Acromag signal conditioners and network I/O is ideal 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.

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    901MB, 902MB, 903MB: Multi-Channel Modbus-RTU Discrete I/O Modules

    • Active-Low Inputs, Sinking Outputs (Low-Side Switching)
    • 12 input and/or 12 output channels
    • 0 to 35V DC I/O range
    • 10 to 36V DC, 24V AC power
    • Modbus-RTU high-speed RS-485
    $315$345
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    904MB, 905MB, 906MB: Multi-Channel Discrete I/O Modules

    • Active-High Inputs, Sourcing Outputs (High-Side Switching)
    • 12 input and/or 12 output channels
    • 0 to 35V DC I/O range
    • 10 to 36V DC, 24V AC power
    • Modbus-RTU high-speed RS-485
    $315$345
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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
    $405
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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
     
    $405
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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
    $460
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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
    $340$510
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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
    $405
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    4683 Series: RS485-to-RS485 Network Repeater

    • Designed for use with Johnson Controls N2 or BACnet MS/TP bus
    • 115V AC ±10%, 50/60 Hz, 0.05A or 230V AC ±10%, 50/60 Hz, 0.03A or 24V AC ±10%, 50/60 Hz, 0.18A typical power
    • Operating temperature: -25 to 70° C (-13 to 158° F)
    $360
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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.

Output Loop Powered Transmitters Video

DC Powered Transmitters Options Video

AC Powered Transmitters

Alarms