Defective product due to gases jeopardizing
functions
Due to the risk of corrosion, avoid sulphurous gases (e.g. sulphur dioxide (SO
2
)
and hydrogen suphide (H
2
S)). The product is not resistant against these gases.
Failure of the product due to overheating
To avoid overheating and a trouble-free operation of the product, the ambient air
has to circulate. Also refer to chapter 10.2 "Installation notes" on page 16
This is a product that corresponds to the limit values of the emitted
interference of class A (industrial environments), but not of class B
(residential area and small enterprises).
When using the product in residential areas or small enterprises, the
operator has to take actions to prevent radio interferences (also re-
fer to DIN EN 55022).
7
Technical data
Weight 0.120 kg
Degree of protection IP 20 acc. to DIN EN 60 529
Tab. 7-1: Technical data
7.1 Voltage supply and current consumption
The following specifications include the values acc. to EN 61131-2.
Infeed U
L
24 V DC PELV/SELV (safety extra-low voltage)
Maximum voltage range allowed 18 V DC to 31.2 V DC (incl. all tolerances and rip-
ple)
Current consumption from U
L
0.2 A max.
Power consumption from U
L
4.8 W max.
Reverse voltage protection of the supply voltage Diode
Fuse protection Internal protective fuse, 4 A
Transient protection Present, suppressor diodes
Voltage dips at current supply interfaces Up to 10 ms without impairment
Electrical isolation and isolation of the voltage ranges
Profibus extension module
24 V supply with FE to XF8 845 V AC, 50 Hz, 1 min
Bosch Rexroth AG
Technical data
Extension Modules Profibus, RT-
Ethernet, Sercos, CAN
8/37
DOK-CONTRL-XFE**EXTMOD-IT04-EN-P
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