Burkert Type 8642 - 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