YOKOGAWA UT Advanced UT32A, Руководство пользователя

Страница: 139 / 340

9-4
IM 05P01D31-01EN
9.3 Forcing SP to Track PV (PV Tracking)
Description
PV tracking function is used to prevent abrupt PV changes.
With PV tracking, SP is first aligned with PV and then changed to its original SP at the
SP ramp rate.
► SP ramp-rate setting function: 9.2 Changing SP at a Fixed Rate (SP Ramp-Rate Setting
Function)
PV tracking function works when:
(1) Power is turned on or has recovered from a failure,
(2) SP number (SPNO) is changed,
(3) Operation mode is switched from STOP to RUN,
(4) Operation mode is switched from MAN to AUTO
PV tracking enabled
MAN AUTO MAN AUTO
PV tracking disabled
PV
SP
PV
SP
Time Time
Mode switch Mode switch
Follows SP ramp rate
(set using UPR or DNR)
Setting Details
Parameter
symbol
Name
Display
level
Setting range Menu symbol
PVT PV tracking selection STD OFF, ON SPS