acromag DIN-Rail mounted, “Busworks” family Channels combined w/ Four of network I/O modules in the XT Series. The XT1541-000 model provides eight Sourcing Digital I/O Channels) channels of DC Voltage Output, plus four sourcing digital I/O channels.
  • Page 51 Analog Output Cable Length: Output interface cables should not exceed 30m in length for rated performance. Reference Test Conditions: ±10V output into 10KΩ; ambient temperature = 25  C; 24VDC supply. Acromag, Inc. Tel: 248-295-0880 - 51 - - 51 - http://www.acromag.com...

  • Page 52: Digital Outputs & Excitation

    Note: Per UL, when the outputs are used to control interposing relays for switching AC and DC devices of higher voltage/current, the coil ratings for the interposing relay shall not exceed 24VDC, 100mA. Acromag, Inc. Tel: 248-295-0880 - 52 - - 52 - http://www.acromag.com...

  • Page 53: Digital Inputs

    1.7VDC, typical, High-to-Low threshold is 1.6VDC, typical. Logic limits are TTL with 0.8VDC Max LOW level, and 2.0VDC Min HIGH level. Input Resistance: 10K, typical (inputs include 10KΩ pull-downs to return). Acromag, Inc. Tel: 248-295-0880 - 53 - - 53 - http://www.acromag.com...

  • Page 54: Power

    USB shield and signal ground, and this will drive ground loop setup and configured in a safe errors when your I/O is also grounded. environment only. Acromag, Inc. Tel: 248-295-0880 - 54 - - 54 - http://www.acromag.com...

  • Page 55: Ethernet Interface

    Address: The module’s IP address can be preset (static) by the user via USB. At startup, it can be loaded from internal non-volatile memory, or it can be automatically acquired via a network server using DHCP (Dynamic Host Configuration Protocol). Acromag, Inc. Tel: 248-295-0880 - 55 - - 55 - http://www.acromag.com...

  • Page 56: Enclosure & Physical

    This is a Class A Product with Emissions per BS EN 61000-6-4: 1) Enclosure Port, per CISPR 16. 2) Low Voltage AC Mains Port, per CISPR 16. Telecom / Network Port, per CISPR 22. Acromag, Inc. Tel: 248-295-0880 - 56 - - 56 - http://www.acromag.com...

  • Page 57: Agency Approvals

    The following table shows the revision history for this document: Release Date Version EGR/DOC Description of Revision 26-AUG-14 BC/ARP Updated Initial Release. 13-OCT-14 BC/ARP Added UL approvals (removed pending) per 14K010, added MTBF data. Acromag, Inc. Tel: 248-295-0880 - 57 - - 57 - http://www.acromag.com http://www.acromag.com...

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