Burkert Type 8642 - Manual (Page 11)

8642/142 791 - 9
english
Field bus interface according to IEC 1158-2
Communication device following the FISCO model
Permissible operational voltage: 9 - 15 V
Maximum operating current: < 33 mA
Maximum current in case of a fault: < 53 mA
Max. permissible power of the supply unit: 1.93 W
Permissible temperature range: - 25 to 50 °C
Insulation class: 3
Protection class of housing: IP 65
Explosion protection to EN 50020 EEx ia IIC T6
3 GENERAL TECHNICAL DATA FOR THE I/O BOX TYPE
8642 WITH PROFIBUS-PA CIRCUIT
4 INSTALLATION AND COMMISSIONING
Î Work on the device should only be carried out by specialist staff using the
correct tools!
Î Always switch off the voltage supply before working on the system!
ATTENTION!
Never dismount piping or valves from systems which are
under pressure!
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