Vaisala HUMICAP HMT310 Guia do Utilizador Página 33

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Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 33
Connections
When the HMT310 leaves the factory, the measurement ranges, output
scaling and quantities have already been set according to the customer
order. The unit is calibrated at the factory and ready for use.
The transmitter is delivered with either a screw terminal connector or
with a detachable 5m cable with eight wires for serial port, analog
outputs and 10 … 35 VDC power supply (requirements vary
dependending on the operating environment, functions and output type).
The wiring is described in this section. For power supply requirements,
see section Power Supply Requirements on page 34.
Cable Wiring
0507-044, 0507-045
Figure 14 8-Pin Connector (Left) and Screw Terminal
Connector (Right)
Pin
Wire
Serial Signal RS-232C
Analog Signal
1
White
Data out TX
-
2
Brown
-
Ch 1 - / Ch 2 -
3
Green
-
Ch 2 +
4
Yellow
-
Ch 1 +
5
Grey
Supply - / RS-232 GND
Supply -
6
Pink
Supply +
Supply +
7
Blue
Data in RX
-
8
Red
Not connected
Not connected
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