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KCD2SREX1LB Sensor / Switch Amplifiers
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List Price (ex VAT): |
£159.98 |
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Stock On Back Order |
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Order Code: |
KCD2SREX1LB |
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Manufacturer Code: |
70112151 |
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Documentation:
K-System barriers
Datasheet
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Product details
Intrinsic safety & signal conditioning
Switch amplifier - 12.5mm
This isolated barrier is used for intrinsic safety applications. It transfers digital signals (NAMUR sensors/mechanical contacts) from a hazardous area to a safe area.
The proximity sensor or switch controls a form A normally open relay contact for the safe area load. The normal output state can be reversed using switch S1. Switch S2 allows output II to be switched between a signal output and an error message output. Switch S3 enables or disables line fault detection of the field circuit.
During an error condition, relays revert to their de-energized state and LEDs indicate the fault according to NAMUR NE44.
A unique collective error messaging feature is available when used with the Power Rail system.
Due to its compact housing design and low heat dissipation, this device is useful for detecting positions, end stops and switching states in space-critical applications.
Technical specification
| | Supply voltage: | 19-30V d.c.
| | Power consumption: | ≤500mW
| | No. of channels: | 1
| | Input/output: | Digital input
| | Output: |
| | Miniumum switch current: | 2mA/24V d.c.
| | Energized/de-energized delay: | ≤20ms/≤20ms
| | Mechanical life: | 10⁷ switching cycles
| | Output I: | Signal, relay
| | Output II: | Signal or error message, relay
| Input:
| Rated values: | acc. to EN 60947-5-6 (NAMUR)
| | Open circuit voltage: | Approx. 10V d.c.
| | Short circuit voltage: | Approx. 8mA
| | Switching point: | 1.2-2.1mA
| | Switching hysteresis: | Approx. 0.2mA
| | Line fault detection: | Breakage I ≤0.1mA
| | Short-circuit I ≥6.5mA
| | Pulse/pause ratio: | ≥20ms/≥20ms
| | Ambient temperature: | -20 to +60°C
| | Protection rating: | IP20
| | Mounting: | 35mm DIN rail or panel mount
| | Dimensions: | w12.5 x h114 x d119mm | |
Features:
12.5mm slimline housing
3 port galvanic isolation
Single-channel isolated barrier
24V d.c. supply (power rail)
Dry contact or NAMUR inputs
Usable as signal splitter (1 input and 2 outputs)
Relay contact output
Fault relay contact output
Line fault detection (LFD)
Up to SIL2 acc. to IEC 61508
DIN rail/power rail solutions
Removable terminals reduce maintenance time
Fault detection and local indication
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