Control using potential-free contact or semiconductor
switch:
Residual current max. (contact
open):
70 μA
Contact resistance (closed) max.:
or
Maximum drop in voltage:
10 kΩ
3 V
Maximum pulse frequency: 40 pulses/s
Pulse width min.: 10 ms
* To ensure intrinsic safety - see
Ä Chapter 14.5.1.2 ‘For "intrinsi‐
cally safe" version’ on page 51
14.5.1.2 For "intrinsically safe" version
Tab. 12: Output value, all “[ia]” versions
Maximum output voltage U
0
7.14 V
Maximum output current I
0
5 mA
Maximum output power P
0
23.3 mW
Internal resistance R
i
(trapezoid-shaped output characteristics
curve)
4296 Ω
Maximum outer capacity C
0
13.5 μF
Maximum outer inductance L
0
1 H
Tab. 13: To connect an intrinsically safe power circuit
Maximum input voltage U
i
30 VDC
Maximum input current I
i
280 mA
Maximum input power P
i
2 W
Effective inner inductance L
i
negligible
Effective inner capacity C
i
negligible
14.5.1.3 Diaphragm rupture sensor, intrinsically safe (optional)
Type: Pepperl+Fuchs, NJ1.5-8GM-N-V1
Tab. 14
Nominal voltage NAMUR (Ri approx. 1 kΩ) 8.2 V
Measuring plate detected ≤ 1mA
Measuring plate not detected ≥ 3mA
Effective inner capacitance* CI ≤ 30 nF
Effective inner inductance* LI ≤ 50 μH
Technical data
51
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