EtherCAT I/O (EK couplers, EL terminals)Remote I/O
EtherCAT bus couplers (EK110x/EK15xx) and EL/ES terminals; diagnostics through the EtherCAT state machine and AL status codes.
Documentation · 3
EK110x, EK15xx EtherCAT Bus Coupler — documentation
Equipment manual
EtherCAT bus couplers: mounting, connection, configuration in TwinCAT, LEDs and diagnostics.
Open on manufacturer site online documentation
Link verified 2026-10-02
EtherCAT system documentation — AL status codes
Online documentation
Online list of EtherCAT Application Layer status codes reported by slaves during state transitions, with meanings.
Open on manufacturer site online documentation
Link verified 2026-10-01
EtherCAT System Manual
System manual
EtherCAT introduction, mounting, wiring, configuration, operation and diagnostics (state machine, AL status, error counters).
Open on manufacturer site online documentation
Link verified 2026-10-02
Diagnostics · 6
- 0x0000 — No error
- 0x0011 — Invalid requested state change
- 0x0012 — Unknown requested state change
- 0x0017 — Invalid Sync Manager configuration
- 0x001B — Sync manager watchdog
- 0x0023 — Slave needs SAFEOP