NF505A - Sensor IFM - Free user manual and instructions

USER MANUAL NF505A IFM

Operating instructions (Ex protection related part) Inductive NAMUR sensor

NF505A

1 Safety instructions

Remarks for safe use in hazardous areas.

• The device must only be installed, connected and set up by qualified staff. The qualified staff must have knowledge of types of protection, regulations and provisions for apparatus in hazardous areas.
• The classification and marking of the device must be suitable for the application.
• Adhere to the respective national regulations and provisions as well as the relevant installation regulations.
• Observe applicable documents.

2 Intended use

Use in hazardous areas according to the classification:

ATEX classification		Marking	Permissible ambient temperature
		Ex ia IIC T6 Ga	-20...70 °C
		Ex ia IIIC T200 90°C Da	-20...70 °C
		Ex ia IIC T5 Ga	-20...80 °C
		Ex ia IIIC T200 100°C Da	-20...80 °C

Type examination certificate:

• EU: PTB 01 ATEX 2191, BVS 04 ATEX E153 X

The requirements of the following standards are met:

• EN IEC 60079-0:2018, EN 60079-11:2012

Connection only to intrinsically safe circuits which are approved with the type examination certificate and do not exceed the following maximum values:

Ui = 1 5 V, Ii = 5 0 mA, Pi = 1 2 0 mW

Maximum effective internal inductance (Li) and capacitance (Ci):

Li = 1 4 7 µH, Ci = 1 4 3 nF

3 Installation

▶ Protect device and cable against destruction.
▶ Avoid electrostatic charging on plastic housings and cables.
▶ To avoid electrostatic charging, ensure the equalisation of potential of metal parts (connector housing, fixing elements, protective housing, etc.).
▶ Do not install the device in walls which separate zone 0.

4 Maintenance, repair and disposal

No modifications or repairs may be made to the device.

▶ In case of a fault please contact the manufacturer.
▶ If required, request data sheets or type examination certificates / certificates from the manufacturer ( → cover sheet / back).