Sequencer Instructions
Chapter 15
157
Figure 15.5
SEQUENCER
OUTPUT Format
SEQUENCER OUTPUT
COUNTER ADDR:
030
CURRENT STEP:
000
SEQ LENGTH:
001
WORDS PER STEP:
1
FILE: 110-110
MASK: 010-010
030
(EN)
17
Numbers
shown are default values. Bold numbers must be replaced by userentered values. The number of default address digits initially
displayed (3 or 4) will depend on the size of the data table.
COUNTER ADDRESS
:
Address of the instruction in the accumulated value area of the data table.
CURRENT STEP
:
Position in sequencer table (accumulated value of counter).
SEQ LENGTH :
Number of steps (preset value of counter).
WORDS PER STEP
:
Width of sequencer table (number of columns).
FILE :
Starting address of sequencer table.
MASK :
Starting address of mask file.
OUTPUT WORDS :W
ords controlled by the instruction.
030
(DN)
15
OUTPUT
WORDS
1: 010
3: XXX
2: XXX
4: XXX
An example rung containing the Sequencer Output instruction is shown
in Figure 15.6. The following parameters have been entered into the
instruction:
Counter Address – 054
Current Step – 007
Sequencer Length – 009
Words per Step – 2
File – 600-610
Mask – 211-212
Output Words – 011, 013
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