Beckhoff EP1957-0022 - Product Description; EP1957-0022 and EP1957-2222 Overview

Product description
EP1957-0022 and EP1957-2222 15Version: 2.0.0
4 Product description
4.1 EP1957-0022 and EP1957-2222
The EP1957 is an EtherCAT Box with digital inputs for 24V
DC
encoders or for potential-free contacts, with
digital outputs for 24V
DC
actuators. The EtherCAT Box has 8 fail-safe inputs and 4 fail-safe outputs.
With a two-channel connection, the EP1957 meets the requirements of EN61508-1:2010SIL3 and
ENISO13849-1:2015(Cat4, PLe), see chapter Safe inputs and outputs [}19].
Fig.2: Connection diagram
The control voltage U
S
supplies the module electronics.
The clock outputs / sensor supply voltage (parameterizable) and the safe outputs are supplied from the field
voltage U
P
.
The TwinSAFE EtherCAT Box has the typical design of an EtherCAT Box with 60mm width.