Omron CJ - INSTRUCTIONS Reference Manual page 1120

3. Instructions
• Do not reverse the order of LOOP and LEND.
Incorrect:
LEND(810)
:
:
LOOP(809)
• Conditional block branching can be used within a loop, but the entire branch operation must be within
the loop.
Correct:
LOOP(809)
IF(802)
IF(802)
IEND(804)
IEND(804)
LEND(810)
• NOP processing will be performed if LOOP(809) is not executed.
Example Programming
• Operation of LOOP(809)
When CIO 0.00 is ON in the following example, the block program is executed. After "A" is executed,
"B" and the IORF(184) after it will be executed repeatedly until CIO 0.01 is ON, at which time C will be
executed and the block program will end.
0.00
1082
Incorrect:
LOOP(809)
IF(802)
IF(802)
IEND(804)
LEND(810)
IEND(804)
Execution Execution Execution
condition condition condition
ON OFF OFF
0
0.01
Repeating
Coding
Address Instruction
000220 LD
000201 BPRG
.
A
.
000210 LOOP
.
B
.
000220 IORF
000221 LEND
.
C
.
000220 BEND
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Operand
0.00
0
.
.
2
.
.
.
.
0000
0000
0.01
.
.
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