Campbell AVW200 series Bedienerhandbuch PDF herunterladen (Seite 35)

27

Supported switching arrangements:

Relay

Control

Microcontroller

12V

GROUND

RESET

CLOCK

COM HI 1

COM LO 1

CR800/CR1000

Sensor #1

12V

GROUND

RESET

CLOCK

Multiplexer/Terminal Board

AG

Sensor

Shield

COM HI 2

COM LO 2

Sensor #16

Sensor

Shield

1H

2H

1L

2L

S1

31H

32H

31L

32L

S16

Figure 1 - 16 Channel Switching Block Diagram

The 16 channel 4 wire switching configuration is typically used to multiplex 4 wire

sensors such as resistance strain gage load cells. It is also used to switch connections for

instruments which have more than one sensor integral to them, such as vibrating wire

pressure transducers with an integral thermistor for measuring temperature.

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