Mettler Toledo M400/2(X)H Especificações Página 21

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Transmitter M400/2(X)H, M400G/2XH 21
© 03 / 2014 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400/2(X)H, M400G/2XH
Printed in Switzerland 30 031 683
4.2 Connection of power supply
All connections to the transmitter are made on the rear panel of all models.
a
Be sure power to all wires is turned off before proceeding with the installation.
A two-terminal connector on the rear panel of all M400 models is provided for power connec-
tion. All M400 models are designed to operate from a 14–30 VDC power source. Refer to
specifications for power requirements and ratings and size power wiring accordingly (AWG 16 –
24, wire cross-section 0.2 mm
2
to 1.5 mm
2
).
The terminal block for power connections is labeled ”Power” on the rear panel of the transmitter.
One terminal is labeled N for the Neutral wire and the other + L for the Line (or Load) wire.
The terminals are suitable for single wires and flexible leads 0.2 mm
2
to 2.5 mm
2
(AWG 16 –
24). There is no earth ground terminal on the transmitter. For this reason the internal power wir-
ing within the transmitter is double insulated and the product label designates this using the d
symbol.
4.2.1 Housing (wall mount)
2
1
1: TB1 – Input and Output Analog Signal
2: TB2 – Sensor Signal
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