English – Burkert Type 8642 User Manual
Page 12

8642 - 11
english
Field bus interface according to IEC 1158-2
Communication device following the FISCO model
Permitted operating voltage:
9 - 24 V
Permitted operating voltage, intrinsically safe:
referring to power supply device with
– trapezoidal characteristic curve
9 - 15 V
– linear characteristic curve
9 - 17,5 V
Operating current:
16,5 mA ± 6%
Maximum current in case of a fault:
< 22,5 mA
Max. permissible power of the power supply
2 W
with intrisically safe bus supply
Permissible temperature range:
- 25 to 60 °C
Climatic test:
DIN IEC Part 2 - 38
exposure 10 cycles à 24 h
Insulation class:
3
Protection class of housing:
IP 65
(when using corresponding
screwed fittings)
Explosion protection to
EN 50020 and EN 50014
II 2 (1) G EEx ia IIC T6
4
GENERAL TECHNICAL DATA FOR THE I/O BOX TYPE
8642 WITH PROFIBUS PA CIRCUIT
NOTE
The I/O Box Type 8642 fulfils the regulations of the EMC law:
Resistance to interference
EN 50082-2
Transmitted interference
EN 50081-2
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