Figure 10. Quadrature Input Module Default Settings
Figure 9. Quadrature / Universal
Input Module
2.5 Quadrature Input Module
The Quadrature / Universal Input Module has two operational modes: Quadrature mode and
Standard mode. Quadrature Mode is selected by positioning JP1 and JP2 on pins 1 and 2.
Standard Mode is selected by placing JP1 and JP2 on pins 2 and 3 (see Figure 10 for details).
The Quadrature mode supports a wide range of encoders including the Simpson SE series.
While in Standard Mode, this module works similarly to the Standard Input module. In addition
to the quadrature signal, the quadrature card allows a technician to select a rising or falling
edge trigger for the count input signal. The technician is also able to determine the polarity of
the user input.
The Input module also provides for a User input signal. On the S660, this input serves as a
Count Enable/Disable.
NOTE: If B channel is not going to be used, use the default switch settings for SW1 positions 1
through 3. Default settings are provided in Table 3.
In both modes, the state of the user input signal can be selected as active high or active low.
DIP switch SW1 configures the counter to match the specifications of the accompanying
sensor. When shipped from the factory, the counter is set for X1 quadrature, as shown in
Figure 10 and Table 3:
Denotes module position 1 at rear of counter
Primary Input
Or Quadrature A
Inhibit Active Low Stops Counting
Secondary Input
Or Quadrature B
A INPUT
COMMON
USER
INPUT
B INPUT
IINPUT
COMMON
Dip Switch
Legend
= ON
= OFF
B Bias Off = Hi On = Lo
B Freq Off = Hi On = Lo
B Off = Sink On = Source
A Bias Off = Hi On = Lo
A Freq Off = Hi On = Lo
A Off = Sink On = Source
B Edge Off = On = A Edge Off = On = User pol Off = On = Quadr Off = X4 On = X1
10
7
1 2 3 4 5 6
9
8
10
SW1
Dip Switch:
Shown in
Quadrature Mode
(Factory Default)
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