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Sequence Output Instructions Section 3-3
Example When CIO 0.00 goes ON in the following example, CIO 100.00 is turned ON.
CIO 100.00 remains ON until CIO 0.01 goes ON.
When CIO 0.02 goes ON and CIO 0.03 goes OFF in the following example,
CIO 100.01 is turned ON. CIO 100.01 remains ON until CIO 0.04 or CIO 0.05
goes ON.
Coding
Note KEEP(011) is input in different orders on in ladder and mnemonic form. In lad-
der form, input the set input, KEEP(011), and then the reset input. In mne-
monic form, input the set input, the reset input, and then KEEP(011).
3-3-4 DIFFERENTIATE UP/DOWN: DIFU(013) and DIFD(014)
Purpose DIFU(013) turns the designated bit ON for one cycle when the execution con-
dition goes from OFF to ON (rising edge).
DIFD(014) turns the designated bit ON for one cycle when the execution con-
dition goes from ON to OFF (falling edge).
Ladder Symbols
Address Instruction Operand
000100 LD 0.00
000101 LD 0.01
000102 KEEP (011) 100.00
000103 LD 0.02
000104 AND NOT 0.03
000105 LD 0.04
000106 OR 0.05
000107 KEEP (011) 100.01
0.00
0.01
0.02
0.04
0.05
0.03
100.00
100.01
DIFU(013)
B
DIFD(014)
B
B: Bit
B: Bit
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