Beckhoff EL6688 — EtherCAT Terminals
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)
| Approvals/markings | CE, CCC, UL, ATEX, IECEx |
|---|---|
| Bus system | Ethernet (IEEE 802.3) |
| Cable length | up to 100 m twisted pair |
| Configuration | no |
| Current consumption E-bus | typ. 310 mA |
| Current consumption power contacts | – |
| 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 |
| Distributed clocks | yes |
| Electrical isolation | 500 V (E-bus/Ethernet) |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Ethernet interface | 10BASE-T/100BASE-TX Ethernet with 1 x RJ45 |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
| Hardware diagnostics | status LEDs |
| Number Of Ports | 1 |
| Operating Temperature | 0…55°C |
| Power Supply | via the E-bus |
| Protect. rating/installation pos. | IP20/variable |
| Protocol | PTPv1 (IEEE 1588-2002), PTPv2 (IEEE 1588-2008) |
| Relative Humidity | 95%, no condensation |
| Special Features | usable in TwinCAT as a reference clock |
| Storage Temperature | -25…+85°C |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Weight | approx. 75 g |
Frequently Asked Questions
How do I get pricing for EL6688?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the EL6688?
EL6688 is a Beckhoff part. KKM Solutions sources Beckhoff components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What are the key specifications of EL6688?
Key specifications include Approvals/markings: CE, CCC, UL, ATEX, IECEx; Bus system: Ethernet (IEEE 802.3); Cable length: up to 100 m twisted pair; Configuration: no. The full specification table on this page lists every published attribute for this part.
How quickly can EL6688 ship?
In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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