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2
Supported switching arrangements:
GK-403 or
CR800/CR1000
12V
GROUND
RESET
CLOCK
COM HI 1
COM LO 1
COM HI 2
COM LO 2
AG
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.
Multiplexer/Terminal Board
Microcontroller
12V
GROUND
Relay
Control
RESET
CLOCK
Figure 1 - 16 Channel Switching Block Diagram
31H
32H
Sensor #16
32L
31L
S16
Sensor
Shield
1H
2H
Sensor #1
2L
1L
S1
Sensor
Shield
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