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EL6688 | EtherCAT Terminal, 1-port communication interface, IEEE 1588/PTP, master/slave

EL6688 | EtherCAT Terminal, 1-port communication interface, IEEE 1588/PTP, master/slave

EL6688 | EtherCAT Terminal, 1-port communication interface, IEEE 1588/PTP, master/slave

Status LEDs
Ethernet port 1
Top view 
EL6688 | EtherCAT Terminal, 1-port communication interface, IEEE 1588/PTP, master/slave

EL6688 | EtherCAT Terminal, 1-port communication interface, IEEE 1588/PTP, master/slave

Distributed Clocks: the integrated time management system in EtherCAT

Distributed Clocks: the integrated time management system in EtherCAT

The EL6688 EtherCAT Terminal presents itself as a device in the IEEE 1588 synchronization system with support for PTPv1 (IEEE 1588-2002) and PTPv2 (IEEE 1588-2008) based on Ethernet.

On the one hand, the EL6688 is an IEEE 1588 clock (master or slave) that is synchronized based on the protocol precision. On the other hand, it is synchronized as an EtherCAT Terminal by the distributed clock system. The following operating modes can be selected via the TwinCAT System Manager: "SlaveOnly", "MasterOnly" and "Best Master Clock". In this way, a consistent timebase can be created across applications for any number of spatially separated EtherCAT systems and machine sections, e.g. for application with axes or measurement technology. The compact EtherCAT Terminal enables flexible deployment depending on the application requirements.

Product status:

regular delivery

Product information

Technical dataEL6688
Number of Ethernet ports1
Bus systemEthernet (IEEE 802.3)
Ethernet interface10BASE-T/100BASE-TX Ethernet with 1 x RJ45
Data transfer rates10/100 Mbit/s, IEEE 802.3u auto-negotiation, half or full duplex at 10 and 100 Mbit/s possible, automatic settings
Cable lengthup to 100 m twisted pair
Hardware diagnosticsstatus LEDs
Power supplyvia the E-bus
Distributed clocksyes
Electrical isolation500 V (E-bus/Ethernet)
ProtocolPTPv1 (IEEE 1588-2002), PTPv2 (IEEE 1588-2008)
Configurationno
Current consumption power contacts
Current consumption E-bustyp. 310 mA
Special featuresusable in TwinCAT as a reference clock
Weightapprox. 75 g
Operating/storage temperature0…+55°C/-25…+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
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Approvals/markingsCE, UL, ATEX, IECEx
Housing dataEL-24
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)24 mm x 100 mm x 52 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Marking
Wiringspecific push-in connection

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