Acromag BusWorks 900EN Series User Manual
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Acromag BusWorks 900EN Series User Manual

Modbus tcp/ip 10/100m industrial ethernet i/o modules
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  • Page 1 (217) 352-9330 | Click HERE Find the Acromag BusWorks 951EN-4012 at our website:...
  • Page 2 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 Web: http://www.acromag.com Copyright 2004-2014, Acromag, Inc., Printed in the USA. 8500759H Data and specifications are subject to change without notice.

  • Page 3: Table Of Contents

    Digital Outputs……………………………………. you perform satisfactory Analog Outputs…………………………………… overall system design and it is Analog Inputs…..……………..………………… agreed between you and General Specifications………………………….. Acromag, that this is your Enclosure and Physical…………………………. responsibility. Agency Approvals…..……………………………. Environmental…………………………………….. Ethernet Interface………………………………… Controls & Indicators……………………………. Windows® is a registered ACCESSORY CABLES…………………………………...

  • Page 4: Mounting And Dimensions

    TRANSFORMER isolated from each other for Model 951EN-x012 safety and noise immunity. DIGITAL IN or OUT ANALOG OUT 13 14 21 22 24 25 DIGITAL I/O ANALOG DIGITAL I/O EXCITATION OUTPUTS _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 5: I/O Pull-Down Resistor Installation

    PRY WITH SCREWDRIVER INSERTED IN SLOT HERE (do not twist the screwdriver to avoid (DO NOT TWIST TO AVOID DAMAGING PLASTIC TAB) damaging plastic). PUSH SCREWDRIVER AS SHOWN TO TILT AND LIFT MODULE OFF RAIL _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 6: Network

    Refer to the Accessory Cables section at the back of this manual for more information on accessory cables, including patch and crossover cables available from Acromag and other vendors. HOST PC CONNECTED DIRECTLY TO A MODULE Ac ro m a g Note: T his M DI-to-M DI connection requires the use of a crossover cable.

  • Page 7: Power

    CABLE CONNECTIONS. Ac ro m a g (Straight-Through or Crossover Cable) ETHERNET Acromag offers a straight-through patch cable (Model 5035-355), or a crossover cable (Model 5035-360) for use with Series 9xxEN modules. CAT-5 UTP CABLE LI NK UP TO 100 METERS...

  • Page 8: Digital Inputs

    CONNECTED ON (1) HANGING INPUTS SHOULD NOT BE LEFT FLOATING 100K OFF (0) SIP RESISTOR 5-35V OPEN SOCKET Typical THIS CIRCUIT UTILIZES THE INTERNAL SOCKETED SIP RESISTOR TO PULL DOWN A FLOATING INPUT _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 9 OUTPUT SOURCE LEAD FOR CONVENIENT LOOPBACK MONITORING OF THE OUTPUT STATE (6-35V) LIMIT EXCITATION TO 35V ON (1) LIMIT LOAD TO 330mA 100K OFF (0) 5.6K SIP RESISTOR INSTALLED IN SOCKET PULLDOWN SIP RESISTOR _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 10: Digital Outputs

    THE INDUCTOR (RELAY COIL) IS TURNED OFF. NOTE 3: UNITS INCLUDE AN INTERNAL SOCKETED PULL-DOWN RESISTOR SIP TIED TO THE OUTPUT SOURCES. YOU SHOULD REMOVE THIS RESISTOR SIP FOR APPLICATIONS WIRED AS SHOWN. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 11: Analog Outputs

    DC mA RTN. This will prevent the (952EN) module from converting signals less than or near 0V. AC CURRENT SENSOR 5020-350 Connection to Acromag AC RED WIRE (+) Current Sensor 5020-350 AI 3+ 951EN SIM PLIFIED BLACK WIRE (-) INTERNAL CONNECTIONS (951EN Only).

  • Page 12: Earth Ground

    The ground connections noted are recommended for best results. If sensors are already grounded, use caution and avoid making additional ground connections which could create ground loops. The plastic module housing does not require earth ground. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 13: Web Browser

    Then the password and username will revert to the original defaults noted above, allowing you to re- invoke the Password Configuration Page and change the username and password settings as required. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 14: Password Configuration Page

    After setting your username and password, you can click the “Network Network Configuration Configuration Page” button to set the network configuration parameters for the module. You may have to consult your network administrator for help to complete the contents of this page. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 15 128.1.1.100 (refer to product side label). DHCP server is present. NOTE: In order to network your PC with an Acromag module, you may have to consult with your network administrator and either temporarily change your TCP/IP configuration (see TCP/IP Properties of Network Configuration in Windows), or create a separate private network using a second network adapter installed in your PC (recommended).
  • Page 16 In this mode, the module’s green RUN LED will blink to confirm identification as an aide to locating a specific module on a network. Refer to the Technical Reference section of this manual to learn more about IP Addressing terms and concepts. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 17: I/O Mapping Page (Optional I2O Function)

    WEB BROWSER output communication) that allows it to send its digital and/or analog input information to the digital and/or analog output channels on another Acromag I/O Mapping Page 951EN-4012 or 952EN-4012 (or to the analog outputs of the same module).
  • Page 18 Note that if you perform the procedure for restoring a module to its original configuration as outlined in the “Getting Out Of Trouble” section of this manual, all of the i2o mapping variables are returned to their default values and mapping may have to be reconfigured. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 19 Model 952EN-4012 additionally choose to map analog inputs 2 and/or 3 to the local analog outputs (internal) on the same module. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 20: Test Page - Analog I/O

    You can click your browser’s refresh button to get a new output update. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 21: Test Page - Digital I/O

    Page to test operation of your digital I/O channels. Use the Digital Test Page to turn outputs on/off, read inputs, and set the output watchdog time and timeout states. Use the scroll bar on the right to scroll down the page as shown below: _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 22: Calibration Page - Analog Input

    The following table gives the input calibration values for this model. These represent the input signals required to calibrate the analog input range endpoints. Your success in recalibrating the inputs will depend upon the accuracy and precision of your signal source. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 23 (one channel at a time). If you were calibrating the zero of channel 0, you would write 0x0001 to the Zero Calibration Register. The module will replace calibration coefficients immediately, no reset needed. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 24: Calibration Page - Analog Output

    The Analog Output Calibration Page will allow you to recalibrate the two analog output channel’s zero and span signals as required. Analog Output Use the scroll bar on the right to scroll down the page as shown below: _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 25 Uncalibrated, they approximate the required endpoint signal. Your measured value is then used to adjust the count values as required to precisely reproduce the endpoint signals. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 26 6. Next select Span (for best results, always calibrate zero before span). Click the “Set Output” button and an “ideal” full-scale count (20000) will be written to the DAC. The output will go to approximately full- scale. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 27 If significant error is noted, then you must perform the calibration procedure a second time, making sure that you precisely adjust your output signal for zero and span as required. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 28: Troubleshooting

    MDI. If you are exchange the module with a in same position and known good unit. Acromag’s connecting to an Ethernet read the wire colors switch or hub, then a direct Application Engineers can through the clear cable is used.

  • Page 29: Trouble Browsing Your Module

    (located on the CDROM shipped Module? with your module or via download from our web site at www.acromag.com). This document gives details for changing your PC’s TCP/IP configuration in order to communicate with your module (see TCP/IP Properties of Network Configuration in Windows).

  • Page 30: Technical Reference

    Wide-Range DC-Power – Wide range diode-coupled for use with redundant supplies, and/or battery back-up. • Hardened For Harsh Environments – For protection from RFI, EMI, ESD, EFT, & surges. Has low radiated emissions per CE requirements. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 31: How It Works

    The 951EN module may also condition AC current input signals when used with an optional AC current sensor (Acromag Model 5020-350). The current inputs sink into a precision 50Ω resistor and the four separate inputs are driven to separate channels of a 16-bit A/D converter.
  • Page 32 From the drawing, note that the analog input common is not the same as the analog output and digital I/O return. It is positive biased with respect to return to support bipolar input signal ranges. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 33: About Modbus Tcp/Ip

    9xxMB Modbus modules. The operation over Ethernet is essentially transparent to the Modbus register/command structure. If you are already familiar with Modbus or with Acromag Series 9xxMB modules, then you are already familiar with the operation of the 9xxEN modules.
  • Page 34 With respect to the default settings of this module: default address of this module. Subnet Mask 255.255.255.0 (11111111.11111111.11111111.00000000) Use of these node addresses IP Address: 128.1.1.100 (10000000.00000001.00000001.01100100) for any other purpose may Subnet Address: 128.1.1.0 (1000000.00000001.00000001.00000000) yield poor performance. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 35: Dynamic Host Configuration Protocol

    IP address. The DNS is actually a distributed database of domain names and corresponding IP addresses. The DNS allows us to use Acromag.com as an IP address rather than a complicated string of numbers. Note that name servers contain information on some segment of the domain name space and make this information available to clients called resolvers.

  • Page 36: Register Functions

    Note: Model 952EN-4012 has a slave ID of 10H, and a firmware number of 9300-135. For detailed information on Modbus, feel free to download our technical reference “Introduction To Modbus” at www.acromag.com. For convenience, 9xxEN Ethernet modules also mirror the contents and Register Mirroring operation of registers 0xxxx, 1xxxx, &...

  • Page 37: Data Types

    “Write Multiple Coils” function for that. Note that with respect to Acromag 9xxMB Modbus RTU modules, only 3xxxx Input Registers are mirrored into 4xxxx space, not Coil or Input Status registers as noted here for 9xxEN models.

  • Page 38: Register Map

    (active-high). A clear bit (0) means the input is OFF (low). Failure to install I/O pull-downs or provide port excitation will Bits 15-6: 0/Not Used. Unused bits in leave inputs and/or outputs range 15-6 are set to 0. floating. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 39 43010. For convenience, this 0-20mA input range = 0-20,000; data is repeated in the 40000 4-20mA input range = 0-20,000; R/W space at 40104 through -10 to +10V input range =-20,000 to 40107. +20,000. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 40 Set to 65535 (FFFFH) or 0 (0000H) to Time disable watchdog timer. Default=0 40005 AO CH1 Can be set from 1 to 65534 seconds. (0004) Watchdog Set to 65535 (FFFFH) or 0 (0000H) to Time disable watchdog timer. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 41 Same format as DO CH0 above applied 40015 (000E) Timeout to DO CH1 (see Register 40014). State DO CH2 Same format as DO CH0 above applied 40016 (000F) Timeout to DO CH2 (see Register 40014). State _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 42 AI CH0 Cal Lo Raw A/D Count Value 40033 (0020) Range 0 0-20mA (951EN) or ±10V (952EN) AI CH0 Cal Hi Raw A/D Count Value 40034 (0021) Range 1 4-20mA (951EN) or ±5V (952EN) _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 43 AI CH3 Cal Raw A/D Count Value 40059 (003A) Lo Range 1 4-20mA (951EN) or ±5V (952EN) AI CH3 Cal Raw A/D Count Value 40060 (003B) Hi Range 2 0-11.17mA (951EN) or ±1V (952EN) _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 44 For AI CH 1, write Only 0002H. For AI CH2, write 0004H. For AI CH3, write 0008H. IMPORTANT: You must FIRST write 5E2AH into the Calibration Access Register (Register 40031) before attempting calibration. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 45 Bit 4: 1=Watchdog Timeout DIO CH 2 Bit 3: 1=Watchdog Timeout DIO CH 1 Bit 2: 1=Watchdog Timeout DIO CH 0 Bit 1: 1=Watchdog Timeout AO CH 1 Bit 0: 1=Watchdog Timeout AO CH 0. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 46 Same format as AI CH0 Register 40104, (0069) Input Value but applied to AI CH2 . AI CH3 Same format as AI CH0 Register 40104, 40107 (006A) Input Value but applied to AI CH3 . _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 47 0-20000 counts represent 0-1mA, excluding negative values. WARNING: Access to the calibration registers is not normally required and unintentional writes to these registers should be avoided to prevent module miscalibration. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 48: Specifications

    Note: To control higher voltages and/or currents, or for controlling AC, an interposing relay may be used (see Output Connections for example). Output Operating Voltage Range: 6V to 35V DC. Limit voltage to 35V or less or damage to the unit may result. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 49: Analog Outputs

    Note that the over-range DAC count is internally limited to approximately 60998, or 21.1mA. Internal DAC Count Versus Current Output Range Range DAC 0% DAC 100% DAC Span 0-1mA 2891 2891 4-20mA 11564 57818 46254 0-20mA 57818 57818 _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 50: Analog Inputs

    (951EN), or DC voltage applications (952EN). AC current inputs can be accommodated on 951EN when used with an optional 951EN – Current AC current sensor (Acromag Model 5020-350). The units can accept one of 952EN – Voltage several input ranges as described below.
  • Page 51 AC current signals 951EN – Current (Acromag Model 5020-350). This sensor generates a DC milliampere signal of 0 to 11.17mA for the module (see Table 1 below for scaling to 952EN – Voltage AC current).

  • Page 52: General Specifications

    EXC+ and the RTN terminals at TB2-1,2. The recommended SIP resistor is an isolated resistor type (up to 12 pins) and may be obtained from Acromag or another vendor. These SIP resistors typically come rated for 0.2W, 0.3W, 0.4W, or 0.5W per element.

  • Page 53: Enclosure And Physical

    TVS). Connections are wired MDI, as opposed to MDI-X. You must use a CAT-5 crossover cable to connect this module to a PC. Otherwise you may use an auto-crossing Ethernet switch, such as the Acromag 900EN-S005 to make connections. RJ-45 Signal (MDI)

  • Page 54: Environmental

    4) Surge Immunity, per IEC 61000-4-5. 5) Conducted RF Immunity (CRFI), per IEC 61000-4-6. Emissions per BS EN 61000-6-4: 1) Enclosure Port, per CISPR 16. 2) Low Voltage AC Mains Port, Per CISPR 16. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

  • Page 55: Ethernet Interface

    Port Status Indicators: Green LED indicates link status (ON if auto- negotiation has successfully established a connection), yellow LED indicates activity (ethernet connection is busy/traffic is present). Refer to Acromag Application Address: The module IP address can be preset by the user and loaded Note 8500-734 for instructions...

  • Page 56: Controls & Indicators

    TIA/EIA 568-A standard. This device is designed for use in harsh industrial environments. Acromag recommends the use of shielded cable when wiring to this device. Select STP (Shielded Twisted Pair) cable rather than UTP (Unshielded Twisted Pair).
  • Page 57 In the Acromag 9xxEN modules, it makes contact with earth ground via a high voltage capacitor and transient voltage suppressor. In addition to...

  • Page 58: Revision History

    Added ATEX and updated CE specifications (ECN 12L019). 21 APR 14 CAP/SRW Update ATEX per latest standards (ECO 14D012). Update “WARNING - EXPLOSION HAZARD - Substitution 10 JAN 2019 CAP/ARP of any components...” per uL. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
  • Page 59 BusWorks® 951/952EN User’s Manual Modbus TCP/IP Multi-Function I/O __________________________________________________________________ Notes: _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...

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