Endress+Hauser Micropilot FMR60B - Page 17

Micropilot FMR60B PROFINET with Ethernet-APL Electrical connection
Endress+Hauser 17
11.1.2 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)