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Specs at a glance
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Input
NAMUR
blocking: < 1,2 mA
conducting: > 2,1 mA -
Output
relay contact
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Power Supply
24 V DC
Field of application
The RLN22 is a compact 1- or 2-channel, 24 VDC isolating amplifier with relay signal output. It is designed to safely operate e.g. proximity sensors or point level switches such as the Liquiphant FTL51B (NAMUR) as per IEC 60947-5-6.
The DC interface monitors line faults such as breaks or short-circuits of sensors or mechanical switching contacts. The device is suited for use in hazardous areas and safety instrumented systems up to SIL 2 in accordance with IEC 61508.
Isolating amplifier for the transmission of binary switching signals
Input for proximity sensors, open contacts or contacts with resistive coupling elements
Galvanic isolation (3-way)
Line fault monitoring of input circuits or mechanical switching contacts
Group error message via DIN rail bus connector
Output-side relay contacts, direction of action (operating or quiescent current behavior) via DIP switch selection
Ambient temperature range: –40 to 60 °C (–40 to 140 °F)
Benefits
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Safe and reliable switching operations: trust your critical applications
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Compact housing: up to 2 channels on 12.5 mm (0.49 in) for efficient use of space in control cabinets
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Installation in hazardous areas; Ex approval for Ex zone 2
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Up to SIL 2 in accordance with IEC 61508
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Quick and easy wiring and commissioning: plug-in terminals, power supply and group error message module via DIN rail bus connector
Fundamental selection
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Simple products
- Easy to select, install and operate
Technical excellence
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Standard products
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Specialized products
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Variable
| FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
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Extended selection Optimize your processes with innovative technologies |
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Xpert selection Master your most challenging applications |
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Success stories
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further parts
The unit is not repairable
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further parts
Terminal set 2pol. DINrail Screw (9 pcs)
Order code71505292 -
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further parts
Terminal set 2pol.DINrail Push-In(9 pcs)
Order code71505320 -
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further parts
Flap 12.5 W25 DINrail housing (5 pcs)
Order code71505347 -
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further parts
Resistive Coupling Element, 1K/10K
Order code71505353 -
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Power rail connector DINrail 12.5mm
Order code71505349
Often bought together
Accessories
- Power rail connector DINrail 12.5mm