Vaisala PTB210 SERIES Uživatelská příručka stáhnout pdf (Strana 14)

User's Guide ______________________________________________________________________

12 __________________________________________________________________ M210669EN-D

RS232C/TTL

Table 3 Connections of the PTB210 Barometer with

RS232C/TTL Interface

Wire color Si

nal

Gre

(

with RS232C

)

Green TX

(

with RS232C

)

Blue Groun

volta

(

5 ... 28 VDC

)

Brown RXD

(

TTL level

)

White TXD

(

TTL level

)

Yellow External power control

(

TTL level: 1 = off

0 = on

)

NOTE

The two output protocols cannot be used simultaneously. Connect

either RX/TX or RXD/TXD wires. It is recommended to isolate the

free wire ends.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 31 32

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Vaisala PTB210 SERIES Uživatelská příručka Strana 14