Unitronics V200-18-E4XB Manual page 5

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Analog I/O Power Supplies
Use a 24VDC power supply for all analog input and output modes.
1. Connect the "positive" cable to the "VA" terminal, and the "negative" to the "0V" terminal.
In the event of voltage fluctuations or non-conformity to voltage power supply specifications, connect the
device to a regulated power supply.
Since the analog I/O power supply is isolated, the controller's 24VDC power supply may also be used to
power the analog I/Os.
The 24VDC power supply must be turned on and off simultaneously with the controller's
power supply.
Unitronics
V 2 0 0 - 1 8 - E 4 X B
pnp (source)
S n a p - i n I / O M o d u l e
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