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Lamps, Touch Switches, Numeral Setting
Section 5-3
Application Example to Make the Lamp Light or Flash
This example gives a procedure to control the bits to move a robot arm and turning
the lamps ON and OFF.
S Support tool settings
Allocate the memory as shown below by using the support tool.
Lamp #0: Word 000200 (output bit to raise robot arm), guide display message
“UP”
Lamp #1: Word 000201 (output bit to lower robot arm), guide display message
“DOWN”
Lamp #2: Word 000202 (output bit to rotate robot arm counterclockwise),
guide display message “C/CLOCK”
Lamp #3: Word 000203 (output bit to rotate robot arm clockwise), guide dis-
play message “CLOCK”
Lamp #4: Word 000204 (output bit to clamp rotate robot arm), guide display
message “CLAMP”
Lamp #5: Word 000205 (output bit to unclamp rotate robot arm), guide display
message “UNCLAMP”
Contents registered to the screen: Lamp #0 to #5
Line 1 Process 3
Conveyor Loading Robot Arm
Raise: Lamp#0
Lower: Lamp#1
Counterclockwise: Lamp#2
Clockwise: Lamp#3
Clamp: Lamp#4
Unclamp: Lamp#5
C/
CLOCK
CLOCK
DOWN
UP
CLAMP
UNCLAMP
S PC ladder program
No PC ladder program is required to control the NT20S. Only a program to con-
trol the robot arm movements is required.
S NT20S operation
When the ladder program to control the robot arm is executed, the lamps on the
NT20S screen turn ON and OFF in synchronization with the robot arm move-
ment.
For example, lamp #0 lights when the robot arm moves up and goes out when it
stops moving up.
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