20
Installation
6.4.3
Supply connection
Terminal 24 V DC
Connection for the power supply in the ignition protection type EEx e II. Max. connected loads see EC Type
Examination Certificate.
Bus terminal
Connection for the bus supply in accordance with IEC 1158-2.
There are two options available depending on the device model.
DANGER!
Danger of explosion due to unauthorized combination of the ignition protection types!
Unauthorized combination of the ignition protection types may cause hazardous situations!
▶
If the bus supply of the device was operated once in ignition protection type of increased safety (e), the bus
supply may no longer be intrinsically safe in the ignition protection type (i).
Bus supply with increased safety
Ignition protection type: EEx e II
•
Intrinsically safe bus supply
Ignition protection type EEx ia IIC or ignition protection type EEx ia IIB
english
Type 8643 PA
Summary of Contents for 8643 PA
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