Phase Technologies Essential Series - Page 13

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Table 6 - Control Terminal Ratings and Descriptions
Terminal
Description
Rating
Comments
AUX1
Auxiliary Input 1
Dry contact
type
Pullup
Voltage
< 5 volts,
galvanically
isolated
Digital input. Commonly used for
RUN/STOP command. Controlled by
parameters AUX1 SELECT and
AUX2 SELECT.
AUX2
Auxiliary Input 2
COM
Common
Common for AUX terminals.
The following terminals are only available with upgraded I/O board.
5VO
0-5 VDC Output
0-5 VDC
5 VDC supply to provide power to a
potentiometer. Refer to Table 14 for
details. See Figure 9 for connection
diagram.
VIN
0-5 VDC Input
Analog input for motor speed control.
Speed is relative to scale of signal
from 0 Hz to Max Frequency, set in
Adjustable Parameter menu (default
60 Hz). Connect the wiper terminal of
a potentiometer to this terminal as
shown in Figure 9.
COM
Common
Common for 0-5 VDC.
I+
4-20 mA positive
4-20 mA
Analog transducer connection for
analog constant pressure or
proportional motor speed control from
a current source. Refer to Table 14
for details. See Figure 8 for a
connection diagram.
I-
4-20 mA negative
4-20 mA
CAUTION! Electrostatic discharge (ESD) can damage electronic components.
Discharge ESD prior to touching the board or to making connections. To discharge ESD,
touch your hand to unpainted metal on the enclosure.