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转速监控器 KFD2-DWB-1.D

来源:未知    日期:2017/03/01    浏览量:


● 1-channel signal conditioner
● 24 V DC supply (Power Rail)
● Dry contact or NAMUR inputs
● Input frequency 1 mHz ... 12 kHz
● 2 relay contact outputs
● Start-up override
● Configurable by keypad
● Line fault detection (LFD)
● Up to SIL 2 acc. to IEC 61508/IEC 61511


产品阐述:
24 V DC
General specifications:
Signal type Digital Input
Supply:
Connection terminals 23+, 24- or power feed module/Power Rail
Rated voltage 20 ... 30 V DC
Rated current approx. 100 mA
Power dissipation/power consumption ≤ 1.8 W / 1.8 W
Input:
Connection Input I: 2-wire sensor: terminals 1+, 3- three wire sensor: terminals 1+, 2- and 3
input II: terminals 13+, 14- start-up override;
Input I 2- or 3-wire sensor, sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact
  Open circuit voltage/short-circuit current 22 V / 40 mA
  Input resistance 4.7 kΩ
  Switching point/switching hysteresis logic 1: > 2.5 mA ; logic 0: < 1.9 mA
  Pulse duration > 50 µs
  Input frequency 0.001 ... 12000 Hz
  Lead monitoring breakage I ≤ 0.15 mA; short-circuit I > 4 mA
Input II startup override: 1 ... 1000 s, adjustable in steps of 1 s
  Active/Passive I > 4 mA (for min. 100 ms) / I < 1.5 mA
  Open circuit voltage/short-circuit current 18 V / 5 mA
Output:
Connection output I: terminals 10, 11, 12
output II: terminals 16, 17, 18
Output I, II signal, relay
  Contact loading 250 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
Collective error message Power Rail
Directive conformity:
Electromagnetic compatibility  
  Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Low voltage  
  Directive 2014/35/EU EN 61010-1:2010
Conformity:
Electromagnetic compatibility NE 21:2006
Degree of protection IEC 60529:2001
Ambient conditions:
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications:
Degree of protection IP20
Mass 300 g
Dimensions 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) , housing type C3
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas:
Statement of conformity PF 08 CERT 1216 X
  Group, category, type of protection, temperature class Ex-Hexagon II 3G Ex nA nC IIC T4 Gc
Output I, II  
  Contact loading 50 V AC/2 A/cos φ > 0.7; 40 V DC/1 A resistive load
Directive conformity  
  Directive 2014/34/EU EN 60079-0:2012+A11:2013 , EN 60079-15:2010
International approvals:
UL approval E223772