Specifications

Process Flow
68 Connection to FOUNDATION Fieldbus IM/265/7/9/ADD/FF-EN_01
12.4 PID Function Block
M00518
Scaling
with
Limiting
with
OUT_HI_LIM
OUT_LO_LIM
OUT
BKCAL_OUT
SP
CONTROL_OPTS. use PV for BKCAL_OUT
PV_SCALE
ROUT_OUT
RCAS_OUT
x (-1)
CONTROL_OPTS.Direct acting
+
+
OUT_SCALE
Scaling
with
Mode and status handling
O/S: no calculculation
+
-
PV_SCALE
Control algorithm
GAIN
RESET
RATE
BAL_TIME
BYPASS
CONTROL_OPTS.Bypass enable
CONTROL_OPTS.track enable
CONTROL_OPTS.track in manual
Iman: BKCAL_IN
LO: TRK_VALUE
Man: OUT can be written by operator
Auto: SP will be written by operator
CAS: CAS_IN (from function block)
RCas: RCAS_IN (from control appl.)
ROut: ROUT_IN (from control appl.)
SP*
Scaling
with
Alarm
acknowledge
HI_HI_LIM
HI_LIM
LO_LIM
LO_LO_LIM
DV_HI_LIM
DV_LO_LIM
PV
Limiting of ramp
SP_RATE_DN
SP_RATE_UP
SP
rate with
Feed forward
RCAS_IN
CAS_IN
Limiting with
SP_HI_LIM
SP_LO_LIM
IN
Pt1 filter
PV_FTIME
FF_VAL
intrusion
FF_SCALE
FF_GAIN
TRK_VAL
TRK_IN_D
Scaling
with
TRK_SCALE
BKCAL_IN
ROUT_IN
Fig. 16: