Acromag remote I/O modules feature signal conditioners and network I/O  for a broad range of monitoring and control operations where controllers communicate with instrumentation on the plant floor or in the field. Signal Conditioners include signal transmitters, signal isolators, 4-20mA signal splitters, limit alarms and computation modules. These signal conditioners input voltage, current, thermocouple, RTD, frequency, thermistor, load cell, potentiometer, and discrete sensors. These signal conditioners output DC voltage and current, relay, frequency, pulse width modulation and display/readout. Ethernet remote I/O modules communicate via Ethernet/IP, Modbus TCP/IP, Modbus UDP/IP, and Profinet.

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    VPM3000 Series: Universal Transmitter / Alarm with Display

    • Big, bright display
    • 4-20mA, ±10V, thermocouple, or RTD input
    • 4-20mA, Modbus serial, or alarm relay output options
    Acromag VPM3000 Vertuâ„¢ digital panel meters are among the most versatile on the market and able to operate as a transmitter and/or alarm to satisfy a wide variety of process and temperature applications. Learn more about the VPM3000 by watching this short video.
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    4001 Serial Cables

    5-foot ribbon cable, DB25 male and 26-pin female IDC connectors, for 3B/5B backpanel to Ethernet I/O module connection
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    4001-095: USB-to-Serial Adapter

    • USB-to-serial adapter
    • Easy to use to setup and re-configure modules
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    5030 Cable Series

    • 5030-902: IntelliPack Cable
    • 5030-913: IntelliPack Serial Port Adapter
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    5035 Series: Ethernet Cables

    • Ethernet straight cable, CAT5
    • Ethernet crossover cable, CAT5E
    • Low EMI Double-Shielded Ethernet Patch Cable
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    800C-SIP: IntelliPack Configuration Software

    • Configuration Software
    • USB-to-RS232 Adapter
    • RS232-to-RJ11 Adapter
    • Interface Cable
    Acromag’s configuration software is the key to the IntelliPack’s easy-to-use operation. The software employs the friendly Windows® interface with pull-down selection menus and fill-in-the-blank fields to speed you through a few brief configuration screens. No programming is required.
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    811A, 812A: Intelligent Alarm; DC Voltage/Current Input

    • ±100V or 0 to 22mA DC input ranges or 2 input channels, ±100V or 0 to 22mA DC input ranges (AC current with optional sensor)
    • Single or dual mechanical relays
    • 10-36V DC power
    • Software configured; multi-function alarms (limit, window, deviation, rate-of-change, peak/valley detection); on/off controller capability
    IntelliPack alarms compare inputs against user-defined limit set-points to control built-in relays.  
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    892M, 894M: DC Voltage/Current Output Math Module

    • 2 or 4 input channels, 0 to 20mA DC, 0 to 10V DC (selectable ranges)
    • 0 to 20mA DC, 0 to 10V DC (selectable ranges) output
    • 10-36V DC power
    • Software configured, computes arithmetic operations, evaluates conditional and Boolean arguments, executes track & hold functions
    IntelliPack math modules perform complex mathematical computations and convert DC input signals to scaled DC or frequency outputs. They are ideal for isolating and interfacing analog signals to a PLC or controller as a voltage, current, or a pulsed input.
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    913MB, 914MB: DC Current/Voltage Modbus-RTU Input Module with Limit Alarms

    • 4 input channels
    • 0 to 20mA DC (0 to 20A AC with AC sensor) or ±10V DC input range
    • 4 alarm channels, open drain MOSFETS (1A DC loads, 0 to 35V DC)
    • 10 to 36V DC, 24V AC power
    • Modbus RTU high-speed RS-485
    This signal conditioner is a four-channel analog input module with four discrete outputs. It provides isolation between input, output, power, and network circuits.
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    917MB, 918MB: DC Current/Voltage Modbus-RTU Output Modules with Discrete Outputs

    • 4 analog output channels
    • 0 to 20mA or 0 to 10V DC output range
    • 4 discrete output channels, open drain MOSFETS (1A DC loads, 0 to 35V DC)
    • 10 to 36V DC, 24V AC power
    • Modbus RTU high-speed RS-485
    These modules drive four analog output channels and also feature four discrete outputs for on/off control. Isolation separates the output, power, and network circuits. Network communication adheres to the industry-standard RS-485 Modbus RTU protocol.
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    924MB: Thermocouple/milliVolt Modbus-RTU Input Module with Limit Alarms

    • 4 input channels, thermocouple (types J, K, T, R, S, E, B, N) or millivolt (±100mV DC) input
    • 4 alarm channels, open drain MOSFETS (1A DC loads, 0 to 35V DC)
    • 10 to 36V DC, 24V AC power
    • Modbus-RTU high-speed RS-485
    This signal conditioner is a four-channel analog input module with four discrete outputs. It filters and linearizes thermocouple inputs while providing isolation between input, output, power, and network circuits. Cold junction compensation and upscale/downscale sensor break detection are standard.  
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    932MB, 934MB: RTD/Resistance Modbus-RTU Input Modules with Limit Alarms or Discrete Outputs

    • 2 or 4 input channels, RTD (100 ohm Pt, 120 ohm Ni, 10 ohm Cu) or resistance (0 to 500 ohms) input
    • Solid-state relays discrete output, Form A, SPST-NO
    • 10 to 36V DC, 24V AC power
    • Modbus-RTU high-speed RS-485
    This signal conditioner is a dual or quad-channel analog input module with one discrete/relay output per input channel and a Modbus interface. It filters and linearizes RTD or resistance inputs while providing isolation between input, output, power, and network circuits.
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    942MB: Frequency/Pulse Counter Modbus-RTU Input Modules with Periodic or Pulse Waveform Input

    • 2 input channels, 0 to 50KHz in 3 selectable ranges: Amplitudes up to 140V AC peak, Amplitudes up to 200V peak, Pulse counter range of 0 to 65535
    • Solid-state discrete output relays (1A DC loads), 0 to 48V DC
    • 10 to 36V DC, 24V AC power
    • Modbus-RTU high-speed RS-485
    This signal conditioner is a two-channel analog input module with discrete outputs and Modbus communication. It conditions periodic or pulse waveform inputs and provides solid-state relays for limit alarms or ON/OFF control.
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    USB Cables

    4001-112: USB cable, 1 meter, with Type A to Type B plugs. 4001-113: USB cable, 1 meter, with Type A to Mini-B plugs. 5028-565: USB-OTG cable, 6 inches
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    USB-to-Ethernet Adapter

    Simplifies configuration of Acromag Ethernet I/O Modules Prevents disruption of existing LANs This device is a USB-to-Ethernet adapter that you can use to communicate with any Acromag Ethernet I/O product for the purpose of setup and re-configuration for your application. It is recommended for initial communication with Acromag Ethernet devices so that you do not have to disrupt your existing network connection.
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    361A, 461A: Limit Alarm; DC Voltage/Current Input, AC or DC-Powered

    • 0 to 20mA DC, 0 to 100V DC, AC current (with optional sensor) input
    • Single or dual mechanical relays output
    • 10-36V DC or 115/230V AC power
    • 100% adjustable set-point, hi/lo fail-safe operation, jumper-selectable voltage/current input
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Signal Conditioning Selection Guide Videos

Welcome to our Signal Conditioning Selection Guide Videos. As a business with many helpful products to offer, we know it can be difficult to find which one you need. This quick selection guide should help point you in the right direction. Choose which video corresponds to your power needs, and the guide will show you which Acromag modules will work with your input.

Learn more in this whitepaper: What is Ethernet/IP?

Output Loop Powered Transmitters Video

DC Powered Transmitters Options Video

AC Powered Transmitters

Alarms