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Product short description:
  • 8-channel differential analog voltage input
  • Modbus TCP/IP, i2o peer-to-peer communication

These modules interface high-level analog input signals to an Ethernet network. A high-performance design ensures reliable measurements and dependable operation.

968EN: Ethernet Analog Input Module Description

968EN-4008: Industrial-grade units
968EN-4C08: Commercial-grade units

These modules interface high-level analog input signals to an Ethernet network. A high-performance design ensures reliable measurements and dependable operation.

Industrial-grade models add a configurable integrator/totalizer plus superior accuracy and temperature performance compared to the economical commercial-grade version.

Input Ranges: ±5V, ±10V DC (selectable on each channel).

Ethernet Communication: Modbus TCP/IP, 10/100Base-T(X), i2o peer-to-peer.

Power Requirement: 18 to 36V DC, 2.4W.

Approvals: CE, UL/cUL (industrial-grade units only) Zone 2, Class 1, Division 2, ABCD.

i2o Peer-to-Peer Messaging

With Acromag’s i2o technology, you can map each input channel to any output channel on a 97xEN-400x output unit. Select updates based on time or on a percent of range change (100mS or 0.1% resolution).

Performance Specifications

Accuracy
968EN-4008: Less than 0.05% of range.
968EN-4C08: Less than 0.10% of range.

Input Impedance: 4M ohms.

Operating Temperature and Humidity Ranges
968EN-4008: -40 to 70°C (-40 to 158°F).
968EN-4C08: 0 to 55°C (32 to 131°F).

Relative humidity: 5 to 95%, non-condensing.

Isolation
3-way isolation of I/O, power, network circuits.
Peak: 1500V AC, ANSI/ISA-82.01-1988.
Continuous: 250V AC, 354V DC.

  • High-resolution 16-bit A/D
  • Fast scanning of all channels in 8mS
  • 3-way isolation and surge suppression
  • Peer-to-peer i2o communication with percent-of-span or timed-based updates
  • Configurable integration/totalization function with non-volatile registers
  • Dual-format 16/32-bit data registers
  • Scaling registers on all channels
  • Configurable sample averaging
  • Automatic calibration and self-test
  • User-adjustable TCP Ports 1-99,999 for advanced network configuration
  • Web browser configuration with copy utility for fast setup

Differences between Industrial and Commercial Models

Industrial Models Commercial Models
Operating Temp: -40°C to 70°C 0°C to 55°C
Accuracy: 0.05%, Typical 0.1%
Approvals: CE, UL, cUL CE only
Totalizer: Yes Not Available
How to Connect Ethernet I/O Modules with RadioLinx Ethernet Modems - 8500770
Connecting Acromag Series 900EN I/O Modules to an existing network with RadioLinx Ethernet Modems Background – IP Addresses Any TCP/IP packet contains two addresses: a unique fixed MAC address, and a unique IP address. To communicate on the Internet, computers must have unique identifiers in order to differentiate one computer from another. This is accomplished...
How to Determine Flow Totalization Utilizing Analog Ethernet I/O - 8400956
Flow Totalization Utilizing Analog Ethernet I/O Defining the Problem: A municipality wants to monitor water usage and does not have the capability to scale analog data. They want an all-in-one solution which will read, scale, and totalize the inputs from the flow meters. System Requirements: Flow meters producing a DC current (±20mA, 0-20mA, 4-20mA) or...
How to Communicate with Modbus/TCP Modules from Ignition Software - 8501121
Setting Up and Communicating with Acromag Series 9xxEN-40xx and XTxxx1-xxx Modbus/TCP Modules and EtherStax™ Modbus/TCP from Ignition Software This document illustrates a procedure for configuring OPC tags intended for Acromag BusWorks® Series Modbus/TCP modules using Windows software from Inductive Automation. It is assumed that the user has a working knowledge of OPC, Modbus TCP, and...
How to Connect to Acromag Ethernet I/O Devices - 8500815
Getting Connected to Acromag Ethernet I/O Devices These instructions summarize the basic steps you will have to take in order to initially connect an Acromag Ethernet I/O product to your Personal Computer (PC) or laptop. To connect an Ethernet device to your PC, consult with your network administrator. Either temporarily change the TCP/IP configuration of...
How to Connect Acromag 900EN Ethernet Modules to Your PC - 8500734
Connecting Acromag Series 900EN Ethernet Modules to Your PC Objective: The purpose of this document is to provide a procedure for assigning a unique IP address to a second network interface card installed in a personal computer for the purpose of communicating with an Acromag Series 9xxEN Ethernet I/O Module. A procedure for accomplishing IP address...
How to Communicate to Ethernet Modules in an Allen Bradley ControlLogix System - 8400495
Communicating to Acromag Series 9xxEN-6xxx and XTxxx2-xxx Ethernet Modules in an Allen Bradley ControlLogix System Objective: This document illustrates a procedure for integrating the Acromag Series 9xxEN-6xxx modules into the Allen Bradley control system as a third-party generic module. The reference model for this procedure is the Model 961EN-6006. It is assumed that the Acromag...
How to Configure Kepware KEPServerEX 5.0 for Communications with Modbus I/O Modules - 8500880
Configuring Kepware KEPServerEX 5.0 for Communications with Acromag BusWorks Modbus I/O Modules Introduction This document provides example steps for configuring the Kepware KEPServerEX OPC Server for communications with Acromag Busworks Modbus RTU and Modbus TCP/IP Distributed I/O Modules. Once the server is configured, data may be read from or written to the I/O module using...
How to Configure LabVIEW to Communicate with Modbus I/O Modules Via an OPC Server - 8500881
Configuring LabVIEW 2009 to Communicate with Acromag BusWorks and EtherStax Modbus I/O Modules via an OPC Server Introduction National Instruments™ LabVIEW can be used to monitor and control Acromag BusWorks ® and EtherStax ® Modbus I/O modules via an OPC server. A separate application note, Configuring Kepware KEPServerEX® 5.0 for communications with Acromag BusWorks and EtherStax...
How to Configure Omron PLCs with Ethernet/IP for Use with Remote I/O - 8500883
Configuring Omron CJ2H PLC’s with Ethernet/IP for use with Acromag Ethernet/IP Remote I/O Purpose: Acromag Ethernet/IP I/O with Omron CJ2H PLC’s This document walks the user through the configuration of the Cx-One Network Configurator software that is used in conjunction with Omron CJ2H PLC’s. It is assumed that the user has a working knowledge of...
How to Communicate to Ethernet Modules from Legacy Allen Bradley or Rockwell Automation Devices - 8500761
Communicating to Acromag Series 900EN-60xx Ethernet Modules from Legacy Allen Bradley or Rockwell Automation Devices This document illustrates a procedure for configuring message commands for Acromag Series 900EN Ethernet/IP modules, using Ladder Logic programming and an SLC5\05 Programmable Logic Controller. It is assumed that the user has a working knowledge of Ladder Logic programming, the...
How to Configure a Wonderware I/O Server to Communicate with Ethernet Modules - 8500766
How to Configure the Wonderware MBENET I/O Server to Communicate with the Acromag 900EN Series Ethernet Modules Wonderware MBENET The purpose of this document is to provide a procedure for configuring MBENET I/O Server (ie: Modicon Ethernet I/O Server) to communicate with an Acromag 900EN Series Ethernet I/O Module. It is assumed that the user...
How to Communicate to Ethernet Modules from Red Lion HMIs - 8500874
How to Communicate to Acromag Ethernet Modules from Red Lion HMIs Red Lion HMIs This document illustrates a procedure for configuring message commands for Acromag Ethernet modules using the Red Lion Crimson 2.0 software. It is assumed that the user has a working knowledge of the Crimson 2.0 software, as well as a Red Lion...
ESW-MBLIB: Ethernet Modbus C Library Software Information Page (Log in to download the file)
AMTx: Modbus TCP/IP Software Information Page (Log in to download the file)
Ethernet IP EDS for 9xxEN-6xxx Modules (Log in to download the file)
  • Compare

    5035 Series: Ethernet Cables

    • Ethernet straight cable, CAT5
    • Ethernet crossover cable, CAT5E
    • Low EMI Double-Shielded Ethernet Patch Cable
    Select options

Additional information

Weight 10 oz
Dimensions 4.5 × 1.5 × 5 in
Part Number

968EN-4C08: Commercial-grade, 968EN-4008: Industrial-grade

Communication

Ethernet/IP, i2o Peer-to-Peer, Modbus TCP/IP

Product Series

BusWorks 900EN Series

Configuration

Built-in Web pages

  • Description

    968EN: Ethernet Analog Input Module Description

    968EN-4008: Industrial-grade units
    968EN-4C08: Commercial-grade units

    These modules interface high-level analog input signals to an Ethernet network. A high-performance design ensures reliable measurements and dependable operation.

    Industrial-grade models add a configurable integrator/totalizer plus superior accuracy and temperature performance compared to the economical commercial-grade version.

    Input Ranges: ±5V, ±10V DC (selectable on each channel).

    Ethernet Communication: Modbus TCP/IP, 10/100Base-T(X), i2o peer-to-peer.

    Power Requirement: 18 to 36V DC, 2.4W.

    Approvals: CE, UL/cUL (industrial-grade units only) Zone 2, Class 1, Division 2, ABCD.

    i2o Peer-to-Peer Messaging

    With Acromag’s i2o technology, you can map each input channel to any output channel on a 97xEN-400x output unit. Select updates based on time or on a percent of range change (100mS or 0.1% resolution).

    Performance Specifications

    Accuracy
    968EN-4008: Less than 0.05% of range.
    968EN-4C08: Less than 0.10% of range.

    Input Impedance: 4M ohms.

    Operating Temperature and Humidity Ranges
    968EN-4008: -40 to 70°C (-40 to 158°F).
    968EN-4C08: 0 to 55°C (32 to 131°F).

    Relative humidity: 5 to 95%, non-condensing.

    Isolation
    3-way isolation of I/O, power, network circuits.
    Peak: 1500V AC, ANSI/ISA-82.01-1988.
    Continuous: 250V AC, 354V DC.

  • Features & Benefits

    • High-resolution 16-bit A/D
    • Fast scanning of all channels in 8mS
    • 3-way isolation and surge suppression
    • Peer-to-peer i2o communication with percent-of-span or timed-based updates
    • Configurable integration/totalization function with non-volatile registers
    • Dual-format 16/32-bit data registers
    • Scaling registers on all channels
    • Configurable sample averaging
    • Automatic calibration and self-test
    • User-adjustable TCP Ports 1-99,999 for advanced network configuration
    • Web browser configuration with copy utility for fast setup

    Differences between Industrial and Commercial Models

    Industrial Models Commercial Models
    Operating Temp: -40°C to 70°C 0°C to 55°C
    Accuracy: 0.05%, Typical 0.1%
    Approvals: CE, UL, cUL CE only
    Totalizer: Yes Not Available
  • Tech Papers

    How to Connect Ethernet I/O Modules with RadioLinx Ethernet Modems - 8500770
    Connecting Acromag Series 900EN I/O Modules to an existing network with RadioLinx Ethernet Modems Background – IP Addresses Any TCP/IP packet contains two addresses: a unique fixed MAC address, and a unique IP address. To communicate on the Internet, computers must have unique identifiers in order to differentiate one computer from another. This is accomplished...
    How to Determine Flow Totalization Utilizing Analog Ethernet I/O - 8400956
    Flow Totalization Utilizing Analog Ethernet I/O Defining the Problem: A municipality wants to monitor water usage and does not have the capability to scale analog data. They want an all-in-one solution which will read, scale, and totalize the inputs from the flow meters. System Requirements: Flow meters producing a DC current (±20mA, 0-20mA, 4-20mA) or...
    How to Communicate with Modbus/TCP Modules from Ignition Software - 8501121
    Setting Up and Communicating with Acromag Series 9xxEN-40xx and XTxxx1-xxx Modbus/TCP Modules and EtherStax™ Modbus/TCP from Ignition Software This document illustrates a procedure for configuring OPC tags intended for Acromag BusWorks® Series Modbus/TCP modules using Windows software from Inductive Automation. It is assumed that the user has a working knowledge of OPC, Modbus TCP, and...
    How to Connect to Acromag Ethernet I/O Devices - 8500815
    Getting Connected to Acromag Ethernet I/O Devices These instructions summarize the basic steps you will have to take in order to initially connect an Acromag Ethernet I/O product to your Personal Computer (PC) or laptop. To connect an Ethernet device to your PC, consult with your network administrator. Either temporarily change the TCP/IP configuration of...
    How to Connect Acromag 900EN Ethernet Modules to Your PC - 8500734
    Connecting Acromag Series 900EN Ethernet Modules to Your PC Objective: The purpose of this document is to provide a procedure for assigning a unique IP address to a second network interface card installed in a personal computer for the purpose of communicating with an Acromag Series 9xxEN Ethernet I/O Module. A procedure for accomplishing IP address...
    How to Communicate to Ethernet Modules in an Allen Bradley ControlLogix System - 8400495
    Communicating to Acromag Series 9xxEN-6xxx and XTxxx2-xxx Ethernet Modules in an Allen Bradley ControlLogix System Objective: This document illustrates a procedure for integrating the Acromag Series 9xxEN-6xxx modules into the Allen Bradley control system as a third-party generic module. The reference model for this procedure is the Model 961EN-6006. It is assumed that the Acromag...
    How to Configure Kepware KEPServerEX 5.0 for Communications with Modbus I/O Modules - 8500880
    Configuring Kepware KEPServerEX 5.0 for Communications with Acromag BusWorks Modbus I/O Modules Introduction This document provides example steps for configuring the Kepware KEPServerEX OPC Server for communications with Acromag Busworks Modbus RTU and Modbus TCP/IP Distributed I/O Modules. Once the server is configured, data may be read from or written to the I/O module using...
    How to Configure LabVIEW to Communicate with Modbus I/O Modules Via an OPC Server - 8500881
    Configuring LabVIEW 2009 to Communicate with Acromag BusWorks and EtherStax Modbus I/O Modules via an OPC Server Introduction National Instruments™ LabVIEW can be used to monitor and control Acromag BusWorks ® and EtherStax ® Modbus I/O modules via an OPC server. A separate application note, Configuring Kepware KEPServerEX® 5.0 for communications with Acromag BusWorks and EtherStax...
    How to Configure Omron PLCs with Ethernet/IP for Use with Remote I/O - 8500883
    Configuring Omron CJ2H PLC’s with Ethernet/IP for use with Acromag Ethernet/IP Remote I/O Purpose: Acromag Ethernet/IP I/O with Omron CJ2H PLC’s This document walks the user through the configuration of the Cx-One Network Configurator software that is used in conjunction with Omron CJ2H PLC’s. It is assumed that the user has a working knowledge of...
    How to Communicate to Ethernet Modules from Legacy Allen Bradley or Rockwell Automation Devices - 8500761
    Communicating to Acromag Series 900EN-60xx Ethernet Modules from Legacy Allen Bradley or Rockwell Automation Devices This document illustrates a procedure for configuring message commands for Acromag Series 900EN Ethernet/IP modules, using Ladder Logic programming and an SLC5\05 Programmable Logic Controller. It is assumed that the user has a working knowledge of Ladder Logic programming, the...
    How to Configure a Wonderware I/O Server to Communicate with Ethernet Modules - 8500766
    How to Configure the Wonderware MBENET I/O Server to Communicate with the Acromag 900EN Series Ethernet Modules Wonderware MBENET The purpose of this document is to provide a procedure for configuring MBENET I/O Server (ie: Modicon Ethernet I/O Server) to communicate with an Acromag 900EN Series Ethernet I/O Module. It is assumed that the user...
    How to Communicate to Ethernet Modules from Red Lion HMIs - 8500874
    How to Communicate to Acromag Ethernet Modules from Red Lion HMIs Red Lion HMIs This document illustrates a procedure for configuring message commands for Acromag Ethernet modules using the Red Lion Crimson 2.0 software. It is assumed that the user has a working knowledge of the Crimson 2.0 software, as well as a Red Lion...
  • Specs & Data Sheets

  • Software

    ESW-MBLIB: Ethernet Modbus C Library Software Information Page (Log in to download the file)
    AMTx: Modbus TCP/IP Software Information Page (Log in to download the file)
    Ethernet IP EDS for 9xxEN-6xxx Modules (Log in to download the file)
  • Accessories

    • Compare

      5035 Series: Ethernet Cables

      • Ethernet straight cable, CAT5
      • Ethernet crossover cable, CAT5E
      • Low EMI Double-Shielded Ethernet Patch Cable
      Select options
  • Additional information

    Additional information

    Weight 10 oz
    Dimensions 4.5 × 1.5 × 5 in
    Part Number

    968EN-4C08: Commercial-grade, 968EN-4008: Industrial-grade

    Communication

    Ethernet/IP, i2o Peer-to-Peer, Modbus TCP/IP

    Product Series

    BusWorks 900EN Series

    Configuration

    Built-in Web pages