Model RB223 - Loop Powered Passive Barrier
From System Products
One or two-channel barrier for the safe separation of 4...20 mA standard signal circuits. The RB223 passive barrier can be used to galvanically isolate active signal circuits (0 to 20 mA) in three applications: Transmission from non-Ex to Ex areas e.g for active adjusters, controllers or indicators, Transmission from Ex to non-Ex areas for connection of active, intrinsically safe circuits to the PLC, Transmission from Ex to non-Ex areas for supply of intrinsically safe transmitters with non-intrinsically safe transmitter power supply.
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Benefits
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Compact side-by-side housing for DIN rail
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Space-saving one-channel and two-channel version
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No power supply necessary
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International Ex approvals; Can be used up to SIL 3
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Bidirectional HART® transmission
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Communication sockets for HART® + integrated HART® resistor for sensor configuration
Field of Application
Separation of active 0/4 to 20 mA signals from transmitters, valves and adjusters.
Features and Specifications
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Measuring principle
Power supply
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Function
Passive barrier for safe seperation of 4...20 mA current circuit
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Certification
CSA GP
ATEX Ex ia
CSA IS
CSA NI
SIL -
Input
2 x analog 4...20 mA
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Output
2 x analog 4...20 mA
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Auxiliary power supply / Loop power supply
Loop powered
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Dimensions (wxhxd)
22.5 x 110 x 112 mm
(0.89' x 4.33' x 4.41') -
Operation
HART
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Measuring principle
Power supply
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Measuring principle
Power supply
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Function
Passive barrier for safe seperation of 4...20 mA current circuit
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Loop power supply
Loop powered
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Power Supply
Not defined
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Auxiliary power supply / Loop power supply
Loop powered
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Input
2 x analog 4...20 mA
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Output
2 x analog 4...20 mA
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Software functions
Not defined
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Certificates
CSA GP
ATEX Ex ia
CSA IS
CSA NI
SIL -
SIL
Not defined
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Operation
HART
Customer reviews
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