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Beckhoff EL6688

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

MPN: EL6688
Category: EL6xxx | Communication

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Beckhoff EL6688?

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)

Specifications

Number of ports	1
Bus system	Ethernet (IEEE 802.3)
Ethernet interface	10BASE-T/100BASE-TX Ethernet with 1 x RJ45
Data transfer rates	10/100 Mbit/s, IEEE 802.3u auto-negotiation, half or full duplex at 10 and 100 Mbit/s possible, automatic settings
Cable length	up to 100 m twisted pair
Hardware diagnostics	status LEDs
Power supply	via the E-bus
Distributed clocks	yes
Electrical isolation	500 V (E-bus/Ethernet)
Protocol	PTPv1 (IEEE 1588-2002), PTPv2 (IEEE 1588-2008)
Configuration	no
Current consumption power contacts	–
Current consumption E-bus	typ. 310 mA
Special features	usable in TwinCAT as a reference clock
Weight	approx. 75 g
Operating temperature	0…55°C
Storage temperature	-25…+85°C
Relative humidity	95%, no condensation
Vibration/shock resistance	conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission	conforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.	IP20/variable
Approvals/markings	CE, CCC, UL, ATEX, IECEx
Ex marking	ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc
Design form	compact terminal housing with signal LEDs
Material	polycarbonate
Installation	on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of	double slot and key connection
Marking	–
Wiring	specific push-in connection
Dimensions (W x H x D)	24 mm x 100 mm x 52 mm

EL6688: frequently asked questions

When can EL6688 be shipped?

EL6688 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up EL6688 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for EL6688 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for EL6688, subject to availability and destination.