Omron E5ZN-DRT Operation Manual page 82

Ladder Programming Examples
Programming Example
A20011
000000
First Scan
Flag ON
000000
000003
Execution
condition
000001
000007
000002
000010
000003
000013
322100
000018
T0000 000004 330000
000020
000027
Enable Bits turn ON, and the upper limit/lower limit values are refreshed.
After refreshing, the MV upper limit/lower limit monitor values (CIO 3326,
CIO 3327) are compared with the set values, and if they match, the corre-
sponding Setting Area 0/1 Flag and Output Enable Bits turn OFF.
MOV(021)
#0050
D1000
MOV(02 1 )
#0020
D1001
MOV(021)
D1000
3218
MOV(021)
D1001
3219
ASL(025)
0000
SE T
322000
ASL(025)
0000
SE T
320000
ASL(025)
0000
= = S ET
D1000 D1001 322100
3326 3327
ASL(025)
Compares the contents set in 0000
CIO 3326 and CIO 3327 (MV
upper/lower limit monitor).
TIM
0000
#004 0
RSET
322100
Unit 0 com-
municating
RSET
normally
320000
RSET
322000
ASL(025)
0000
END(001)
Sets 0050 in D1000.
Sets 0020 in D1001.
Sets D1000 (0050) in CIO 3218.
(Moves to the word in which MV upper limit value is allocated.)
Sets D1001(0020) in CIO 3219.
(Moves to the word in which MV lower limit value is allocated.)
Shifts the contents of CIO 0000 one bit
to the left. (Turns ON CIO 000001.)
Turns ON the Setting Area 0/1 Flag.
Shifts the contents of CIO 0000 one
bit to the left. (Turns ON CIO 000002.)
Turns ON the Output Enable Bits.
Shifts the contents of CIO 0000 one
bit to the left. (Turns ON CIO 000003.)
Software reset of Temperature Controller
unit number 1.
Shifts the contents of CIO 0000 one bit
to the left. (Turns ON CIO 000004.)
After software reset, sets timer for 4 s.
Turns OFF the Software Reset Flag for
Temperature Controller unit number 1.
Turns OFF the Output Enable Bits.
Turns OFF Setting Area 0/1 Flag.
Section 4-5
67