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KFA6-DWB-EX1.D PEPPERL FUCHS Isolated Barrier Rotation Speed Monitor

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KFA6-DWB-EX1.D PEPPERL FUCHS Isolated Barrier Rotation Speed Monitor

Country/Region	china
City & Province	hong kong
Categories	Switching Power Supply

Product Details

Product Details:
Manufacturer : Pepperl+Fuchs
Product No. : KFA6-DWB-EX1.D
Product Type : Rotation Speed Monitor

Features:

1-channel isolated barrier
230 V AC supply
Dry contact or NAMUR inputs
Input frequency 1 mHz ... 5 kHz
2 relay contact outputs
Start-up override
Configurable by keypad
Line fault detection (LFD)
Up to SIL 2 acc. to IEC/EN 61508 / IEC/EN

Function

This isolated barrier is used for intrinsic safety applications. It monitors for an overspeed or underspeed condition of a discrete signal (NAMUR sensor/ mechanical contact) from a hazardous area by comparing the input frequency to the user programmed reference frequency.

An overspeed or underspeed condition is signaled via the relay outputs. Line fault detection of the field circuit is indicated by a red LED and relay. The start-up override feature sets relay outputs to default conditions programmed by the user for up to 1,000 seconds.

The unit is easily programmed by the use of a keypad located on the front of the unit.

Technical data

1. Product Description

230 V AC

2. General specifications

Signal type: Digital Input

3. Functional safety related parameters

Safety Integrity Level (SIL): SIL 2

4. Supply

Connection: terminals 23, 24

Rated voltage: 230 V AC ± 10 %

Rated current: 18 mA

Power dissipation/power consumption: ≤ 2 VA / 2 VA

5. Input

Connection side: field side

Connection: Input I: intrinsically safe: terminals 1+, 3-

Input II: non-intrinsically safe: terminals 13+, 14-

Input I: acc. to EN 60947-5-6 (NAMUR)

Pulse duration: > 50 µs

Input frequency: 0.001 ... 5000 Hz

Line fault detection: breakage I ≤ 0.15 mA; short-circuit I > 6.5 mA

Input II: startup override: 1 ... 1000 s, adjustable in steps of 1 s

Active/Passive: I > 4 mA (for min. 100 ms)/ I < 1 mA

Open circuit voltage/short-circuit current: 18 V / 5 mA

6. Output

Connection side: control side

Connection: output I: terminals 10, 11, 12

output II: terminals 16, 17, 18

Output I, II: signal, relay

Contact loading: 253 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A

Mechanical life: 5 x 107 switching cycles

Energized/De-energized delay: approx. 20 ms / approx. 20 ms

7. Indicators/settings

Display elements: LEDs , display

Control elements: Control panel

Configuration: via operating buttons

Labeling: space for labeling at the front

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Company Introduction:
Achievers Automation Limited has more than 10 years experience in the market of Industrial Automation, specialized in reselling factory sealed Probe, Sensor, DCS,isolator barrier, HMI, PLC,Adapter,Profibus connector and cable from Brands as BENTLY NEVADA, Endress+Hauser, YOKOGAWA,MTL,Allen-Bradley, Pepperl+Fuchs,Rosemount, ASCO, Schneider, Lenze, Pro-face, Mitsubishi, Omron, Lenze, Delta, Honeywell, Siemens and etc. If you have any request, please do not hesitate to contact us.

FAQ of Achievers
Q:Are the Products Genuine OEM Units?
A: These items have been certified by Achievers Automation Limited to be genuine OEM Units obtained through OEM or independent third-party channels.
Q:How will you arrange shipment?
A: We can arrange shipment based on your request. We have cooperated forwader who can arrange shipment via FedEx, DHL,TNT with good price.
Q:What is the warranty of goods?
A: One-year Warranty.