Endress+Hauser Micropilot FMR67B - Electrical Connection; Potential Equalization

Micropilot FMR67B PROFINET with Ethernet-APL
10 Endress+Hauser
Electrical connection Connection examples
PROFINET with Ethernet-APL
1
2
3
4
4
A0045802
 7 Connection example for PROFINET with Ethernet-APL
1 Automation system
2 APL field switch
3 Observe cable specifications
4 Transmitter
Potential equalization
The protective ground on the device must not be connected. If necessary, the potential matching line
can be connected to the outer ground terminal of the transmitter before the device is connected.
1
B
1
D
1
A
1
E
1
C
A0046583
A Single compartment housing, plastic
B Single compartment housing, aluminum
C Single compartment housing, 316L hygiene (Ex device)
D Dual compartment housing
E Dual compartment housing, L-form
1 Ground terminal for connecting the potential matching line
L
WARNING
Explosion Hazard!
‣
Please refer to the separate documentation on applications in hazardous areas for the safety
instructions.
For optimum electromagnetic compatibility:
• Keep the potential matching line as short as possible
• Observe a cross-section of at least 2.5 mm
2
(14 AWG)