Campbell SAT ARGOS Manual de usuario Pagina 259

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ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048
Page 251
Connecting To COM3
Where to Connect COM3 Port
Type
Lines Required
Rev A ZENO
®
-3200 Rev D ZENO
®
-3200
Receive Data COM3 Pin 2
Transmit Data COM3 Pin 3
DCD COM3 Pin 1
Ground COM3 Pin 5
RS232,
RS232H
Ring Indicator
(when a Modem is
used)
Configured To Digital Input
(18 to 23)
292
COM3 Pin 9
A
AUX Serial Port Pin 23 AUX Serial Port Pin 23 and
shorted to AUX Serial Port
Pin 21
B
AUX Serial Port Pin 22 AUX Serial Port Pin 22 and
shorted to AUX Serial Port
Pin 20
DCD
294
AUX Serial Port Pin 8 COM3 Pin 1
RS485
293
Ground AUX Serial Port Pin 12
Y AUX Serial Port Pin 21
Z AUX Serial Port Pin 20
DCD
296
AUX Serial Port Pin 8 COM3 Pin 1
RS422
295
Ground AUX Serial Port Pin 12
292
For more information about connecting a modem, refer to Section 6.4.
293
For a SDI-12 sensor, you also need to connect a 10-k resistor between Auxiliary Port Pin 22 and DIGITAL
INPUTS AND OUTPUTS terminal strip pin labeled RTN.
294
DCD is not part of the formal definition of RS485, but the ZENO
®
-3200 requires it to be asserted for User
Interface communication.
295
Consult Coastal Environmental Systems before using RS422 on a Rev A ZENO
®
-3200.
296
DCD is not part of the formal definition of RS422, but the ZENO
®
-3200 requires it to be asserted for User
Interface communication.
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