4-20mA Signal Splitters

Signal splitters receive a 4-20mA process current inputs and provide two identical isolated 4-20mA output signals. Each channel operates independently and is isolated from the others to prevent interaction between channels. Galvanic isolation eliminates ground loops, reduces noise, and blocks transient signals. Products include

  • 2 Wire Loop powered splitters
  • 4 Wire AC/DC Powered splitters

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4-20mA Signal Splitters

A 4-20mA Signal Splitter processes current inputs & provides two identical isolated 4-20mA output signals. These signal splitters receive 4-20mA process current inputs. They also provide two identical isolated 4-20mA output signals. In addition to this, each channel also operates own its own. This occurs to prevent communication between channels. Furthermore, Galvanic isolation gets rid of ground loops, reduces noise, and blocks transient signals.

Splitters are also available in 2-wire loop-powered and 4-wire AC/DC-powered models. The loop powered model runs on 12-50 VDC power from the output loop. It also has a built-in isolated excitation supply with short circuit protection. It can also drive up to two field 2-wire process loops.

Finally, the AC/DC-powered unit runs on 5-36 VDC SELV or 90-250 VAC. It also has a low input burden that keeps voltage drop to less than 1.5 V for full-scale current and support wide 0 to 1000 ohm load range. In addition to this, no trimming is required if the load varies and the current safely limits output to 27 mA. Furthermore, the splitters also mount on DIN-rails and feature removable terminal blocks. Both units feature pluggable terminals, zero/span trim pots and power LEDs that make install, maintenance and long term service easy.

2 Wired 4-20ma Signal Splitters SP233AC/DC Powered signal splitter 633T
2 Wire Loop Powered Splitters4 Wire AC/DC Powered Splitters
4-20mA 2-Wire Loop-Powered Splitters / Signal Duplicators. These units convert a 4-20mA process current input into two uniform isolated 4-20mA output signals.AC/DC-Powered 4-20mA Signal Splitters. These units convert a 4-20mA process current input into two uniform isolated 4-20mA output signals. Select from AC-powered or DC-powered.

To learn more about the different models; see below or contact us.

2 Wire Loop Powered Signal Splitters

SP230 Series: 2 Wire, Loop Powered, 4-20mA Splitters, USB Programmable, DIN Rail Mounted

2 Wired 4-20ma Signal Splitters SP2332 Wire Current/millivolt Input Signal Splitter SP2364 Wire Process Voltage Input Signal Splitter SP337
SP233: Process Loop Splitter SP236: Process Loop Splitter SP237: Process Voltage Input Signal Splitter, Two Wire
  • Universal thermocouple or +/- 100mV input
  • 4-20mA Outputs (Sink/Source)
  • 7-32V DC Loop/Local Power

The SP233 Model is a high performance signal splitter that changes one millivolt or thermocouple sensor input into two proportional isolated 4-20mA control signals. Power is received from one or both output loop currents.

  • DC Current and low voltage input
  • 4-20mA outputs (sink/source)
  • 7-32V DC Loop Power

The SP236 model is a high-performing signal splitter that changes one DC current or millivolt input into two isolated proportional 4-20mA control signals. Power is received from one or both output loop currents

  • Multi range +/- 1V, +/-5V or +/- 10V Input
  • 4-20mA outputs (sink/source)
  • 7-32V DC Loop Power

The SP237 model is a high-performance signal splitter that changes one process-level DC voltage input into two proportional isolated 4-20mA control signals. Power is received from one or both output loop

2 Wire High Voltage Input Signal Splitter SP238
SP238: High Voltage Input Signal Splitter, Two Wire
  • Multi range +/- 15V, +/-75V, or +/- 150V Input
  • 4-20mA Outputs (sink/source)
  • 7-32V DC Loop/Local Power

The SP238 model is a high-performance signal splitter that changes one high level DC voltage input into two proportional isolated 4-20mA control signals. Power is received from one or both outputs.

600 Series: 2 Wire Loop Powered, 4-20mA Splitters, DIN Rail Mounted

Loop-powered dual output signal splitter 653T
653T: Signal Splitter, Loop Powered
  • One to 4 to 20mA DC Input
  • Two 4 to 20mA DC Outputs
  • 12-50V DC Power from Output Loop
  • Signal Splitter provides two uniform outputs from one input signal.

These units convert a 4-20mA process current input into two identical isolated 4-20mA output signals. Power is obtained from the output loop.

4 Wire AC/DC Powered Signal Splitters

SP330 Series: 4-Wire Voltage DC External Power 0-20mA, ±10V or 0-10V Splitters, USB Programmable

4 Wire Thermocouple/millivolt Splitter SP3334 Wire Current/millivolt Splitter SP3364 Wire Current/millivolt Splitter SP336
SP333: Thermocouple/millivolt splitter, four wireSP336: Four-Wire Current/millivolt Signal SplitterSP337: Four-Wire Process Voltage Input Signal Splitter
  • Universal thermocouple or ±100mV input
  • 0-20mA, ±10V or 0-10V outputs
  • 6-32V DC external power

The SP333 is a high-performance signal splitter that changes one millivolt or thermocouple input into two isolated proportional control signals. A variety of current and voltage output ranges are supported.

  • DC current and low voltage input
  • 0-20mA, ±10V outputs
  • 6-32V DC external power. The SP336 is a high-performance signal splitter that also changes one DC current or millivolt input into two seperate proportional control signals. A variety of current and voltage output ranges are also supported
  • Multi-range ±1V, ±5V, or ±10V input
  • 0-20mA, ±10V or 0-10V outputs
  • 6-32V DC external power. The SP337 is a high-performance signal splitter that converts one process-level DC voltage input into two isolated proportional control signals. A variety of current and voltage output ranges are also supported.
4 Wire High Voltage Input Signal Splitter SP338
SP338: Four Wire High Voltage Input Signal Splitter
  • Multi-range ±15, ±75, or ±150V input
  • 0-20mA, ±10V or 0-10V outputs
  • 6-32V DC external power

The SP338 is a high-performance signal splitter that changes one high-level DC voltage input into two isolated proportional control signals. A variety of current and voltage output ranges are supported.

600 Series: 4-Wire AC/DC-Powered 4-20mA Signal Splitters, DIN Rail-Mount

AC/DC Powered signal splitter 633T
633T: Signal Splitter, AC/DC-Powered
  • Single input, dual output (splitter)
  • 15-36V DC SELV, 90-250V AC
  • Provides two identical outputs from one input signal

These units receive 4-20mA process current inputs and provide isolated 4-20mA output signals. Each channel operates on its own and is separate from the others to prevent communication between channels.

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