New! 2 or 4-Wire USB-Configured Isolators and Transmitters

New! 2 or 4-Wire USB-Configured Isolators and Transmitters

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The TT230 and TT330 series of space-saving, 2 or 4-wire transmitters and isolators are offered for a range of inputs with sink/source 4-20mA output compatibility. Using isolation, these transmitters protect from surges, noise, and ground loop errors.

New! USB-Configured High-Density Ethernet I/O

New! USB-Configured High-Density Ethernet I/O

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The BusWorks XT series of Ethernet I/O modules support Modbus TCP/IP, Ethernet/IP, Profinet and i2o peer-to-peer communication protocols. They monitor and/or control up to 16 discrete or analog devices per unit with a variety of inputs and outputs supported.

4-20mA Isolators & Splitters

Acromag offers the industry's best selection of isolators. Dozens of models are now available to meet your needs. Select from single, dual, and quad-channel models with AC, DC, or loop-powered operation. Signal splitters deliver dual outputs from a single source. And whether you need a unit that sinks or sources current, Acromag has the right solution for you.

Optical or galvanic isolation eliminate ground loop errors, reduce noise, and block high voltage transient surges. All Acromag isolators will withstand 1500V AC for 60 seconds and provide continuous 250V AC or 354V DC common-mode protection of your precious equipment.

Our multi-channel modules reduce costs and save space. Models with push-button calibration simplify installation and maintenance tasks. Units with trim pots ship preset for 4-20mA input/output so field calibration is not required. Series 630T models offer isolated 24V DC excitation on inputs to power your two-wire transmitters.

4-20mA Isolators

Signal isolators receive a 4-20mA process current inputs and provide an isolated 4-20mA output signal. One ...

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  • 2-Wire Loop-Powered Isolators
  • 2-Wire Loop-Powered Isolators
  • Models get power from the 4-20mA output or input loop (sinks or sources current). Typical uses are as a current repeater or to drive resistive loads 651T and 250T models are ...
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  • 3-Wire DC-Powered Isolators
  • 3-Wire DC-Powered Isolators
  • These models are used to drive resistive loads (sources current). The 4-20mA output signal and DC power share a common lead which is wired directly to the PLC/DCS's internal ...
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  • 4-Wire AC/DC-powered Isolators
  • 4-Wire AC/DC-powered Isolators
  • These isolators provide 3-way isolation to separate input, output, and power circuits. They are the safest choice when retrofitting or expanding systems where instrument isolation ...
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4-20mA Splitters

Signal splitters receive a 4-20mA process current inputs and provide two identical isolated 4-20mA output signals. Each channel operates ...

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  • 2-Wire Loop-Powered Splitters
  • 2-Wire Loop-Powered Splitters
  • These units convert a 4-20mA process current input into two identical isolated 4-20mA output signals. Power is obtained from the output loop (sinks current).
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USB Isolators

These compact, industrial-grade isolators provide high-voltage USB isolation to protect computers and instruments from electical surges, spikes, and noise.

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  • USB-to-USB Isolators
  • USB-to-USB Isolators
  • USB isolators insert in-line with the USB connection between a PC and connected USB device. The isolator operates transparently and receives power from the PC’s USB port. ...
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