Technical data	EL3174
Number of inputs	4
Power supply	via the E-bus
Technology	U differential, I single-ended
Signal type	differential
Oversampling factor	–
Distributed clocks	yes
Distributed clock precision	<< 1 µs
Internal resistance	> 200 kΩ | typ. 85 Ω
Input filter limit frequency	5 kHz
Common-mode voltage UCM	max. 35 V (voltage measurement)
Dielectric strength	max. 30 V (current measurement)
Conversion time	minimum 150 µs
Measuring range, nominal	-10/0…+10 V | -20/0/+4…+20 mA
Measuring range, technical	-10.73…+10.73 V | -21.47…+21.47 mA
Resolution	16 bit (incl. sign)
Measurement error/ uncertainty	< ±0.3 % (relative to full scale value)
Electrical isolation	500 V (E-bus/signal voltage)
Current consumption power contacts	load-dependent
Current consumption E-bus	typ. 180 mA
Bit width in the process image	inputs: 16 byte
Configuration	no address or configuration setting
Special features	U/I parameterizable, ExtendedRange, standard and compact process image, activatable FIR/IIR filters
Weight	approx. 65 g
Operating/storage temperature	-25…+60 °C/-40…+85 °C
Relative humidity	95 %, no condensation
Vibration/shock resistance	conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission	conforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.	IP20/variable
Approvals/markings	CE, UL, ATEX, IECEx, cFMus
Ex marking	ATEX:   II 3G Ex ec IIC T4 Gc IECEx:   Ex ec IIC T4 Gc cFMus:   Class I, Division 2, Groups A, B, C, D    Class I, Zone 2, AEx ec IIC T4 Gc

• Technical data
 
• Housing data

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Housing data	EL-12-16pin
Design form	HD (High Density) housing with signal LEDs
Material	polycarbonate
Dimensions (W x H x D)	12 mm x 100 mm x 68 mm
Installation	on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of	double slot and key connection
Marking	labeling of the BZxxx series
Wiring	solid conductors (e): direct plug-in technique; fine-stranded conductors (f) and ferrule (a): spring actuation by screwdriver
Connection cross-section	s*: 0.08…1.5 mm²,  st*: 0.25…1.5 mm²,  f*: 0.14…0.75 mm²
Connection cross-section AWG	s*: AWG 28…16, st*: AWG 22…16, f*: AWG 26…19
Stripping length	8…9 mm
Current load power contacts	Imax: 10 A