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YOKOGAWA digitalYEWFLO Series User Manual

YOKOGAWA digitalYEWFLO Series
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<APPENDIX 8. PID BLOCK>
A8-3
IM 01F06F00-01EN
Index
Parameter Name
Default
(factory setting)
Write Valid Range Description
36 ROUT_OUT 0 Remote control output value
37 TRK_SCALE 100
0
1342 (%)
1
MAN Upper and lower scale limits used to convert the output
tracking value (TRK_VAL) to non-dimensional.
38 TRK_IN_D 0 Switch for output tracking. Read APPENDIX 8.12 “External-
output Tracking” for details.
39 TRK_VAL 0 Output tracking value (TRK_VAL)
When MODE_BLK.actual = LO, the value scaled from the
TRK_VAL value is set in OUT.
40 FF_VAL 0 Feedforward input value.
The FF_VAL value is scaled to a value with the same scale
as for OUT, multiplied by the FF_GAIN value, and then
added to the output of the PID computation.
41 FF_SCALE 100
0
1342 (%)
1
MAN Scale limits used for converting the FF_VAL value to a non-
dimensional value.
42 FF_GAIN 0 MAN Gain for FF_VAL
43 UPDATE_EVT Same as that for an AI block.
44 BLOCK_ALM Same as that for an AI block.
45 ALARM_SUM Enable Same as that for an AI block.
46 ACK_OPTION 0 Same as that for an AI block.
47 ALARM_HYS 0.5% 0 to 50% Hysteresis for alarm detection and resetting to prevent each
alarm from occurring and recovering repeatedly within a
short time.
48 HI_HI_PRI 0 0 to 15 Priority order of HI_HI_ALM alarm
49 HI_HI_LIM 1.#INF PV_SCALE Setting for HI_HI_ALM alarm
50 HI_PRI 0 0 to 15 Priority order of HI_ALM alarm
51 HI_LIM 1.#INF PV_SCALE Setting for HI_ALM alarm
52 LO_PRI 0 0 to 15 Priority order of LO_ALM alarm
53 LO_LIM -1.#INF PV_SCALE Setting for LO_ALM alarm
54 LO_LO_PRI 0 0 to 15 Priority order of LO_LO_ALM alarm
55 LO_LO_LIM -1.#INF PV_SCALE Setting for LO_LO_ALM alarm
56 DV_HI_PRI 0 0 to 15 Priority order of DV_HI_ALM alarm
57 DV_HI_LIM 1.#INF Setting for DV_HI_ALM alarm
58 DV_LO_PRI 0 0 to 15 Priority order of DV_LO_ALM alarm
59 DV_LO_LIM -1.#INF Setting for DV_LO_ALM alarm
60 HI_HI_ALM Alarm that is generated when the PV value has exceeded
the HI_HI_LIM value and whose priority order* is dened in
HI_HI_PRI.
* Priority order: Only one alarm is generated at a time.
When two or more alarms occur at the same time, the alarm
having the highest priority order is generated. When the
PV value has decreased below [HI_HI_LIM – ALM_HYS],
HI_HI_ALM is reset.
61 HI_ALM As above
62 LO_ALM As above
Reset when the PV value has increased above
[LO_LIM + ALM_HYS].
63 LO_LO_ALM As above
64 DV_HI_ALM Alarm that is generated when the value of [PV - SP] has
exceeded the DV_HI_LIM value. Other features are the
same as HI_HI_ALM.
65 DV_LO_ALM Alarm that is generated when the value of [PV - SP] has
decreased below the DV_LO_LIM value. Other features are
the same as LO_LO_ALM.

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YOKOGAWA digitalYEWFLO Series Specifications

General IconGeneral
BrandYOKOGAWA
ModeldigitalYEWFLO Series
CategoryMeasuring Instruments
LanguageEnglish

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