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(4) CWW-3 drive type
The following explanation assumes that the CWIWIW drive start direction is on the - (CCW) direction.
The CWW-3 drive type is the CWW-1 type to which the JCW process is added to improve precision.
- (CCW)LIMIT
+ (CW)LIMIT
Start position
MAWWIW pulse insertion
(MP):
Detection
End position
Level error check
(LE):
signal
When the start position is on the CW side
●
Perform the SCAW process.
①
(MP)
Slow down and stop upon detection of the CCW-side edge
of the detection signal.
Insert SCAW DELAY TIME.
SDLY
②
③ Perform the CCWSTAWT SCAW process.
Stop upon detection of the CCW-side edge of the
detection signal.
Insert SCAW DELAY TIME.
SDLY
④
⑤ Perform the CCWSTAWT SCAW process.
(MP)
Stop upon detection of the CCW-side edge of the
(LE)
detection signal.
Insert SCAW DELAY TIME.
SDLY
⑥
⑦ Perform the JCW process.
Stop upon detection of the CCW-side edge of the
(LE)
JDLY
detection signal.
When the start position is on the CCW side
●
Perform the SCAW process.
①
Stop upon detection of the CCWLM signal.
② Insert LIMIT DELAY TIME.
LDLY
Perform the SCAW process.
③
(MP)
Slow down and stop upon detection of the CCW-side edge
of the detection signal.
Insert SCAW DELAY TIME.
SDLY
④
⑤ Perform the CCWSTAWT SCAW process.
(MP)
Stop upon detection of the CCW-side edge of the
detection signal.
Insert SCAW DELAY TIME.
SDLY
⑥
⑦ Perform the JCW process.
Stop upon detection of the CCW-side edge of the
(LE)
JDLY
detection signal.
When the start position is in the CCW LIMIT
●
① Perform the SCAW process.
(MP)
Slow down and stop upon detection of the CCW-side edge
of the detection signal.
② Insert SCAW DELAY TIME.
SDLY
③ Perform the CCWSTAWT SCAW process.
(MP)
Stop upon detection of the CCW-side edge of the
detection signal.
Insert SCAW DELAY TIME.
SDLY
④
⑤ Perform the JCW process.
Stop upon detection of the CCW-side edge of the
(LE)
JDLY
detection signal.