Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications |
| Other |
| Technology |
incremental encoder interface, differential (RS422), single-ended (TTL), counter, pulse generator |
| Number of channels |
1 |
| Encoder connection |
1 x A, B, C: differential inputs (RS422): A, A̅ (inv), B, B̅ (inv), C,C̅ (inv), single-ended connection (TTL): A, B, C, counter, pulse generator: A, B |
| Additional inputs |
status input 5 V DC, gate/latch input 24 V DC |
| Encoder operating voltage |
5 V DC/max. 0.5 A (generated from the 24 V DC power contacts) |
| Counter |
1 x 16/32 bit switchable |
| Cut-off frequency |
4 million increments/s (with 4-fold evaluation), corresponding to 1 MHz |
| Quadrature decoder |
4-fold evaluation |
| Distributed clocks |
yes |
| Nominal voltage |
24 V DC (-15%/+20%) |
| Resolution |
1/256 bit microincrements |
| Current consumption power contacts |
typ. 100 mA + load |
| Current consumption E-bus |
typ. 130 mA |
| Electrical isolation |
500 V (E-bus/field potential) |
| Special features |
wire breakage detection, latch and gate function, period duration and frequency measurement, microincrements, timestamping of edges, filters |
| Weight |
approx. 100 g |
| Operating temperature |
-25…+60°C |
| Storage temperature |
-40…+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 |
| Pluggable wiring level |
for all ESxxxx terminals |
| Approvals/markings |
CE, CCC, UL, ATEX, IECEx, cFMus |
| Ex marking |
ATEX: II 3G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc |
| Design form |
compact terminal housing with signal LEDs |
| Material |
polycarbonate |
| Side by side mounting by means of |
double slot and key connection |
| Connection cross-section |
s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Connection cross-section AWG |
s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping length |
8…9 mm |
| Current load power contacts |
Imax: 10 A |
| Dimensions (W x H x D) |
24 mm x 100 mm x 68 mm |
| ES5101 |
EtherCAT Terminal, 1-channel encoder interface, incremental, 5 V DC (DIFF RS422, TTL), 1 MHz, pluggable wiring level |
| REACH SVHC |
no |
| POP |
compliant |
| RoHS |
compliant with exemption |
| CA Prop65 |
www.beckhoff.com/prop65 |
Model variants, options and firmware revisions can affect fitment. Before ordering the Beckhoff EL5101 ethercat terminal, share your existing part number or project requirements and our team will cross-reference comparable in-stock Beckhoff units and verify compatibility. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.
Independent supplier: Beckhoff part EL5101 is supplied by SHLY-PLC, an independent industrial-automation distributor. Brand names and part numbers are used for product identification and remain the property of their respective owners; this listing is not affiliated with, sponsored or endorsed by the manufacturer.
A: Each EL5101 is inspected and functionally checked before sale. Contact us for the current stock condition and quantity.
A: In-stock orders placed before 14:00 ship the same business day. Standard worldwide delivery is about 5-8 business days, express shipping is available and orders over $500 ship free.
A: Yes. Share your existing part number or application and our technical team will verify compatibility and provide cross-references to comparable in-stock models.