Acromag BusWorks 900EN Series User Manual
Modbus tcp/ip 10/100mb industrial ethernet i/o modules. sixteen ch single-ended current/voltage inputs
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Summary of Contents for Acromag BusWorks 900EN Series
- Page 1 (217) 352-9330 | Click HERE Find the Acromag BusWorks 993EN-4016 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 2009-2014 Acromag, Inc., Printed in the USA. 8500814G Data and specifications are subject to change without notice.
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Page 3: Table Of Contents
This is very important where property loss or human life is Symbols on equipment: involved. It is important that you perform satisfactory overall system design and it is agreed between you and Acromag, that this is your responsibility. GETTING STARTED QUICK START…………………………………………... -
Page 4: Quick Start
What if you do not already know the IP address of the unit? All Acromag Ethernet devices include an alternate default mode of operation with a fixed IP address set to 128.1.1.100. Additionally, the user- programmable IP address that is used outside of default mode is also initially set to 128.1.1.100 from the factory. - Page 5 Return: At this point, if the green RUN LED continues to blink after resetting and after restoring, then you may need to return the unit for repair. If you need additional help and you have already reviewed the material in this manual, please contact the factory. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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Page 6: Mounting And Dimensions
The I/O circuit, network, and 5.0V TRANSFORMER power circuits are isolated 993/4EN from each other for safety and ISOLATION noise immunity. DIAGRAM ANALOG IN: 0-5 ANALOG IN: 6-11 25 26 ANALOG IN ANALOG IN _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 7: Connections
(the Ethernet port of your PC is typically wired MDI). Thus, you can use either a straight-through or crossover cable to connect this device directly to a PC, Ethernet switch, or another unit. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... - Page 8 PC or laptop with a NIC installed. In any case, you must set the address of your network interface card to an address within the default address domain of the Acromag unit. That is, an address from 128.1.1.0 to 128.1.1.255, except for 128.1.1.0 which is typically reserved for servers, and 128.1.1.100, which is the default address of the 993/4EN itself.
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Page 9: Power
You can use an Ethernet switch or switching hub to build a network of CONNECTIONS Ethernet modules, similar to that shown below. This drawing shows how to network-connect these modules to a 5-port Ethernet switch (Acromag Model Network 900EN-S005). Note that the 900EN-S005 switch includes automatic... -
Page 10: Earth Ground
To A/D DC mA R NOT E: GROUNDING (+/-10V) IF CURRENT LOOP IS NOT ALREADY GROUNDED, T HEN IT IS RECOMMENDED T HAT YOU CONNECT COMMON (C) T O EART H GROUND AS SHOWN. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 11: Analog Common
“C” if your input signals are not already earth grounded. Note that you only need to connect earth ground to one of these common terminals to earth ground the input circuit. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 12: Web Browser
(hold this button for 5 seconds to invoke default mode). In this mode, the password and username will revert to the original defaults noted (unit assumes IP address 128.1.1.100), allowing you to re-invoke the Password Configuration Page and change the username and password as required. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 13: Password Configuration Page
Use this screen to set the network configuration parameters for your module (these parameters cannot be set via Modbus registers). You may have to consult your network administrator 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 14 Default Mode uses a static IP Note: In order to network your PC with an Acromag module, you may have address of “128.1.1.100”, a to consult with your network administrator and either temporarily change the...
- Page 15 Host Name (see above). Use DHCP tells the unit its IP address is to be obtained dynamically, and may change each time this device is connected to the network. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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Page 16: Input Configuration Page
Once you have carefully made your selections, click the “Channel Configuration Submit” button at the bottom of the page to activate your configuration (reconfiguration takes effect immediately following “Channel Configuration Submit”). _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... - Page 17 0mA, or 4mA) and this cannot be changed. The indicated value will correspond to 0% of signal and a normalized count of -20000 for ±20mA range, or 0 for the 0-20mA and 4-20mA ranges. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 18 If you are using only a portion of this range, you may have to interpolate your scaled full-scale. Units: For reference, enter the units of measure for your rescaled zero and full-scale. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 19 Last Value is selected here. Channel Configuration Submit: Click this button to submit your channel configuration selections. Select another channel and repeat this process for each channel of this unit. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 20 So leave it off if you don’t need to rescale or totalize. Note that even with floating point disabled, the measured input value will still indicate a floating point number, but the scaling and totalizing field will indicate “Inactive”. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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Page 21: Test Page
Click and drag this control to set the rate at which you wish to read the inputs via this web page. The rate is indicated just to the right of this control. Disable input polling by dragging it to the far right. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 22: Calibration Page
Use the scroll bars to the right to scroll down the page. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... - Page 23 (i.e. each A/D channel). To begin, at the top of the Input Calibration Page, first select the channel to be calibrated. Next select the Calibration Configuration for the channel before continuing. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 24 _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 25 The on-board calibration reference used for automatic calibration can be separately calibrated by accurately measuring its value and entering it in the field provided in the Voltage Reference Calibration section of this page. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 26 26214 parts for ±20mA (±13107parts), or one in 13107 parts for 0-20mA. For simplification, the raw A/D count for selected input ranges is normalized to a count of 0-20000. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 27 Zero calibration Step 1. The A/D ±5V or ±10V range is now calibrated for this channel. Note that the 993EN always uses ±20mA into its 200Ω shunt to drive 4.0V to the ±10V A/D input. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 28 7. Repeat these steps for the other input channels to be calibrated. 8. When finished calibrating, write 0x0000 to the Calibration Access Register to replace write protection for the calibration registers and to help prevent potential miscalibration. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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Page 29: Utility Page
This is because the first click only activates the control. Use the scroll bar on the right to continue scrolling 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 30 (destination stations may still require their own calibration). Note: Unit will only export its configuration to identical model numbers. Thus, an industrial 994EN-4016 model cannot export to a commercial 994EN-4C16 model. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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Page 31: Troubleshooting
Cannot Browse Unit… Your browser may be setup to use Temporarily disable the use of a a proxy server for LAN proxy server by your browser (see communications. procedure of next page). _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... - Page 32 Calibration Page and make sure a voltage between 4.9965 and 5.0035 (5V±0.07%) is indicated. If not, you may attempt to calibrate this yourself, or return the unit to Acromag for calibration, repair, or replacement. Current Inputs Have Greater Inaccuracy… Auto calibration of current inputs...
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Page 33: Trouble Browsing Your Module
BusWorks® 993/4EN User’s Manual Modbus TCP/IP Analog Input _________________________________________________________________________________ Refer to Acromag Application Note 8500-734 for help in setting up network TROUBLE- communication with your unit (see CDROM shipped with unit or down-load it SHOOTING from www.acromag.com). This document gives details for changing your PC’s TCP/IP configuration in order to communicate with hardware similar to... -
Page 34: Technical Reference
“Plug-In” Terminal Blocks make wiring removal & replacement easy. • Enclosure Has Integrated DIN-Rail Mount for “T” type DIN rail. • Wide-Range DC-Power is series diode-coupled for use with redundant supplies, and/or battery back-up. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 35: How It Works
THERE IS ONE PORT OF EIGHT DIFFERENTIAL CHANNELS. THERE ARE TWO ANALOG COMMONS. PUSH +12V YOU MUST CONNECT ANALOG COMMON +3.3V BUTTON TO EARTH GROUND TO KEEP INPUT CIRCUIT FROM FLOATING. 5.000V CAL REFERENCE _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 36: Modbus Registers
Below is a subset of standard Modbus functions that are supported by this unit along with the reference register address group that the function operates on. Use these functions to access these registers as outlined in the Register Map for sending and retrieving data. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 37: Register Mirroring
For detailed information on Modbus, feel free to download our technical reference 8500-648, “Introduction To Modbus”, at www.acromag.com. You can also find more information specific to Modbus TCP/IP by downloading whitepaper 8500-765, “Introduction To Modbus TCP/IP”. -
Page 38: Data Types
TC type measured in degrees C. For example, a JTC type has a range of -210 to 760C, which read -2100 to 7600 counts within the data register respectively. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 39: Register Map
CH 03 Data 16-bit Signed Integer Data 30021 range (or 0-20000 for 0-100% 0015 CH 04 Data 16-bit Signed Integer Data 30022 of unipolar ranges). 30023 0016 CH 05 Data 16-bit Signed Integer Data _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... - Page 40 30067 0042 CH 00 Data HI IEEE-754 Floating Point HI Bytes 0043 CH 01 Data LO IEEE-754 Floating Point LO Bytes 30068 0044 CH 01 Data HI IEEE-754 Floating Point HI Bytes 30069 _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 41 005E CH 14 Data HI IEEE-754 Floating Point HI Bytes 30095 30096 005F CH 15 Data LO IEEE-754 Floating Point LO Bytes 0060 CH 15 Data HI IEEE-754 Floating Point HI Bytes 30097 _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 42 000A CH10 Config 40011 See explanation for channel 00 above. 000B CH11 Config 40012 40013 000C CH12 Config See explanation for channel 00 above. *Note: Totalizer option is not available on commercial models. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 43 16-bit Signed Integer Data not attempt to directly modify 40031 (001E) CH1 ±10V Cal HI 16-bit Signed Integer Data the contents of these registers. (001F) CH1 ±10V Cal LO 16-bit Signed Integer Data 40032 _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 44 16-bit Signed Integer Data 40077 40078 (004D) CH13 ±5V Cal LO 16-bit Signed Integer Data (004E) CH13 ±10V Cal HI 16-bit Signed Integer Data 40079 (004F) CH13 ±10V Cal LO 16-bit Signed Integer Data 40080 _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 45 A/D to sample the corresponding input(s) and store the positive calibration signal (lsb is lowest numbered channel of this group). First write 24106 to Calibration Access Register 40021 to remove write-protection from the calibration value registers. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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Page 46: Default Register Settings
Host Name communications. Select Static, DHCP, or DHCP w/Fallback Addressing Wink On/Off Self-Test Utility Export Configuration & Export IP Address Scaling Values Scaling Units Preload or Totalizer Value Calibration Reference Measured Value _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 47: Specifications
Connections section for details). Inputs are bipolar single-ended and the signal can be input to either terminal and returned on the opposite terminal. The following paragraphs summarize this model’s input types, ranges, and applicable specifications. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... - Page 48 Input Reference Test Conditions: ±20mA (993EN), or ±10V (994EN) input; ambient temperature = 25 C; 24VDC supply. Input Over Voltage Protection: Bipolar Transient Voltage Suppressors (TVS), clamp level less than 50V and greater than 18V. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
- Page 49 16-bit registers used to store a 32-bit floating point value. Select the byte order compatible with your system. Note that B0 refers to the Least Significant Byte and B3 to the Most Significant Byte. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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Page 50: Memory
PSRAM (Volatile): This 4 Megabyte memory is external to the central processor and used as the run time memory for high-speed execution of this unit’s internal program. Its contents are cleared on power-down. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 51: Enclosure And Physical
10m in length. Divide power by your voltage to approximate maximum current and select a supply that can deliver at least twice this surge tolerant fuse rated for amount. 250mA or less to protect unit. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 52: Reliability Predictions (Mtbf)
Reference Standard: CNR indicates investigation to Canadian Standard C22.2, No’s. 142-M1987 & 213-M1987; USR indicates investigation to United States UL Standards 508 Seventeenth Edition & ISA 12.12.01:2000. _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com... -
Page 53: Ethernet Interface
Refer to Acromag Application IP Address: The module IP address can be preset by the user (static) and Note 8500-734 for instructions... -
Page 54: Accessory Cables
TIA/EIA 568A standard. Category 5 cable includes four twisted wire pairs at eight twists per foot. 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 55 Cable Model 5035-355 – A yellow, 3 foot long, single-shielded Category 5e STP patch cable with drain wire and an RJ45 plug at both ends. Use this cable to connect an Acromag 9xxEN I/O module to the Acromag 900EN- Patch Cables &...
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Page 56: Revision History
Update input over/under range specifications (ECN 12A011). 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. Notes: _______________________________________________________________________________________ Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:sales@acromag.com http://www.acromag.com...
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