Sequencer Instructions
Chapter 15
156
Figure 15.4
Masking
T
ransferred Data
0
Sequencer
W
ord
1 0 1 1 0 1 0
1
Mask Word
0 0 1 1 0 0 1
1
Output W
ord prior to
Sequencer Operations
1 1 0 1 0 0 0
0
Output W
ord after
Sequencer Operations
1 1 1 1 0 0 0
Output instruction
Key sequence [SEQ] 0
Order of operation is increment then transfer
Counter is indexed by the instruction
Unused bits in output words can be masked out
requires 5-8 words of user program, depending on the number of output
words.
WARNING: The counter address for the Sequencer Output
instruction should be reserved for that instruction. Do not
manipulate the counter accumulated or preset values.
Inadvertent changes to these values could result in unpredictable
or hazardous machine operation or a run-time error. Damage to
equipment and/or personal injury could result.
To program a Sequencer Output instruction in the ladder diagram mode,
press the key sequence [SEQ] 0. A display represented by Figure 15.5 will
appear. It shows the format of the instruction with definitions.
15.1.4
Instruction
Overview
15.1.5
Programming the Sequencer
Output Instruction
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