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Product short description:
  • 16-channel single-ended analog voltage input
  • Modbus TCP/IP communication

These modules interface high-level analog input signals to an Ethernet control 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.

994EN: Ethernet Analog Input Module Description

994EN-4016: Industrial-grade units
994EN-4C16: Commercial-grade units

These modules interface high-level analog input signals to an Ethernet control 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).

Power Requirement: 18 to 36V DC, 2.0W.

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

Learn more about the 900EN Series and view all models >

994EN: Ethernet Analog Input Module Features & Benefits

  • High-resolution 16-bit A/D
  •  Fast scanning of all channels in 8mS
  •  3-way isolation and surge suppression
  •  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 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 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...
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)
  • 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

994EN-4C16: Commercial-grade, 994EN-4016: Industrial-grade

Communication

Modbus TCP/IP

Configuration

Built-in Web pages

Power

DC Power

Product Series

BusWorks 900EN Series

  • Description

    994EN: Ethernet Analog Input Module Description

    994EN-4016: Industrial-grade units
    994EN-4C16: Commercial-grade units

    These modules interface high-level analog input signals to an Ethernet control 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).

    Power Requirement: 18 to 36V DC, 2.0W.

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

    Learn more about the 900EN Series and view all models >

    994EN: Ethernet Analog Input Module Features & Benefits

    • High-resolution 16-bit A/D
    •  Fast scanning of all channels in 8mS
    •  3-way isolation and surge suppression
    •  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 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 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...
  • 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)
  • 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

    994EN-4C16: Commercial-grade, 994EN-4016: Industrial-grade

    Communication

    Modbus TCP/IP

    Configuration

    Built-in Web pages

    Power

    DC Power

    Product Series

    BusWorks 900EN Series