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Electronics and terminal
compartment
LEVEL TRANSMITTER 8136 • 4 ... 20 mA/HART - two-wire
Information:
Solid cores as well as flexible cores with wire end sleeves are insert-
ed directly into the terminal openings. In case of flexible cores without
end sleeves, press the terminal from above with a small screwdriver,
the terminal opening is then free. When the screwdriver is released,
the terminal closes again.
You can find further information on the max. wire cross-section under
"Technical data/Electromechanical data"
7. Check the hold of the wires in the terminals by lightly pulling on
them
8. Connect the screen to the internal ground terminal, connect the
outer ground terminal to potential equalisation
9. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
10. Reinsert the display and adjustment module, if one was installed
11. Screw the housing lid back on
The electrical connection is finished.
5.3
Wiring plan
The following illustration applies to the non-Ex as well as to the Ex-ia
version.
( )
1
Fig. 22: Electronics and terminal compartment, single chamber housing
1 Voltage supply, signal output
2
For display and adjustment module or interface adapter
3
For external display and adjustment unit
4
Ground terminal for connection of the cable screen
5.4
Switch-on phase
After connecting the instrument to power supply or after a voltage
recurrence, the instrument carries out a self-check for approx. 30 s:
•
Internal check of the electronics
•
Indication of the instrument type, hardware and software version,
measurement loop name on the display or PC
•
Indication of the status message "F 105 Determine measured
value" on the display or PC
•
The output signal jumps to the set fault current
4...20mA
+
1
2
5
6 7 8
(-)
5 Connecting to power supply
2
3
4
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