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EL1804 | EtherCAT Terminal, 4-channel digital input, 24 V DC, 3 ms, 3-wire connection

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EL1804 | EtherCAT Terminal, 4-channel digital input, 24 V DC, 3 ms, 3-wire connection

EL1804 | EtherCAT Terminal, 4-channel digital input, 24 V DC, 3 ms, 3-wire connection

Signal-LEDs
1, 3, 5, 7
Power contact
+24 V
Power contact 0 V
Input 1
+24 V
Input 2
+24 V
Input 3
+24 V
Input 4
+24 V
+24 V
0 V
+24 V
0 V
+24 V
0 V
+24 V
0 V
Top view 
Contact assembly 
EL1804 | EtherCAT Terminal, 4-channel digital input, 24 V DC, 3 ms, 3-wire connection

EL1804 | EtherCAT Terminal, 4-channel digital input, 24 V DC, 3 ms, 3-wire connection

The EL1804 digital input terminal acquires the binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The EtherCAT Terminal contains four channels whose signal state is indicated by LEDs. The power contacts are connected through. With the EL1804, the reference ground for all inputs is the 0 V power contact.

 

Special features:

  • input specification type 1/3
  • no bouncing due to mechanical switches thanks to 3 ms input filter
  • +24 V and 0 V sensor supply connections
  • tool-free connection by direct plug-in technique for solid wire conductors
  • increased packing density with 16 connection points in the housing of a 12 mm terminal block

Product status:

regular delivery

Product information

Technical dataEL1804
Connection technology3-wire
SpecificationEN 61131-2, type 1/3
Number of inputs4
Nominal voltage24 V DC (-15%/+20%)
“0” signal voltage-3…+5 V (EN 61131-2, type 1/3)
“1” signal voltage11…30 V (EN 61131-2, type 3)
Input currenttyp. 3 mA (EN 61131-2, type 3)
Input filtertyp. 3.0 ms
Distributed clocks
Current consumption power contactstyp. 2 mA + load
Current consumption E-bustyp. 90 mA
Electrical isolation500 V (E-bus/field potential)
Configurationno address or configuration setting
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/variable (see documentation)
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataEL-12-16pin
Design formHD (High Density) housing with signal LEDs
Materialpolycarbonate
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 conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Connection cross-section AWGs*: AWG28…16,
st*: AWG22…16,
f*: AWG26…19
Stripping length8…9 mm
Current load power contactsImax: 10 A

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

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