ISCX3 Signal Isolator

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April 2011
application/pdf iconISCX3 signal isolator with three output channels Data sheet.pdf
application/pdf iconISCX3cal.pdf

ISCX3 Din Rail Mount signal isolator is a 24VDC or 120/240VAC powered instrument which accepts an analogue input of mA or volts and converts it to three independent isolated 4-20mA or 0-10VDC output signal. A 24VDC loop supply for the direct connection of 2 wire transmitters is included.

FEATURES

  • Din rail or gear plate mounting
  • 24VDC loop supply
  • Power supply of 24VDC (18-36VDC) or 120/240VAC
  • signal and power supply isolation
  • 0.1% linearity
  • Low cost - High performance
  • Low input impedance on mA signals
  • High input impedance on voltage signals
  • Special ranges of inputs and outputs are available on request

The Innovec ISCX3 is a single analogue input to 3 independent analogue output signal converter.

The ISCX3 accepts many standard and non-standard input signals and generates a 4-20mA or 0-10VDC output signal. Most other standard process current or voltage output signals can be provided on request.

The ISCX3 because of its versatile input to output combinations is a very flexible interface module. The ISCX3 can be inserted into existing systems without loss of performance.

TECHNICAL SPECIFICATIONS

Input Details
  • 0-1mA into 1000 Ohms
  • 0-10mA into 50 Ohms
  • 0-20mA into 50 Ohms
  • 4-20mA into 50 Ohms
  • 0-50mA into 10 Ohms
  • 0-1VDC into 100K Ohms
  • 1-5VDC into 100K Ohms
  • 0-10VDC into 100K Ohms
Output Details
  • Operational amplifier closed loop feedback circuit
  • Current output: 4-20mA into 500 Ohms
  • Voltage output: 0-10VDC into 10000 Ohms minimum
Performance
+ / - 0.1% of span (linearity and repeatability).

Isolation
Power supply isolation and three way galvanic isolation of 500 volts rms on the standard version. The EI version incorporates power supply isolation and three way galvanic isolation of 1500 volts rms.

Environmental Parameters
  • 0-70 degrees Celsius
  • 0-90% rh non-condensing
Connection Details
Terminal 1: input low (-)
Terminal 16: Ground Supply
Terminal 2: mA input positive (+)
Terminal 17: Vac neutral
Terminal 3: volts input plus (+)
Terminal 18: 120/240VAC
Terminal 4: 24DC loop supply
Terminal 19: not used
Terminal 5: not used
Terminal 20: not used
Terminal 6: not used
Terminal 21: not used
Terminal 7: not used
Terminal 22: not used
Terminal 8: not used
Terminal 23: 4-20mA out (+) channel 3
Terminal 9: not used
Terminal 24: 4-20mA out (-) channel 3
Terminal 10: not used
Terminal 25: not used
Terminal 11: not used
Terminal 26: 4-20mA out (+) channel 2
Terminal 12: not used
Terminal 27: 4-20mA out (-) channel 2
Terminal 13: not used
Terminal 28: not used
Terminal 14: not used
Terminal 29: 4-20mA out (+) channel 1
Terminal 15: not used
Terminal 30: 4-20mA out (-) channel 1

Instrument Power Supply
Nominal 24VDC (18-36VDC) 120/240VAC 47-63 Hz.

Transducer Power Supply
24 Volts DC at 30mA for powering 2 wire transmitters.

Weight
400gms.

Case Details
  • Width: 100mm
  • Weight: 75mm
  • Depth: 110mm
Mounting Details
Din rail mounting on C rail.

Options
Weatherproof enclosure: WP.

Ordering Information
  • Model/input/output/power supply/options
  • Sample no.: ISCX3/4-20mA/4-20mA/240VAC
  • All units shipped factory calibrated 4-20mA to 4-20mA
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