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Connecting the Auxiliary Analog Inputs
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Ground all unused inputs to
prevent incorrect readings.
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The assignment and configuration of each input is user-programmable via
the 9700 Power Meter's Digital Input modules. Refer to the 9700 Power
Meter User's Guide for details about these modules.
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The optional internal analog input board provides four double-ended
current or voltage inputs for direct interface with transducers or ther-
mocouples. The option ordered determines the configuration and maximum
input range for all four analog input pairs (refer to the label on the 9700
Power Meter for the AUX rating).
Connections to the analog inputs are made via a captured-wire type
terminal block on the 9700 Power Meter. Use a wire size that is appropriate
for your application and complies with local electrical codes. Assignment
and input scaling for each input is user-programmable via the Analog Input
modules. See the 9700 Power Meter User's Guide for details.
Typical AUX Input Connection
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AUX
Input
Option
Impedance
49.9 Ω
0 - 1mA
100 Ω
0 - 20mA
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0 - 1V
>= 50 kΩ
B
0 - 10V
>= 50 kΩ
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Overload Rating
50 mA continuous; 100 mA for 1
second non-recurring
35 mA continuous; 70 mA for 1
second non-recurring
20 VAC/VDC continuous; 40 VAC/VDC
for 1 second non-recurring
20 VAC/VDC continuous; 40 VAC/VDC
for 1 second non-recurring
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