Applications 5-3
Series
505 High Speed Counter
and Encoder Module User
’
s Manual
5.1.2
Solution Connect
encoder signals A and B to inputs A and B of the HSC. See Figure
5–2. Limit switch 1 (sprayer home) drives channel 1 Reset. Channel 1
outputs 1 and 2 are wire ORed and drive the sprayer enable. Select 1X
Quadrature mode for channel 1, setup channel 1 output 1 to turn off when
count
preset,
output 2 to turn on when count
preset. Presets 1 and 2
are loaded with the Start Sprayer and Stop Sprayer counts, respectively
.
The Start Sprayer count = 500 X Distance (inches) from LS1 to Start
Sprayer position. The Stop Sprayer count = 500 X Distance (inches) from
LS1 to Stop Sprayer position.
Encoder A
Encoder B
LS1
Input A
Input B
Reset
Output 1
Output 2
Spray
Enable
HSC
Channel 1
Figure 5-2
HSC Connections
As the sprayer moves up and down, the channel 1 outputs and the sprayer
enable signal levels produce the waveform shown in Figure 5-3.
OFF ON OFF ON OFF
LS1 P1 P2 LS2 P2 P1 LS1
T
ravels Up
T
ravels Down
Sprayer
Travel
OUTPUT
1
OUTPUT
2
Sprayer Enable
Figure 5-3 Wavefor
m Patter
n