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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.

Showing 17–30 of 30 results

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    801A Universal TC/RTD/mV Input Intelligent Alarm

    • Thermocouple (J, K, T, R, S, E, B, N), RTD (Pt, Ni, Cu), millivolt (±100mV DC), resistance (0 to 500 ohms) input
    • Single or dual mechanical relay alarm outputs
    • 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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    801T: Universal Input Intelligent Temperature Transmitter

    • Thermocouple, RTD, milliVolt, and Resistance Input
    • 0 to 20mA DC, 0 to 10V DC output
    • Limit Alarm
    • 10-36V DC power
    • Software configured
    • Performs linearization, square root extraction, and optional limit alarm functions
    These transmitters isolate and convert sensor inputs to noise-free, proportional DC current or voltage output signals. An optional relay output adds a local limit alarm function.
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    811T: DC Voltage/Current Input Intelligent Transmitter

    • ±100V or 0 to 22mA DC input ranges (AC current with optional sensor)
    • 0 to 20mA DC, 0 to 10V DC output
    • Mechanical relay alarm (25V @ 5A)
    • 10-36V DC power
    • Software configured, performs linearization, square root extraction, and optional limit alarm functions
    These transmitters isolate and convert sensor inputs to noise-free, proportional DC current or voltage output signals. An optional relay output adds a local limit alarm function.
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    DT337: Medium DC Voltage Input Four-Wire Dual Transmitter

    • Dual channels
    • ±1V, ±10V inputs
    • 0-20mA, ±10V outputs
    • 6-32V DC local/bus power
    The DT337 model is a four-wire dual transmitter that isolates and converts process-level DC voltage inputs to proportional control signals. Each channel supports DC current or voltage output.

    Click here to watch a short video highlighting the features of the DT337.

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    DT338: High DC Voltage Input Four-Wire Dual Transmitter

    • Dual channels
    • ±15V, ±150V inputs
    • 0-20mA, ±10V outputs
    • 6-32V DC local/bus power
    The DT338 model is a four-wire dual transmitter that isolates and converts high-level DC voltage inputs to proportional control signals. Each channel supports DC current or voltage output. Click here to watch a short video highlighting the features of the DT338.
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    ST132: Thermocouple/milliVolt Input Head-mount Transmitter

    • Universal thermocouple (8 types) or ±100mV input
    • 4-20mA output
    • Loop-powered, 7-32V DC
    The ST132 is a low-cost two-wire transmitter that converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current. The transmitter performs signal linearization, cold-junction compensation, and lead-break detection functions.  
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    ST133: Isolated Transmitter; Thermocouple/mV Input

    • TC type J, K, T, R, S, E, B, and N or ±100mV input
    • 1500V isolation
    • 4 to 20mA DC output
    • USB-configured
    The ST133 is a low-cost two-wire transmitter that isolates and converts a millivolt or thermocouple sensor input to a proportional 4-20mA control signal. Power is received from the output loop current. The transmitter performs signal linearization, cold-junction compensation, and lead-break detection functions.    
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    TT237: Voltage Input, Loop-Power, 2-Wire Transmitter

    • Multi-range ±1V, ±5V or ±10V input
    • 4-20mA output (sink/source)
    • 12-32 V loop power
    The TT237 model is a space-saving two-wire transmitter that isolates and converts a process level DC voltage input to a proportional 4-20mA control signal. A single unit supports multiple voltage input ranges for extra flexibility. Power is received from the output loop current or a local DC supply when using a three-wire connection. Click here to watch a short AcroMaggie video highlighting the TT230 Series.
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    TT238: High Voltage Input, Loop-Powered, 2-Wire Transmitter

    • Multi-range ±15V, ±75V or ±150V DC input
    • 4-20mA ouput (sink/source)
    • 12-32 V DC loop power
    The TT238 model is a space-saving two-wire transmitter that isolates and converts a high level DC voltage input to a proportional 4-20mA control signal. A single unit supports multiple voltage input ranges for extra flexibility. Power is received from the output loop current or a local DC supply when using a three-wire connection. Click here to watch a short AcroMaggie video highlighting the TT230 Series.
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    TT337: Voltage Input, DC Power Transmitter

    • Multi-range ±1V, ±5V or ±10V input
    • Universal current/voltage output
    • 12-32V DC
    • 12-32V DC local/bus power
    The TT337 model is a space-saving four-wire transmitter that isolates and converts a process level DC voltage input to a proportional control signal. Click here to watch a short video highlighting the TT330 Series.
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    TT338: High Voltage Input, DC Power Transmitter

    • Multi-range ±15V, ±75V or ±150V input
    • Universal current/voltage output
    • 12-32V DC local/bus power
    The TT338 model is a space-saving four-wire transmitter that isolates and converts a high level DC voltage input to a proportional control signal. DC current and voltage output are both supported on a single model. An optional DIN rail bus can deliver primary or redundant power to multiple units without wiring. Click here to watch a short video highlighting the TT330 Series.
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    250T-DC, 350T-DC, 450T-DC: Analog Transmitter; AC-, DC- or Loop-Powered, DIN Rail-Mount

    • DC voltage or DC current input
    • DC voltage or DC current output
    • Loop or DC or AC power
    • Excellent accuracy and stability ensure reliable measurements in harsh industrial environments. Input isolated from output/power
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    250T-AC, 350T-AC, 450T-AC: Loop, DC, or AC-Power Transmitter

    • Transmitter, Loop, DC, or AC-Power
    • AC Voltage or AC Current Input
    • DC Voltage or DC Current Output
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    250T-mV, 350T-mV, 450T-mV Loop, DC, or AC Power Transmitter

    • DC milliVolt Input
    • DC Voltage or DC Current Output
    These models convert sensor inputs to proportional process current or voltage output signals.  
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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