Endress+Hauser Micropilot FMR67B - Electrical Connection; Connecting Requirements

Electrical connection Micropilot FMR67B HART
18 Endress+Hauser
 Is the measuring device protected against precipitation and sunlight?
 Are the securing screws and cover lock tightened securely?
 Does the measuring device comply with the measuring point specifications?
For example:
•  Process temperature
•  Process pressure
•  Ambient temperature
•  Measuring range
11 Electrical connection
11.1 Connecting requirements
11.1.1 Cover with securing screw
In the case of devices for use in the hazardous area with a certain type of protection, the cover
is sealed by a securing screw.
NOTICE
If the securing screw is not positioned correctly, the cover cannot provide secure sealing.
‣
Open the cover: slacken the screw of the cover lock with a maximum of 2 turns so that the
screw does not fall out. Fit the cover and check the cover seal.
‣
Close the cover: screw the cover securely onto the housing, making sure that the securing
screw is positioned correctly. There should not be any gap between the cover and housing.
2 x
0.7 Nm
4
A0039520
 4 Cover with securing screw
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.