3 technical data – BECKHOFF KL6904 User Manual
Page 16

Product description
14
KL6904
3.3 Technical data
Product designation
KL6904
Number of inputs
0
Number of outputs
4
Status display
4 (one green LED per output)
Error reaction time
≤
watchdog times
Output current per channel
max. 500 mA, min. 20 mA
Actuators
When selecting actuators please ensure that the
output test pulses do not lead to actuator switching.
Cable length between
actuator and terminal
(unshielded)
max. 100 m
(shielded)
max. 100 m
Wire cross section
min. 0.75 mm
2
Input process image
192 byte max.
Output process image
192 byte max.
KL6904 supply voltage
24 V
DC
(-15%/+20%)
Current consumption from K-bus
max. 250 mA
Power dissipation of the terminal
typically 2 W
Electrical isolation (between the channels)
no
Electrical isolation (between the channels and the
K-Bus)
yes
Insulation voltage (between the channels and the
K-Bus, under common operating conditions)
insulation tested with 500 V
DC
Dimensions (W x H x D)
24 mm x 100 mm x 68 mm
Weight
approx. 100 g
Permissible ambient temperature (operation)
0
℃
to +55
℃
Permissible ambient temperature
(transport/storage)
-25
℃
to +70
℃
Permissible air humidity
5 % to 95 %, non-condensing
Permissible air pressure
(operation/storage/transport)
750 hPa to 1100 hPa
Climate category according to EN 60721-3-3
3K3
Permissible level of contamination
level of contamination 2
(comply with the chapter Cleaning)
Impermissible operating conditions
TwinSAFE terminals must not be used under the
following operating conditions:
•
under the influence of ionizing radiation
•
in corrosive environments
•
in an environment that leads to
unacceptable soiling of the Bus Terminal
Vibration / shock resistance
according to EN 60068-2-6 / EN 60068-2-27
EMC immunity/emission
according to EN 61000-6-2 / EN 61000-6-4
Shocks
15 g with pulse duration 11 ms in all three axes
Protection class
IP20
Permitted operating environment
control cabinet or terminal box with minimum
protection class IP54 according to IEC 60529
Permissible installation position
horizontal
Approvals
CE, TÜV SÜD