3 technical data – BECKHOFF EK1914 User Manual
Page 16
Product description
14
EK1914
3.3 Technical data
Product designation
EK1914
Task within the EtherCAT system
coupling of EtherCAT Terminals (ELxxxx) to
100BASE-TX EtherCAT networks
Protocol / Baud rate
EtherCAT Device Protocol / 100 MBaud
Cable length between two Bus Couplers
max. 100 m (100BASE-TX)
Transmission medium
at least Ethernet CAT-5 cable
Bus connection
2 x RJ45
Supply voltage for the EK1914 (PELV)
24 V
DC
(-15%/+20%)
Number of standard inputs
4
Number of standard outputs
4
Number of safe inputs
2
Number of safe outputs
2
Status display
16 LEDs
Reaction time
(Read input/write to E-bus)
typically: 4 ms,
maximally: see error reaction time
Error reaction time
≤
watchdog time
Signal voltage “0”, standard inputs
-3 V ... 5 V (EN 61131-2, type 1/3)
Signal voltage “1”, standard inputs
11 V ... 30 V (EN 61131-2, type 3)
Input filter, standard inputs
500 µs
Input current, standard inputs
typically 3 mA (EN 61131-2, type 3)
Output current per standard output
max. 0.5A
Output current of the clock outputs
typically 10 mA, max. 15 mA
Output current per safe output
max. 500 mA, min. 20 mA
Actuators
when selecting actuators please ensure that the test
pulses from the safe outputs do not lead to actuator
switching.
Cable length between
sensor/actuator and Bus
Coupler
(unshielded)
100 m max.(at 0.75 or 1 mm²)
(shielded)
100 m max.(at 0.75 or 1 mm²)
Input process image
8 byte
Output process image
8 byte
E-bus power supply (5 V)
max. 500 mA
(in case of higher current consumption, please use
additional
EL9410
power feed terminals!)
Power contacts (PELV)
max. 24 V
DC
, max. 4 A
Current consumption (excluding current
consumption of the sensors/actuators and further
terminals on the E-bus)
typically 72 mA
Power loss of the Bus Coupler
typically 1.8 W without connected sensors/actuators
Electrical isolation (between the channels)
no
Electrical isolation (between the channels and the
E-bus)
no
Electrical isolation (between the EtherCAT
connections and the channels/E-bus)
yes
Insulation voltage (between the EtherCAT
connections and the channels/E-bus, under
common operating conditions)
insulation tested with 500 V
DC
Dimensions (W x H x D)
approx. 44 mm x 100 mm x 68 mm
Weight
approx. 123 g