KROHNE SU 501 EX EN - Manual (Page 31)

10 Supplement
10.1 Technical data
General data
Series
module unit with plug-in socket for mounting on
carrier rail 35x7.5 or 35x5 acc. to EN 50022
Dimensions W = 36 mm (1.42 in), H = 118.5 mm (4.66 in), D
= 134 mm (5.28 in)
Weight approx. 170 g (6 oz)
Housing material Noryl SE100, Lexan 920A
Socket material Noryl SE100, Noryl SE1 GFN3
Screw terminals max. 1x1.5 mm²
Power supply
Power supply
20 … 250 V AC, 50/60 Hz, 20 … 72 V DC
Power consumption max. 3 W (3 … 18 VA)
Sensor input
Quantity
1
Data transmission Analogue
Hysteresis 100 µA
Switching threshold 12 mA
Current limitation 24 mA (permanently short-circuit proof)
Sensor power supply 15 … 18 V DC
Detection line break <=3.6 mA
Detection shortcircuit >=21 mA
Connection cable 2-wire
Resistance per conductor max. 35 Ohm
Relay output
Number, function
1x switching relay (spdt)
Integration time 0.2 … 20 s, directional switching
Mode A/B switch (A - max. detection or overfill
protection; B - min. detection or dry run
protection)
Contact 1x spdt
Contact material AgNi, hard gold-plated
Turn-on voltage min. 10 mV DC, max. 250 V AC, 250 V DC
Switching current min. 10 µA DC, max. 3 A AC, 1 A DC
Breaking capacitance max. 500 VA, max. 54 W DC
SU 501 Ex - Signal conditioning instrument 31
Supplement
27953
-EN
-050616