BECKHOFF EP1908 - Manual (Page 11)

Product description
EP1908-0002 9
3.3 Technical data
Product designation EP1908-0002
Fieldbus EtherCAT
Number of inputs 8
Connecting the inputs M12
Status display 8 (one green LED per input)
Reaction time
(Read input/write to E-bus) typically: 4 ms,
maximally: see error reaction time
Watchdog time adjustable from 2 ms to 60 s
Error reaction time ≤ watchdog time
Frequency range for speed measurement 2 Hz to 500 Hz
Cable length between
sensor and EtherCAT Box (unshielded) 30 m max.(at 0.75 or 1 mm²)
(shielded) 30 m max.(at 0.75 or 1 mm²)
Output current of the clock outputs typically 10 mA, max. 15 mA
Input process image 6 byte
Output process image 6 byte
Supply voltage for the EP1908 24 V
DC
(-15%/+20%)
Power consumption Us
(connected with eight potential-free contacts)
8 channels occupied: typically 87 mA
0 channels occupied: typically 80 mA
Current consumption U
P
(connected with eight potential-free contacts)
8 channels occupied: approx. 27 mA
0 channels occupied: approx. 6 mA
Power dissipation of the EtherCAT Box typically 3 watts
Electrical isolation (between the channels) no
Electrical isolation (between the channels and
EtherCAT) yes
Insulation voltage (between the channels and
EtherCAT, under common operating conditions) insulation tested with 500 V
DC
Dimensions (W x H x D) 30 mm x 126 mm x 26.5 mm
Housing material PA6-F (polyamide)
Sealing compound polyurethane
Weight approx. 170 g
Permissible ambient temperature (operation) -25 ℃ to +70 ℃
Permissible ambient temperature
(transport/storage) -40 ℃ to +85 °C
Permissible air humidity 5 % to 95 %, non-condensing
Permissible air pressure
(operation/storage/transport) 750 hPa to 1100 hPa
Impermissible operating conditions TwinSAFE EtherCAT boxes must not be used under
the following conditions:
•
under the influence of ionizing radiation
•
in corrosive environments
EMC immunity/emission according to EN 61000-6-2 / EN 61000-6-4
Vibration / shock resistance according to EN 60068-2-6 / EN 60068-2-27
Shocks 15 g with pulse duration 11 ms in all three axes
Protection class (when screwed together) IP65, IP66, IP67 (according to EN 60529)
Permissible installation position Variable
Approvals CE, TÜV SÜD