2-channel isolated barrier
24 V DC supply (Power Rail)
Input 2-wire SMART transmitters
Output 0/1 V ... 5 V
Terminals with test points
Up to SIL2 acc. to IEC 61508
参数表节选:的技术参数 KFD2-STV4-Ex2-1
General specificati
Signal type Analog input
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 20 ... 35 V DC
Ripple within the supply tolerance
Power loss 1.8 W
Power cumption max. 2.7 W
Input
Connection terminals 1+, 3-; 4+, 6-
Input ** 0/4 ... 20 mA
Available voltage ≥ 16 V at 20 mA, terminals 1+, 3
Output
Connection terminals 7-, 8+; 10-, 11+
Load output resistance: 250 Ω
Output ** 0/1 ... 5 V
Ripple max. 12.5 mV
Transfer characteristics
Deviation at 20 °C (68 °F), 0/1 ... 5 V ≤ 5 mV incl. calibration, linearity, hysteresis, loads and fluctuati of supply voltage
Frequency range field side into the control side: bandwidth with 0.5 Vpp ** 0 ... 7.5 kHz (-3 dB)
control side into the field side: bandwidth with 0.5 Vpp ** 0.3 ... 7.5 kHz (-3 dB)
Rise time 20 ?s
Settling time 200 ?s
De-energized delay 20 ?s
Directive conformity
Electromagnetic compatibility
Directive 2004/108/EC EN 61326-1:2006
Conformity
Electromagnetic compatibility NE 21:2006
Protection degree IEC 60529:2001
Ambient conditi
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specificati
Protection degree IP20
Mass approx. 150 g
Dimensi 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 in) , housing type B2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with Ex-areas
EC-Type Examination Certificate BAS 99 ATEX 7025 , for additional certificates see
Group, category, type of protection II (1)GD, I (M1) [Ex ia] IIC, [Ex iaD], [Ex ia] I (-20 °C ≤ Tamb ≤ 60 °C) [circuit(s) in zone 0/1/2]
Statement of conformity T?V 99 ATEX 1499 X , observe statement of conformity
Group, category, type of protection, temperature class II 3G Ex nA II T4 [device in zone 2]
Directive conformity
Directive 94/9/EC EN 60079-0:2009, EN 60079-11:2007, EN 60079-15:2005, EN 61241-11:2006
International approvals
UL approval
Control drawing 116-0173 (cULus)
IECEx approval IECEx BAS 04.0015
Approved for [Zone 0] [Ex ia] IIC, [Ex iaD], [Ex ia] I