5-17
■
G.SOAK (Guarantee soak)
G.SOAK on/off state, type and G.SOAK width is set by the segment. G.SOAK are
of three types: segment start point, segment end point and the entire segment.
G.SOAK time is set using the variable parameter
PA46
setting. Any offset
between SP and PV triggers a G.SOAK wait which narrows the distance between
SP and PV to guarantee the segment execution time. G.SOAK operates not only
on SOAK but also on RAMP segments.
Note, however, that in FAST mode a G.SOAK setting does not trigger a G.SOAK
wait.
G.SOAK can be cleared with an external switch input. The following types of
clearing conditions can be selected using setup data setting
C71
to
C74
.
(1) G.SOAK is cleared when an external switch contact is set to on or when PV
meets the G.SOAK clearing conditions.
(2) G.SOAK is cleared when an external switch contact is set to on and PV meets
the G.SOAK clearing conditions.
• G.SOAK at start of segment
PV and SP are compared at the beginning of the segment. The segment starts
when the absolute value of the difference continues beyond the G.SOAK time
and becomes narrower than G.SOAK width.
A G.SOAK wait state continues until these conditions are met which is
announced by the flashing of the linear LED on the left of the profile display.
The operating condition is the same as HOLD at the beginning of a segment
(time = 0).
Time
SP
G.SOAK
width
G.SOAK
width
SP
PV
Segment
setting time
Segment
executing time
G.SOAK wait time
Chapter 5. FUNCTIONS
