Signal Isolators

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• SCC313 is a signal isolator utilized to prevent damage to valuable DCS, PLCs, etc. from fluctuations in the input signal from field devices. 
• It is also a signal multiplier that retransmits 2 output signals from 1 input signal. It accepts input from 8 types of thermocouples (B, E, J, K, N, R, S, T), Pt50, Pt100 as well as Cu53 3-wire RTD sensors, 0 - 50 mV voltage and 4-20 mA or 0 - 20 mA analog current signals. 
• A cost-effective version for AC current/voltage input is also available.SCC313 provides isolation between its own power supply, the input and output signals up to 1.5 KV AC RMS per minute and 250 V AC RMS continuously. 
• Radix can also provide a RS485/MODBUS RTU option for this isolator. 
• The SCC313 Signal isolator is housed in a 100(H)x22.5(W)x114(D) enclosure and mounted on a 22.5 mm DIN rail.

• Universal input, programmable ranges, etc.

• 1 or 2 0/4~20 mA, 0~1/5/10 V DC outputs
• Input / supply / outputs mutually isolated
• Supply : 85~265 V AC or 18~42 V DC
• Calibration and configuration through PC using DCC502 USB-to-Serial converter
• RS485, MODBUS RTU option
• Fast response output option

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• Item Code: SCC313

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• SI3P is a signal isolator, utilized to prevent damage to valuable PLCs, DCS, etc. from fluctuations in the input signal from field devices. SI3P is factory-set to accept input from either of 8 types of thermocouples (B, E, J, K, N, R, S, T), Pt1000, Pt200 and Pt100 3-wire RTD sensors, DC voltage and DC current signals as well as resistance input. 
• SI3P provides isolation between its own power supply, the input and output signals up to 1.5 KV AC RMS per minute and 250 V AC RMS continuously. 

• Input: DC volts, 0/4 - 20 mA, Ohms, RTD, Thermocouples, AC Amps, AC volts, load cell, etc.
• Output: DC volts, 0/4 - 20 mA
• Supply: 12 - 36 V DC, 85 - 265 V AC / 50/60 Hz
• Input/output/supply isolation: 1500 V AC / 1 min, 250 V AC continuous
• DINRAIL enclosure

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• Item Code: SI3P

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• SCC401 is a 3-Port Signal Isolator that accepts any one of some common process inputs and generates an isolated current or voltage output. 
• It is available in a 23 mm wide enclosure for DIN rail mounting. 
• Standard input types include 0/4 - 20 mA, ohms, RTD and thermocouples amongst others.
• SCC401 has exceptionally high accuracy and stability.SCC401 provides isolation between its own power supply, the input and output signals up to 1.5 KV AC RMS per minute and 250V AC RMS continuously. 
• The operator calibrates Zero & Span for the isolator via multi turn potentiometers.

• Input: 0/4 - 20 mA, ohms, RTD, Thermocouples, etc.
• Output: 0/4 - 20 mA, 0 - 1/5/10 V DC
• Supply: 20 - 36 V DC, 85 - 265 V AC / 50/60 Hz
• 22.5 mm wide DIN rail
• 0.1% accuracy
• 1500 V AC isolation

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• Item Code: SCC401

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SI4P is a Signal Isolator, that is used to prevent damage to valuable PLCs, DCS, etc. from fluctuations in the input signal from field devices. SI4P is factory-set to accept input from either of 8 types of thermocouples (B, E, J, K, N, R, S, T), Pt1000, Pt200 & Pt100 3-wire RTD sensors, DC voltage and DC current signals as well as resistance input. Special versions can also be ordered in sufficient order quantity for load-cell input. SI4P provides isolation between its own power supply, the input and output signals up to 1.5 KV AC RMS per minute and 250 VAC RMS continuously. The signal isolator is accurate to 0.1% of span and features line fault detection for alarms. The operator calibrates Zero and Span for the isolator via multi turn potentiometers through a detachable panel. The SI4P is mounted on a DIN rail in a control panel with 1LED to indicate it is operating. Relieved of a front display, it is a cost-effective solution.

Specifications:

• Mutual isolation between input, 2 outputs and power supply
• Provides 2 outputs from one 4 to 20 mA transmitter or one 0/4 - 20 mA current source
• Line fault detection feature provides alarm facilities
• Transfer accuracy <0.1% of span
• 17 - 35 V DC / 85 - 265 V AC/DC power supply
• T section DIN Rail mounting
• Input protection option

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• Item Code: SI4P
• Pay Mode Terms: T/T (Bank Transfer)

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• Universal input or AC Current/Voltage
• Programmable Ranges
• Up to two 4 - 20 mA (or voltage) outputs
• Input/supply/outputs mutually isolated
• Supply: 85 - 265 V AC/DC or 20 - 30 V DC
• Calibration through keys - no trim pots
• 4 digit 7 segment LED display
• RS485/MODBUS RTU option

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• Item Code: SCC311

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• MSI7P is a Signal Isolator utilized to prevent damage to valuable PLCs, DCS, etc. from fluctuations in the input signal from field devices.
•  MSI7P is also a signal multiplier that can retransmit up to 5 output signals from 1 input signal. 
• It receives input from 8 types of thermocouples (B, E, J, K, N, R, S, T), Pt100, Pt50 as well as Cu53 3-wire RTD sensors, 0 - 50 mV voltage and 0-20 mA or 4 - 20 mA analog current signals. Special versions for oxygen probes and oxygen lambda sensors are also available.
•  MSI7P provides isolation between its own power supply, the input and output signals up to 1 KV AC RMS per minute and 250V AC RMS continuously. 
• The operator calibrates Zero and Span for the isolator on the front of the unit via membrane keys.
•  MSI7P features a single programmable LCD display, which indicates the type of thermocouple, process value, output signal & output signal percentage.

• Universal input or AC Current/Voltage
• Programmable Ranges
• Up to 5 x 4-20 mA (or voltage) outputs
• Input/supply/outputs mutually isolated
• Supply: 85–265 V AC/DC or 20~30 V DC
• Calibration through keys - no trim pots
• 2 x 16 character LCD display
• RS485/MODBUS RTU option

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• Item Code: MSI7Pgen

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• AC and DC input type
• 1 or 2 outputs
• DC accuracy better than 0.02% span
• 1500 V AC/DC RMS isolation
• Excellent for fast and transient phenomena
• Accuracy of ± 0.1% for AC signals up to 100 Hz
• Works up to 1 KHz

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• Item Code: VISO

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• Universal input or AC Current/Voltage
• Programmable Ranges
• Up to 2 x 4-20 mA (or voltage) outputs
• Input/supply/outputs mutually isolated
• Supply: 85 - 265 V AC/DC or 20 - 30 V DC
• Calibration through keys - no trim pots
• 4-digit 7-segment LED display
• RS485/MODBUS RTU option

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• Item Code: MSI4P

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• 0-20 mA In/Out
• HART compatible
• 1700 V AC/DC Galvanic isolation between supply, input & output
• Transfer accuracy better than 20 mA
• DIN rail mount, 25 mm wide enclosure
• 20 - 35 V DC supply

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• Item Code: SC301

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• Input:Oxygen probe or Thermocouple (K, R, S)
• Direct display of carbon potential
• Up to 5 x 4 - 20 mA (or voltage) outputs
• Input/supply/outputs mutually isolated
• 85–265 V AC/DC or 20-30 V DC power supply
• Calibration through keys - no trim pots
• 2 x 16 character LCD display
• RS485/MODBUS RTU option

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• Item Code: MSI7PB

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• 4-20 mA in, 4-20 mA out
• Isolation between input and output
  • 1.5 KV AC RMS /1 minute
  • 250 V AC RMS continuous
• 0.1% transfer accuracy
• 3.7 V loop drop
• 25 - 425 Ω load
• LPI51 - Loop Drop 3.7V, Load 25~425 Ohms
• DIN rail mounting
• No power supply required
• ON LED shows state

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• Item Code: LPI51

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• LPI61 is 2-wire Loop-Powered Current Isolator which requires no external supply as it is powered by its input signal.LPI61 has a low loop-drop of only 3.7 V.
•  Isolators prevent damage to valuable PLCs DCS etc. from fluctuations in the input signal from field devices. LPI61 eliminates earth and ground loop problems by electrically isolating the input and output circuits. 
• The signal isolator receives and retransmits a 4-20 mA current analog signal seamlessly with a transfer accuracy of 0.1%. LPI61 provides signal isolation of 1500 V AC RMS/ 1 minute and 250 V AC RMS/ continuous. 
• LPI61 can be mounted on 35mm DIN rail in a control panel. It has an LED to indicate it is operating.

• 4-20 mA in, 4-20 mA out
• Isolation between input and output
  • 1.5 KV AC RMS /1 minute,
  • 250 V AC RMS continuous
• 0.1% transfer accuracy
• 5 V loop drop
• 0 - 500 Ω load without trimming
• LPI61 - Loop Drop 5V, Load 0~500 Ohms
• DIN rail mounting
• No power supply required

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• Item Code: LPI61

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• Item Code: MSI4P-2

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• Universal input with 50ms/200ms sampling time
• 2 setpoints/2 relays
• Isolated 0/4~20 mA or 0-10 V DC retransmission output
• 85~265 V AC SMPS
• Calibration & configuration using PC and programmer
• Alarm activation / deactivation delay programmable
• 22.5mm wide Din rail enclosure
• RS485/MODBUS RTU option

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• Item Code: NEX402

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• SCC301 is a dual purpose, current-to-current converter with 3-port isolation. It provides a fully floating, isolated DC supply for energising a conventional 2 or 3-wire 4~20mA transmitter/ smart transmitter and repeats the current in another isolated circuit or accepts a 4~20mA signal from a controller/source to drive loads up to 750 ohms. 
• A 20~35VDC power supply is required for operation. The power supply terminations are at the top of the unit to enable this model to be used either as a repeater power supply or driver.
•  For a 2-wire smart transmitter the unit also allows bi-directional transmission of digital communication signals superimposed on the 4~20mA signal so that the transmitter can be interrogated either from the operator station or by a handheld configurator.

• Number of channels : One
• Input and output signal
• 0~20 mA for normal operation
• 4~20 mA for operations with digital communication
• Isolation (mutual, between 2700 VAC RMS power supply, input and output)
• Power supply : 20~35 V DC
• LED indicator : 1 red LED indicating POWER ON
• Voltage available to 20 V minimum at 20 mA transmitter
• Digital signal bandwidth : 100 Hz ~ 10 KHz
• Maximum load resistance
• Conventional transmitters/drivers :750 ohms
• Smart transmitters : 220ohms to 650 ohms
• Voltage drop across input <0.5V from current source (terminal 5 & 6)
• Transfer accuracy at 25 °C ±0.1% of span (±20 micro Amps) (including non-linerarity and hysterisis)
• Temperature effect on <1 micro Amps / °C accuracy
• Response time 10 ms (to reach 90% of span)
• Power requirement
• 135mA max at 20V with a (supplying a transmitter) 20mA signal
• 95mA max at 35 V with a 20mA signal
• Power requirement
• 90mA max at 20V with a (current source input) 20mA signal
• 65mA max at 35 V with a 20mA signal
• Common mode rejection ratio Better than 160dB
• List of compatible devices for All HART compatible devices digital communication

• Material ABS plastic
• Dimensions 80(H) x 25(W) x 85(D) mm
• Mounting : Snap on for 35 mm DIN rail to DIN 46277
• Connection, single/stranded ≤ 2.5 mm², AWG 14 wires
• Weight < 200 grams
• Protection IP 20

• Ambient, storage -40 ~ +80 °C
• Ambient, operation -20 ~ +55 °C
• Relative humidity 5 ~ 95%

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• Item Code: SCC301

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•     Input : AC Volts, AC Amps, DC Volts, DC Amps
•     Outputs : 2 x 0/4~20 mA, 0~1/5/10 V DC
•     Input/supply/outputs mutually isolated
•     Accuracy : Class 0.5, Class 0.2
•     Supply : 85~265 V AC or 18~42 V DC
•     Calibration and configuration through PC
•     RS485, MODBUS RTU option
•     Fast response output option

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• Universal input or AC Current/Voltage
• Programmable Ranges
• Up to 5 x 4 - 20 mA (or voltage) outputs
• Input/supply/outputs mutually isolated
• 85–265 V AC/DC or 20-30 V DC power supply
• Calibration through keys - no trimpots
• 2 x 16 character LCD display
• RS485/MODBUS RTU option

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• Item Code: MSI7PA

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• Input:Oxygen Lambda Sensor
• Direct display of % O₂
• Up to 5 x 4 - 20 mA (or voltage) outputs
• Input/supply/outputs mutually isolated
• 85–265 V AC/DC or 20-30 V DC power supply
• Calibration through keys - no trim pots
• 2 x 16 character LCD display
• RS485/MODBUS RTU option

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• Item Code: MSI7PC

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• Universal input or AC Current/Voltage
• Programmable Ranges
• Up to 5 x 4 - 20 mA (or voltage) outputs
• Input/supply/outputs mutually isolated
• 85–265 V AC/DC or 20-30 V DC power supply
• Calibration through keys - no trim pots
• 2 x 16 character LCD display
• RS485/MODBUS RTU option

Additional Information:

• Item Code: MSI7P