CHAPTER 3
INSTALLATION
3-3
DT-203P, DT-105P and DT-110P display series
3.5
Characteristics of temperature & humidity probe. (Option)
Relative humidity
Resolution .......................................... Typical 1%.
Accuracy............................................. ±3,5% between 30% and 70%.
Warm-up time .................................... 4s.
Temperature
Resolution .......................................... Typical 0,1°C.
Accuracy ............................................ ±0,5°C at 25°C.
Warm-up time .................................... 20s.
Range .................................................. From
–20°C to +80°C.
3.6
Wiring of temperature & humidity probe (Option)
The temperature & humidity probe is delivered with 5m cable and a Sub-D9 connector ready
to use.
The wiring of connector probe is shown in the diagram (cable connector).
1
2
4
5
6
3
7
DB9
Free plug
0V (White)
+5V (Brown)
SCK (Green)
Data (Yellow)
9
8
3.7
Connecting displays with protection IP54 or IP65
In displays with IP54 or IP65 protection, the following instructions must be followed
1) The connectors must be used with the cover placed.
2) The covers must be the ones supplied with the display, which are provided of gland seal for
cables and seal between the display and the box.
3) The user must take care that the union is good condition and the contact Surface is clean,
4) In the male connector, the white silicone joint must be placed before connecting the female
connector
5) The user must verify that the gland is pressed and the connector is screwed
3.8
Reset button
If the computer has been out of power for many days, the battery may be discharged. If, when
the power is restored, the battery is not fully charged, it may be necessary to force the device to be
reset. The reset button is next to the power connector. The display must be connected to the power
supply for the reset to be operative.
