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17
Installation and Connections
W7B ASD Installation & Operation Manual
I/O and Control
The ASD can be controlled by several input types
and combinations thereof, as well as operate within
a wide range of output frequency and voltage
levels. This section describes the ASD control
methods and supported I/O functions. Expanded
descriptions of the I/O terminals may be found on
The Terminal Board (P/N 48570) supports discrete
and analog I/O functions.
The Terminal Board is shown in
and lists the names, the default settings
(where applicable), and the descriptions of the input
and output terminals.
shows the typical connection
diagram for the W7B ASD system.
Table 7. Terminal Board Terminal Names and Functions.
Terminal
Name
Input/Output
Terminal Function
(Default Setting if Programmable)
Circuit Config.
ST
Discrete Input
Connect to CC to
activate (Sink
mode)
Standby
— Multifunctional programmable discrete input (see
for additional information on this
terminal).
RES
Reset
— Multifunctional programmable discrete input.
F
Forward
— Multifunctional programmable discrete input.
R
Reverse
— Multifunctional programmable discrete input.
S1
Preset Speed Bit 1
— Multifunctional programmable discrete input.
S2
Preset Speed Bit 2
— Multifunctional programmable discrete input.
S3
Transformer Thermal Switch Monitor
— Multifunctional
programmable discrete input.
S4
Emergency Off
— Multifunctional programmable discrete input.
RR
Analog Input
Frequency Mode 1
— Multifunction programmable analog input
(0.0 to 10 volt input — 0 to 80 Hz output).
RX
Unassigned
— Multifunctional programmable analog input
(-10 to +10 VDC input).
II
Frequency Mode 2
— Multifunctional programmable analog input (4
[0] to 20 mADC input) (see
for the location of the II
terminal).
VI
Frequency Mode 2
— Multifunctional programmable analog input (0
to 10 VDC input).
P24
DC Output
24 VDC at 200 mA output.
PP
PP
— 10.0 VDC voltage source for the external potentiometer.
OUT1
Discrete Output
Low Speed
— Multifunctional programmable discrete output.
OUT2
Acc/Dec Complete
— Multifunctional programmable discrete output.
FP
Pulsed Output
Output Frequency
— an output pulse train that has a frequency
which is based on the output frequency of the ASD.
AM
Analog Output
Output Current
— Produces an output current that is proportional to
the magnitude of the function assigned to this terminal.
FM
Output Frequency
— Produces an output current that is proportional
to the magnitude of the function assigned to this terminal.
FLA
Switched Output
Fault All
— Normally open contact (N.O.).
FLB
Fault All
— Normally closed contact (N.C.).
FLC
Fault All
— Common.
CC
—
Control common; return for all terminal board signals —
DO NOT
connect to Earth Ground.
Summary of Contents for W7 DN-57442-006
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