Beckhoff EL2904 User Manual

List of illustrations
EL290452 Version: 3.2.2
List of illustrations
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 EL2904 – TwinSAFE terminal with 4 digital fail-safe outputs....................................................... 19
Fig. 5 Dimensions of the EL2904........................................................................................................... 24
Fig. 6 Block diagram of the EL2904....................................................................................................... 25
Fig. 7 PE power contact......................................................................................................................... 27
Fig. 8 Connection of a cable to a terminal point..................................................................................... 28
Fig. 9 EL2904 pin assignment................................................................................................................ 29
Fig. 10 Permitted cable length ................................................................................................................. 30
Fig. 11 Cable routing................................................................................................................................ 30
Fig. 12 Typical course of test pulses of the outputs................................................................................. 31
Fig. 13 Installation position and minimum distances................................................................................ 32
Fig. 14 Example configuration for temperature measurement................................................................. 33
Fig. 15 Typical response time .................................................................................................................. 34
Fig. 16 Worst case response time............................................................................................................ 35
Fig. 17 Inserting an EL2904 ..................................................................................................................... 38
Fig. 18 Address settings on TwinSAFE terminals with 1023 possible addresses.................................... 39
Fig. 19 Entering the FSoE address .......................................................................................................... 40
Fig. 20 Setting the connection of the TwinSAFE connection ................................................................... 40
Fig. 21 Setting the parameters of the TwinSAFE connection .................................................................. 41
Fig. 22 Diagnostic LEDs........................................................................................................................... 42

Beckhoff EL2904 Specifications

General

Brand	Beckhoff
Model	EL2904
Category	Touch terminals
Language	English