Soliwave FDR16/FQR16
Hauser
19
Electrical connection
5.3
Post-installation check
̃
Is the device undamaged (visual inspection)?
̃ Does the device conform to the measuring point specifications?
For example:
• Process temperature
• Process pressure
• Ambient temperature
̃
Are the measuring point number and labeling correct (visual inspection)?
̃
Is the device adequately protected against precipitation and direct sunlight?
̃
Is the device properly secured?
6
Electrical connection
For a device for the hazardous area:
Observe the instructions in the Ex documentation (XA).
6�1
Connection requirements
6�1�1
Connect potential equalization
The potential equalization for the device must be integrated into the existing potential
equalization on site.
Requirements:
• The potential equalization must be connected to the external ground terminal on the
device.
• For optimum electromagnetic compatibility, keep the potential equalization line as short
as possible.
• The recommended cable cross-section is 2.5 mm
2
.
• The potential equalization of the FDR16/FQR16 must be included in the local potential
equalization.
6�1�2
Connecting cable requirements
The connections cables with M12A connector must be fulfil the following requirements:
•
Permissible temperature range → 38
•
Protection → 39
•
Connection cable FQR16 max. 2.5 Ω/core
•
Connecting cable FDR16 with FQR16 max. 5 Ω/core
•
Total capacity < 100 nF
Suitable connection cable
→ 27 and order structure option "accessory enclosed"
6�2
Output signal
Safety-related circuit
MIN or MAX point level: The electric switch opens when the point level is reached, in case
of malfunctions or power failure.
