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ELX5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

ELX5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

ELX5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

Run LED
Signal LED A
Error LED A
Signal LED B
Error LED B
Power contact
+24 V EX
Power contact
0 V EX
A
UV1
B
UV2
Top view 
ELX5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

ELX5151 | EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

The system-integrated solution for explosion protection: PC-based control

The system-integrated solution for explosion protection: PC-based control

The ELX5151 EtherCAT Terminal allows the direct connection of an intrinsically safe incremental encoder from zone 0/20 and 1/21 hazardous areas. The terminal supplies the encoder with 8.2 V DC and evaluates a diagnostic-capable NAMUR signal according to IEC 60947-5-6. In this way, a wire breakage or short circuit can be detected in addition to the switching state. The ELX5151 can also be used as an up/down counter and allows switching between 16- and 32-bit counting.

EtherCAT terminals of the ELX series must always be operated in conjunction with the ELX9560 power supply terminal. This terminal generates an electrically isolated output voltage (24 V EX) from the input voltage (24 V DC) for supplying the subsequent ELX terminals. If a new power supply is required, the combination of an ELX9410 and an ELX9560 can be used so that further ELX terminals can be added. The ELX terminal string must be terminated with one ELX9012 or two ELX9410.

Product status:

regular delivery

Product information

Technical dataELX5151
Technologyincremental encoder interface NAMUR
SpecificationIEC 60947-5-6
Number of channels1
Sensor inputs1
Encoder connectionA, B
Encoder operating voltage8.2 V DC
Open circuit voltagetyp. 8.2 V DC
“0” signal current≤ 1.2 mA
“1” signal current≥ 2.1 mA
Switching hysteresis0.2 mA
Short-circuit currenttyp. 9 mA
Fault detectionI ≤ 200 µA (cable break), I ≥ 6.0 mA (short circuit)
Supply voltage electronics24 V DC (via power contacts), ELX9560 power supply
Current consumption power contactstyp. 15 mA + load
Current consumption E-bustyp. 80 mA
Distributed clocksyes
Special featuresup/down counters
Weightapprox. 60 g
Operating/storage temperature-25…+60 °C/-40…+85 °C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/see documentation
Approvals/markingsCE, UL, ATEX, IECEx, cFMus, CCC
Ex markingATEX:
  II 3(1)G Ex ec [ia Ga] IIC T4 Gc
  II (1)D [Ex ia Da] IIIC
  I (M1) [Ex ia Ma] I
IECEx:
  Ex ec [ia Ga] IIC T4 Gc
  [Ex ia Da] IIIC
  [Ex ia Ma] I
cFMus:
  AIS Class I, II, III, Division 1, Groups A thru G
  Class I, Division 2, Groups A, B, C, D
  Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc
  [AEx ia Da] IIIC T4
Housing dataELX-12-8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate, blue
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Power contacts2 blade/spring contacts

*s: solid wire; st: stranded wire; f: with ferrule

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