Beckhoff EL3681 — EtherCAT Terminals
The EL3681 EtherCAT Terminal enables measurement of currents and voltages in a wide input range. The measuring ranges are switched automatically, as usual in advanced digital multimeters. For current measurements, two current paths are available, one of
| Approvals/markings | CE |
|---|---|
| Bit width in the process image | 32 bit data, 16 bit control/status |
| Conversion time | 0.5 s (1 s during measuring range switching) preset, min. 65 ms |
| Current consumption E-bus | 150 mA |
| Current consumption power contacts | – |
| Distributed clocks | – |
| Electrical isolation | 1500 V (E-bus/field potential) |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Internal resistance | 3 mΩ/0.2 Ω/12.5 MΩ |
| Measured values | current, voltage |
| Measurement error/uncertainty | 0.01% DC voltage measurement at 40°C |
| Measuring current | 100 mA, 1 A and 10 A via high current path |
| Measuring procedure | DC with arithmetic averaging, AC with true RMS value calculation |
| Measuring voltage | 300 mV, 3 V, 30 V, 300 V |
| Number of inputs | 1 voltage or 1 current (10 A/1 A) |
| Operating Temperature | -25…+60°C |
| Pluggable wiring level | for all ESxxxx terminals |
| Protect. rating/installation pos. | IP20/variable |
| Relative Humidity | 95%, no condensation |
| Resolution | 18 bit + sign in each measurement range |
| Signal voltage | max. 300 V AC/DC, 10 A |
| Special Features | automatic or manual range selection, 1.25 A fuse installed + spare fuse, filter deactivatable |
| Storage Temperature | -40…+85°C |
| Update time | 0.5 s, 1 s for measuring range selection |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Weight | approx. 70 g |
Frequently Asked Questions
How do I get pricing for EL3681?
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 EL3681?
EL3681 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 EL3681?
Key specifications include Approvals/markings: CE; Bit width in the process image: 32 bit data, 16 bit control/status; Conversion time: 0.5 s (1 s during measuring range switching) preset, min. 65 ms; Current consumption E-bus: 150 mA. The full specification table on this page lists every published attribute for this part.
How quickly can EL3681 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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