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7 POSITIONING DEDICATED SIGNALS
7.5 Special relays/Special registers
7.5.1 Special relays
Special relays are internal relays whose applications are fixed in the Motion controller.
For this reason, they cannot be used in the same way as the normal internal relays by
the Motion SFC programs.
However, they can be turned ON/OFF as needed in order to control the Motion
controller.
Explanation of headings used in the table on the next page.
Item
No.
• Indicates the device No. of the special relay.
Name
• Indicates the name of the special relay.
Meaning
• Indicates the nature of the special relay.
Details
• Indicates detailed information about the nature of the special relay.
• Indicates whether the relay is set by the system or user, and, if it is set by system, when
setting is performed.
<Set by>
S: Set by system (Motion controller)
U: Set by user (Motion SFC program or test operation using MT Developer2)
S/U: Set by both system (Motion controller) and user
Set by
<When set>
(When set)
Main process: Set during each main processing (free time processing of the CPU)
Initial process: Set only during initial processing (when power supply is turned ON, or
Status change : Set only when there is a change in status
Error : Set when error is occurred.
Request : Set only when there is a user request (Special relay, etc.)
Operation cycle : Set during each operation cycle of the Motion controller.
Explanation
Indicated only if setting is done by system (Motion controller).
when executed the reset)
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