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(c) Operation example of out-of-range output
The following figure shows the timing to enable Lower limit value setting (Coincidence output 1) (1000) and
Upper limit value setting (Coincidence output 1) (2000) and an operation example of when the present value
reaches out of the setting range (1000 to 2000) for the case where out-of-range output is set as the comparison
condition. Note that Coincidence output 1 is assigned to CH1.
Controlled by the high-speed counter module
Controlled by the program
CH1 Coincidence output
enable command (RY20)
ON
ON
Setting change request
(Coincidence output 1) (RY14)
1)
OFF
Setting change completed
(Coincidence output 1) (RX14)
OFF
Lower limit value setting
(Coincidence output 1)
(RWw0 to RWw1)
Upper limit value setting
(Coincidence output 1)
(RWw2 to RWw3)
Coincidence output 1 (RX10)
3)
OFF
ON
0
1000
0
2000
ON
OFF
2)
5)
6)
5)
6)
ON
Coincidence output 1 terminal (EQU1)
OFF
CH1 Present value (RWr10 to RWr11)
0
1
999 1000
2000 2001
ON
CH1 Count enable command (RY24)
No.
OFF
4)
Description
Start comparison of the present value and values set to Lower limit value setting (Coincidence output 1) (RWw0 to RWw1) and
Upper limit value setting (Coincidence output 1) (RWw2 to RWw3) in the following order.
(1) Write 1000 into Lower limit value setting (Coincidence output 1) (RWw0 to RWw1).
(2) Write 2000 into Upper limit value setting (Coincidence output 1) (RWw2 to RWw3).
1)
(3) Turn off then on Setting change request (Coincidence output 1) (RY14).
(4) The values set for Lower limit value setting (Coincidence output 1) (RWw0 to RWw1) and Upper limit value setting (Coincidence
output 1) (RWw2 to RWw3) are enabled when Setting change completed (Coincidence output 1) (RX14) turns on. After
confirming that Setting change completed (Coincidence output 1) (RX14) turns on, turn off Setting change request
(Coincidence output 1) (RY14).
2)
CH1 Present value (RWr10 to RWr11) becomes less than Lower limit value setting (Coincidence output 1) (RWw0 to RWw1) and
Coincidence output 1 (RX10) turns on since the present value is outside the specified range.
If performing coincidence output from the coincidence output 1 terminal (EQU1), turn on CH1 Coincidence output enable command
3)
(RY20). In this case, the coincidence output 1 terminal (EQU1) turns on immediately since Coincidence output 1 (RX10) is already
on.
4)
5)
Turn off then on CH1 Count enable command (RY24) to start counting.
When CH1 Present value (RWr10 to RWr11) is Lower limit value setting (Coincidence output 1) (RWw0 to RWw1) or more and the
present value is within the specified range, Coincidence output 1 (RX10) and the coincidence output 1 terminal (EQU1) turn off.
When CH1 Present value (RWr10 to RWr11) is more than Upper limit value setting (Coincidence output 1) (RWw2 to RWw3) and
6)
the present value is outside the specified range, Coincidence output 1 (RX10) and the coincidence output 1 terminal (EQU1) turn
on.
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