Model RN221N - Active Barrier with Optional HART Diagnosis
From System Products
Active barrier with power supply for safe separation of 4...20 mA current circuits. The active barrier RN221N supplies e.g. a transmitter with power, if required also in the Ex-area, and then transmits the galvanically isolated signal. With the optionally available HART® monitoring the status of the transmitter is monitored. If an error arises a relay at the RN221N sends an alarm. The relay has to be actively set back. Thus even just briefly occurring errors can be easily located.
Benefits
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Wide range power supply, flexible power source
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Compact side by side DIN rail housing
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International Ex approvals, Germanischer Lloyd / marine approval
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Bidirectional HART® transmission. Communication sockets for HART® sensor setting up. Evaluation of status information from connected transmitter with HART® protocol.
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Primary or secondary master operating mode, automatic selection
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Sensor monitoring with early-warning system
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Manual or automatic reset of the relay contact
Field of Application
- Galvanic isolation of 4 to 20 mA current circuits
- Removing large loop circuits
- Powering 2 wire transmitters
- Monitoring of SMART transmitters with early-warning system
- Intrinsically safe sensor supply for Ex-area
Features and Specifications
Power Supplies & Barrier
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Measuring principle
Active barrier
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Measuring principle
Power supply
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Function
Active barrier with power supply for safe seperation of 4...20 mA current circuit
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Loop power supply
20...250 V DC/AC
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Power Supply
Not defined
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Auxiliary power supply / Loop power supply
20...250 V DC/AC
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Input
1 x analog 4...20 mA
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Output
1 x analog 4...20 mA
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Software functions
Not defined
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Certificates
ATEX II(1)GD(Ex ia)IIC
FM USA IS
FM USA NI
CSA IS
CSA NI
IECEx Ex ia
TIIS Ex ia
GOST Ex i
Marine approval
SIL
Hygienic WHG -
SIL
Not defined
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Operation
HART
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Measuring principle
Active barrier
-
Function
Active barrier with power supply for safe seperation of 4...20 mA current circuit
-
Certification
ATEX II(1)GD(Ex ia)IIC
FM USA IS
FM USA NI
CSA IS
CSA NI
IECEx Ex ia
TIIS Ex ia
GOST Ex i
Marine approval
SIL
Hygenic WHG -
Input
1 x analog 4...20 mA
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Output
1 x analog 4...20 mA
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Relay output
1 x no contact
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Auxiliary power supply / Loop power supply
20...250 V DC/AC
-
Dimensions (wxhxd)
22.5 x 110 x 112 mm
(0.89' x 4.33' x 4.41') -
Operation
HART
-
Measuring principle
Active barrier
-
Function
Active barrier with power supply for safe seperation of 4...20 mA current circuit
-
Certification
ATEX II(1)GD(Ex ia)IIC
FM USA IS
FM USA NI
CSA IS
CSA NI
IECEx Ex ia
TIIS Ex ia
GOST Ex i
Marine approval
SIL
Hygenic WHG -
Input
1 x analog 4...20 mA
-
Output
1 x analog 4...20 mA
-
Relay output
1 x no contact
-
Auxiliary power supply / Loop power supply
20...250 V DC/AC
-
Dimensions (wxhxd)
22.5 x 110 x 112 mm
(0.89' x 4.33' x 4.41') -
Operation
HART
-
Measuring principle
Active barrier
-
Function
Active barrier with power supply for safe seperation of 4...20 mA current circuit
-
Certification
ATEX II(1)GD(Ex ia)IIC
FM USA IS
FM USA NI
CSA IS
CSA NI
IECEx Ex ia
TIIS Ex ia
GOST Ex i
Marine approval
SIL
Hygenic WHG -
Input
1 x analog 4...20 mA
-
Output
1 x analog 4...20 mA
-
Relay output
1 x no contact
-
Auxiliary power supply / Loop power supply
20...250 V DC/AC
-
Dimensions (wxhxd)
22.5 x 110 x 112 mm
(0.89' x 4.33' x 4.41') -
Operation
HART
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