Technical data
EL1054, ES1054
Technology
NAMUR
Specification
NAMUR DC switching amplifier (IEC 60947-5-6)
Signal type
binary, current input for NAMUR sensors
Number of inputs
4
Connection technology
2-wire
Open circuit voltage
typ. 8.2 V DC
“0” signal current
? 1.2 mA
“1” signal current
? 2.1 mA
Switching hysteresis
typ. 350 µA
Short-circuit current
typ. 7.8 mA
Fault detection
I ? 200 µA (cable break), I ? 7.0 mA (short circuit)
Max. switching frequency
5 kHz (duty factor 50 %)
Internal resistance
according to I/V curve IEC 60947-5-6
Distributed clocks
–
Supply voltage electronics
24 V DC (via power contacts)
Current consumption E-bus
typ. 50 mA
Electrical isolation
500 V (E-bus/field potential)
Special features
integrated reverse polarity protection
Weight
approx. 60 g
Operating/storage temperature
0…+55 °C/-25…+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. class/installation pos.
IP 20/variable
Pluggable wiring
for all ESxxxx terminals
Approvals/markings
CE, UL, ATEX, IECEx, cFMus
Ex marking
ATEX: II 3 G Ex nA IIC T4 Gc IECEx: Ex nA IIC T4 Gc Ex tc IIIC T135 °C Dc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc
