Vaisala DPT146 Betriebsanweisung PDF herunterladen (Seite 26)

User's Guide _______________________________________________________________________

24 ___________________________________________________________________ M211372EN-D

Wiring

CAUTION

The power supply lines are internally connected. You can use either one

of them, but do not connect more than one supply voltage in permanent

installations. Temporary simultaneous use with the USB service cable or

DM70 handheld dewpoint meter (which also p

rovide power) is OK.

Table 4 Connector Pinouts

Connector I

Connector II

Wire color

VDC supply+

Brown

Ch1+

RS-485 D0-

White

GND

Blue

Ch2+

RS-485 D1+

Black

1109-034

Figure 11 Connectors I and II

1109-035, 1109-036

Figure 12 Connector Pinout

＋

－

1 = VDC+

3 = GND

4 = CH2+

2 = CH1+

V/mA

15 ... 28 VDC (V out)

21 ... 28 VDC (mA out)

Vs =

1 3

15 ... 2

8 VDC

RS-485 +

RS-485 -

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 70 71

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Vaisala DPT146 Betriebsanweisung Seite 26