Campbell-scientific 0871LH1 Freezing Rain Sensor Manual de usuario descargar pdf (Pagina 30)

3 Input/Output Specification

3.1

Input/Output Pin Designations

Table 10. Input/Output Pin Designations

Signal Name

Connector

Input or

Output

Definition Current

Wire

Gauge

24VDC A Input 18-29.5 VDC**

1.5 Amp Max at

28VDC

24VDC Return B Input ---- ---- 20

Case Ground C Input ---- ---- 20

RS-422 High D Output Per RS-422 Spec Per RS-422 Spec 20-24

RS-422 Low E Output Per RS-422 Spec Per RS-422 Spec 20-24

Ice F Output Ground Active (1.5V Max) 0.5 - 50 mA 20-24

Open Inactive

Status G Output Ground Inactive (1.5V Max) 0.5 - 50 mA 20-24

Open Active

**Ice will be correctly detected between these voltages. Proper probe de-icing, however, is only

guaranteed when input voltage is 24VDC or greater.

1 2 ... 25 26 27 28 29 30 31

Sin comentarios

Campbell-scientific 0871LH1 Freezing Rain Sensor Manual de usuario Pagina 30