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EP1518-000x | 8-channel digital multi-function input 24 V DC, diagnostics, counter (2 x 32 bit, 1 kHz)


The EP1518 EtherCAT Box modules with digital inputs acquire binary control signals from the process level and transmit them, in an electrically isolated form, to the controller. The signal state is displayed by light emitting diodes. The signals are optionally connected via M8 (EP1518-0001) or M12 (EP1518-0002) screw type connectors. The input filters can be set between 0 and 100 ms via EtherCAT. Inputs 0 and 4 can be used as 32-bit up/down counters.

The sensors are supplied via the control voltage US in two groups of four sensors each. Any short circuits on the sensor side are detected and reported to the controller. The load voltage UP is not used in the input module, but may optionally be connected in order to be relayed downstream.


Technical data EP1518-0001 EP1518-0002
Specification EN 61131-2, type 1/3
Number of inputs 8, 2 of which can be used as 32 bit up/down counters
Input connections M8, screw type M12, screw type
Counting frequency max. 1 kHz
Protocol EtherCAT
Bus interface 2 x M8 socket, shielded, screw type
Nominal input voltage 24 V DC (-15 %/+20 %)
Input filter adjustable 0…100 ms
“0“ signal voltage -3…+5 V (EN 61131-2, type 3)
“1“ signal voltage 11…30 V (EN 61131-2, type 3)
Input current typ. 3 mA (EN 61131-2, type 3)
Distributed clocks yes
Sensor supply derived from control voltage, max. 0.5 A per 4 sensors, short-circuit-proof
Power supply connection feed: 1 x M8 male socket, 4-pin; downstream connection: 1 x M8 female socket, 4-pin
Bit width in the process image input/output: 8 bit data, 8 bit diagnostics, 48 bit counter input, 48 bit counter output
Current consumption from US (without sensor current) 120 mA
Electrical isolation 500 V
Weight approx. 165 g
Operating/storage temperature -25…+60 °C/-40…+85 °C
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27/29
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 65/66/67 (conforms to EN 60529)/variable
Approvals CE, UL in preparation