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5.0 Electrical connection
The electrical connection for the power supply is made in the terminal compartment of the signal
converter - 18-35VDC.
In case of installation in hazardous areas, only certified intrinsically safe equipment may be
connected to the TDR-1000.
1. Connector:
Terminals:
pCable entries:
Signal cable shielding:
Power supply:
1. Remove the screw P and lift off the connector from the signal converter.
2. Put a screwdriver in F and separate N from R.
3. Connect the current loop to terminal 1 and 2 (there's no polarity to respect). Use ferrules to protect cable
ends. The terminal 3 and E remain non-connected.
4. Re-assemble N and R.
5. Put the seal in place, connect R to the signal converter tighten and screw P.
The terminal E is not connected with the signal connector housing or with the flange system of the instrument.
For standard and Ex applications only the intrinsically safe 2-wire loop must be connected to the terminals 1
and 2. The terminal E as well as terminal 3 remains non-connected.
3
Installation, Operation & Maintenance Manual
3 poles + ground. Wire cross-section max 0.059m
M25x1.5 (PG11). Standard cable gland: cable clamping area = 0.315 - 0.39 in
(8-10 mm). IP65
No shielding needed.
P
2
F
N
R
2
(1.5 mm
) ≈(AWG 16).
E
®
BINDICATOR
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