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8-7. Guarantee soak (GUA)
When the operation switches from ramp step to flat step, if PV deviates from the designated guarantee soak zone, the next
step does not start. This function guarantees a sufficient duration during which the flat step is executed.
(1) When OFF
Even when PV has yet to reach SV1, the operation switches to step 2 after the step 1 duration has elapsed.
(2) When guarantee soak zone is set
1) When the discrepancy between SV ramp and PV is small
Only when PV falls within the guarantee soak zone, the operation switches to step 2 after the step 1 duration has elapsed.
2) When the discrepancy between SV ramp and PV is large
When PV has yet to reach the guarantee soak zone after the step 1 duration has elapsed, guarantee soak (GUA)
is executed until the PV reaches the zone.
Note: Guarantee soak (GUA) is executed even when step 1 is flat (SSV = SV1), as well as when step duration is set to
00:00 under certain required conditions.
STP1 STP2
SV1/SV2
SSV
STP1 STP2
SV1/SV2
SSV
Guarantee soak zone
STP1 STP2
SV1/SV2
SSV
Guarantee soak zone
GUA
STP2 start
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