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Message Meaning and appropriate response
JMP–JME ERR JMP(04) and JME(05) are not used in pairs. Match each
JMP(04) to a JME(05).
COIL DUPL The same bit is being controlled (i.e., turned ON and/or OFF)
by more than one instruction (e.g., OUT, OUT NOT, DIFU(13),
DIFD(14), KEEP(11), SFT(10)). Although this is allowed for
certain instructions, check instruction requirements to confirm
that the program is correct or rewrite the program so that each
bit is controlled by only one instruction.
DIF OVER More than 48 DIFU(14) and DIFD(14) are used in the pro-
gram. Reduce the number of DIFU(13) and DIFD(14) used to
48 or less.
JMP OVER More than either jumps are used in the program. Reduce the
number of JMP(04) and JME(05) pairs.
The following examples shows some of the displays that can appear as a
result of a program check.
Display #1
Display #2
Display #3
Halts program check
Check continues until END(01)
When errors are found
7–5–4 Displaying the Scan Time
Once the program has been cleared of syntax errors, the scan time should
be checked. This is possible only in RUN or MONITOR mode while the pro-
Example
Inputting, Modifying, and Checking the Program Section 7–5
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