Electrical connection Deltabar FMD71, FMD72
24 Endress+Hauser
6 Electrical connection
L
WARNING
If the operating voltage is > 35 VDC: Dangerous contact voltage at terminals.
Risk of electric shock!
‣
In a wet environment, do not open the cover if voltage is present.
The sensor modules have a designation independent of the master/slave
configuration. This indicates where the sensor module is typically installed:
• Sensor module LP
LP = Low pressure; top
• Sensor module HP
HP = High pressure; bottom
For further information, see the "Function" section → 13.
6.1 Connecting the sensor module LP to the sensor
module HP
L
WARNING
Supply voltage might be connected!
Risk of electric shock and/or explosion!
‣
Switch off the supply voltage before connecting the device.
• Screw on the housing cover of the terminal compartment of the sensor module LP.
• Guide the cable of the sensor module HP through the cable gland of the sensor module
LP. Use the shielded 4-wire cable that is provided. The wire ends are color-coded to
match the corresponding terminal.
• Connect device in accordance with the following diagrams.
• Screw down housing cover.
6
7
5
5
6
2 3 4
3
4
1
21
6
NPT ½"
M20
8
A0017528
1 BK (black)
2 BU (blue)
3 WH (white)
4 BN (brown)
5 Sensor module LP
6 Sensor module HP
7 Ground terminal
8 Torque 0.4 Nm
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