1. Continuous alternating output ALT
1.1. Instruction Description#
When the specified operand changes from OFF to ON, the instruction causes the specified operand to alternate continuously between 1 (ON) and 0 (OFF).
1.2. The valid operands of the instruction#
| input/output | data type | operands | description |
|---|---|---|---|
| OUT | ON/OFF | Y/M/S, word to Bit(D/V/Z), local variable(LB) | output |
1.3. Example#
Instruction table:
NETWORK 000
LD X000
ALT Y000 //Y000 alternates between 0 and 1, with a period equal to the current scanning period
图1 ALT
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