Beckhoff EL1904 User Manual

Table of figures
EL1904 55Version: 3.0.0
Table of figures
Fig. 1 Slot and key system and screwless (spring-loaded) connection system. .................................... 14
Fig. 2 Bus Coupler (EtherCAT) .............................................................................................................. 15
Fig. 3 TwinSAFE Terminals (EtherCAT) ................................................................................................ 16
Fig. 4 EL1904 – TwinSAFE terminal with 4 digital fail-safe inputs......................................................... 19
Fig. 5 Characteristic curve of the inputs................................................................................................. 24
Fig. 6 Dimensions of the EL1904........................................................................................................... 25
Fig. 7 Block diagram of the EL1904....................................................................................................... 25
Fig. 8 Installation position and minimum distances................................................................................ 27
Fig. 9 Example configuration for temperature measurement................................................................. 28
Fig. 10 Installation on the mounting rail ................................................................................................... 29
Fig. 11 Removal from mounting rail ......................................................................................................... 30
Fig. 12 PE power contact ......................................................................................................................... 31
Fig. 13 Connection of a cable to a terminal point..................................................................................... 32
Fig. 14 EL1904 pin assignment................................................................................................................ 33
Fig. 15 Permitted cable length ................................................................................................................. 34
Fig. 16 Cable routing................................................................................................................................ 34
Fig. 17 Typical course of test pulses of the inputs ................................................................................... 35
Fig. 18 Typical response time .................................................................................................................. 36
Fig. 19 Worst case response time............................................................................................................ 37
Fig. 20 Inserting an EL1904 ..................................................................................................................... 40
Fig. 21 Address settings on TwinSAFE terminals with 65535 possible addresses.................................. 41
Fig. 22 Entering the FSoE address .......................................................................................................... 42
Fig. 23 Setting the connection of the TwinSAFE connection ................................................................... 43
Fig. 24 Setting the parameters of the TwinSAFE connection .................................................................. 43
Fig. 25 Maximum permissible sensor self-test duration of 350 µs ........................................................... 44
Fig. 26 Unique serial number of a TwinSAFE terminal ............................................................................ 49
Fig. 27 EL1904 EC Declaration of Conformity ......................................................................................... 54

Beckhoff EL1904 Specifications

General

Brand	Beckhoff
Model	EL1904
Category	Touch terminals
Language	English