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
  • Modular Signal Splitters used with Acromag Plug In microBlox (uB)

 

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4-20mA Signal Splitters

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

Splitters are 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 has a built-in isolated excitation supply with short circuit protection, and can drive up to two field 2-wire process loops.

The AC/DC-powered unit runs on 5-36 VDC SELV or 90-250 VAC. Also with 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. No trimming is required if the load varies. Current limiting safely limits output to 27 mA. The splitters are DIN-rail mountable and feature removable terminal blocks. Both units feature pluggable terminals, zero/span trim pots and power LEDs that make installation, maintenance, and long term service easy.

 

2 Wired Signal Splitters 4 Wired Signal Splitters Modular Signal Splitter
2 Wire Loop Powered Splitters 4 Wire AC/DC Powered Splitters Modular Signal Splitters
4-20mA 2-Wire Loop-Powered Splitters / Signal Duplicators These units convert a 4-20mA process current input into two identical isolated 4-20mA output signals. AC/DC-Powered 4-20mA Signal Splitters These units convert a 4-20mA process current input into two identical isolated 4-20mA output signals. Select from AC-powered or DC-powered. The uBSP carrier is used with plug-in Acromag microBlox (uB) input modules to build a flexible signal splitter/duplicator. Select from a variety of uB modules to match your inputs

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

Process Loop Signal Splitter Process Loop Signal Splitter Process Voltage Signal Splitter
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 converts 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-performance signal splitter that converts 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 converts one process-level DC voltage input into two proportional isolated 4-20mA control signals. Power is received from one or both output loop

 

High Voltage Signal Splitter
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 converts 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

DIN Rail Loop Powered 2 Wired Signal Splitter
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 identical 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 Signal Splitter 4 Wire Current Millivolt Signal Splitter 4 Wire Process Voltage Signal Splitter
SP333: Thermocouple/millivolt splitter, four wire

 

SP336: Four-Wire Current/millivolt Signal Splitter

 

SP337: 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 converts 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 powerThe SP336 is a high-performance signal splitter that converts one DC current or millivolt input into two isolated proportional control signals. A variety of current and voltage output ranges are supported
  • Multi-range ±1V, ±5V, or ±10V input
  • 0-20mA, ±10V or 0-10V outputs
  • 6-32V DC external powerThe 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 supported.

 

4 Wire High Voltage Input
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 converts 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: 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 independently and is isolated from the others to prevent interaction between channels.

 

Modular Carriers

Signal Splitter Carrier
uBSP-P-1: microBlox® Signal Splitter Carrier

  • USB Programmable
  • Plug-In Input Modules
  • Dual Current or Voltage Output
  • 6-32V DC Power

The uBSP carrier is used with plug-in Acromag microBlox (uB) input modules to build a flexible  splitter/duplicator. Select from a variety of uB modules to match your input signal type for conversion to two proportional process current or voltage outputs. A third auxiliary voltage output is driven directly by the uB module.

 

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