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I/O and Control
The WX9 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 discusses the ASD control
methods and supported I/O functions.
The Terminal Board supports discrete and analog I/O functions and is shown in
Table 2
lists the names and the default settings of the input and output terminals of the Terminal
Board. See the section titled
terminal.
Note:
Set the Command Mode to Terminal Board to use the input control lines of the
Terminal Board for command input (Program Fundamental Standard Mode
Selection Command Mode Selection Terminal Board). Output lines of the
Terminal Board need not be selected to enable the output. However, output lines may
be set to a user-selected function.
Figure 20 on pg. 30
Default
Term.
Input/Output
Setting
Discrete Input
ST
Connect to CC
RES
to activate
F
(Sink mode)
R
Sink/Source
S1
Switching
S2
applies to
S3
discrete input
terminals only.
S4
RR
RX
Analog Input
II
VI
AM
Analog Output
FM
OUT1(C-A)
OUT2(C-A)
Switched
FLA
Output
FLB
FLC
FP
Pulsed Output
P24
DC Output
PP
CC
—
20
Terminal Descriptions on pg. 22
shows the typical connection diagram for the WX9 ASD system.
Table 2. Terminal Board Terminal Names and Functions.
(also see
WX9 ASD Terminal Board. on pg.
Standby — Multifunctional programmable discrete input. Activation required
for normal ASD operation.
Reset — Multifunctional programmable discrete input. Resets a faulted ASD.
Forward — Multifunctional programmable discrete input.
Reverse — Multifunctional programmable discrete input.
Preset Speed 1 — Multifunctional programmable discrete input.
Preset Speed 2 — Multifunctional programmable discrete input.
Preset Speed 3 — Multifunctional programmable discrete input.
Emergency Off — Multifunctional programmable discrete input.
RR — Multifunctional programmable analog input
(0.0 to 10 volt input — 0 to 80 Hz output).
RX — Multifunctional programmable analog input
(-10 to +10 VDC input — -80 to +80 Hz output).
II — Multifunctional programmable analog input (4 [0] to 20 mADC input —
0 to 80 Hz output).
VI — Multifunctional programmable analog input
(0 to 10 VDC input — 0 to 80 Hz output).
Produces an output voltage that is proportional to the magnitude of the
function assigned to this terminal.
Low Frequency — Programmable contact (N.O.).
Reach Frequency — Programmable contact (N.O.).
Fault relay (N.O.).
Fault relay (N.C.).
Fault relay (Common).
Frequency Pulse — an output pulse train that has a frequency based on the
output frequency of the ASD.
24 VDC @ 50 mA output.
PP — 10.0 VDC voltage source for the external potentiometer.
Return for analog and discrete input terminals.
for an expanded description of each
Default Function
Figure 6. on pg.
Circuit Config.
21)
Figure 10 on pg. 28
Figure 11 on pg. 28
Figure 12 on pg. 28
Figure 13 on pg. 28
Figure 18 on pg. 28
Figure 16 on pg. 28
Figure 19 on pg. 28
Figure 17 on pg. 28
Figure 14 on pg. 28
Figure 15 on pg. 28
DO NOT connect to
Earth Gnd.
WX9 ASD Installation and Operation Manual
21.
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