TwinSAFE Functional Safety I/O
Integrated safety: The TwinSAFE Bus Terminals enable the connection of safety sensors and actuators.
EL1904 | 4-channel digital input terminal, TwinSAFE, 24 V DC
The EL1904 safety EtherCAT Terminal is a digital input ter- minal for sensors with potential-free contacts for 24 V DC. T he EtherCAT Terminal has four fail-safe inputs. The EL1904 meets the requirements of IEC 61508, SIL 3, and EN 954, Cat. 4 and DIN EN ISO 13849 PLe.
EL2904 | 4-channel digital output terminal, TwinSAFE, 24 V DC
The EL2904 safety EtherCAT Terminal is a digital output ter-minal with four channels. It switches 24 V DC actuators with up to 2 A total current. If the EtherCAT Terminal detects a fault, it switches off automatically (fail stop). The EL2904 meets the requirements of IEC 61508, SIL 3, and EN 954, Cat. 4 and DIN EN ISO 13849 PLe.
Beckhoff Automation GmbH & Co. KG