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English – Burkert Type 8643 User Manual

Page 11

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8643 - 11

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Dependable IP protection.

Freedom in the assignment of the individual signals thanks to the FOUN-

DATION Fieldbus' DO and DI function blocks.

power I/o Box technical features

Available optionally as a 2-lead or 4-lead device.

Housing: Polyester, powder-coated aluminum.

Protection class: IP65 (as electronic module, IP20 / IP30)

Temperature range from –20 to +55 °C (see table in the EC Type

Examination Certificate in the Annex)
Interfaces: FOUNDATION Fieldbus H1

Outputs: 4x Ex-i DO; Inputs: 8x Ex-i DI

Optional: LED module status display for inputs and outputs

ATEX approval: II 2 (1) G Ex [ia] me IIC T4

5.1.2 field of application

The Power I/O Box Type 8643 is designed for decentralized use in industrial
environments, especially the pharmaceutical, petrochemical and specialized
chemical industries.
It meets the specifications for the protection classes IP20/IP30 (as an elec-
tronic module) and IP65 (in aluminum or polyester housings).

danGer!

hazard due to electrical voltage!
The Power I/O Box Type 8643 is designed with ignition protection type
Ex-e (increased safety).

Switch off the system's operating voltage before working on the Power

I/O Box Type 8643!

noTe!

When using the Power I/O Box Type 8643 in a control cabinet, ensure that:

the control cabinet is also approved for use in an explosive environment,

the control cabinet is dimensioned sufficiently large to exhaust the waste

heat out of the cabinet in a suitable manner,
the temperature inside the control cabinet does not exceed the permis-

sible operating temperature of the Power I/O Box Type 8643!