转速监控器 KFD2-DWB-1.D
来源：未知 日期：2017/03/01 浏览量：次
● 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 |
 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 | |