Response Electronics CL6011B Especificaciones Pagina 54

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3Ć34 Theory of Operation: Point Processing
Original Ć June 1990CE4.2:CL6211
Figure 3Ć11Ć5. P/PD Auto/Man/RSP Loop Point Block Diagram
PROCESS
VARIABLE
INPUT
DEVIATION
CONTROL
ACTION
PV (0)
OUTPUT
TRANSFER
OUTPUT
TRACKING
IVP
LIMITS
VALVE
ACTION
CONTROLLER
CURRENT
OUTPUT
IVP HIGH LIMIT (T)
IVP LOW LIMIT (T)
IVP (0)
ADD
RAMPING
SP (0)
SP TRACKS
IN MANUAL
TRACK
VALUE
VALVE
ACTION
TRACK
CONTROL
P
BIAS
GAIN (T)
RATE (T)
BIAS VALUE (O)
RESTART LAST BIAS? (C)
RESTART BIAS (T)
D
S SSSS
BIAS
DISPLAY
TO DATA
(0)
HIGH OR LOW (C)
TRIP POINT (T)
DEADBAND (T)
ALARM
C
ALARM
B
HIGH OR LOW (C)
TRIP POINT (T)
DEADBAND (T)
TRIP POINT (T)
DEVIATION
ALARM (0)
ALARM B(0)
NOTE: ONLY ONE
DEADBAND MAY BE
SPECIFIED FOR ALL
THREE ALARMS.
DEVIATION
ALARM
DEADBAND (T)
SSS SSS
SS
ALARM C
MODE CONTROL
MODE (O)
YES OR NO (C)
RAMP TIME (T)
MODE
LOGIC
RESTART LAST MODE (C)
RESTART MODE (T)
TRANSFER
RAMPING
SS
SS
SET POINT
TRANSFER
RESTART LAST
SET POINT
YES OR NO (C)
RESTART
SET POINT (T)
P/PD Auto/Man/RSP Controller Block Diagram
REVERSE
OR
DIRECT (T)
SET POINT
LIMITS
OUTPUT
TRACKING
OVERRIDES
MANUAL? (C)
INCREASE
OPEN/CLOSE (T)
YES OR NO (C)
RESTART IVP (T)
MANUAL
OUTPUT (O)
FROM CONSOLE
REMOTE
SET POINT
VALUE
RESTART
LAST IVP
SP HIGH
LIMIT (T)
SP LOW
LIMIT (T)
OUTPUT
TRACKING/NORMAL
(O)
S
S
S
SS
SS
INCREASE
OPEN/CLOSE (T)
S
SS
S
SS
YES OR
S
HIGHWAY
TO DATA
HIGHWAY
TO OPERATOR
STATION AND
TO OPERATOR
STATION AND DATA
TO OPERATOR
STATION AND
OR OPERATOR
STATION
FROM OPERATOR
STATION OR CONSOLE
NOTES:
(C)
(T)
(O)
CONFIGURE
TUNE
OPERATE
ANALOG SIGNALS
DISCRETE SIGNALS
TO
OPERATOR
STATION
OR
ALARM B OR C (0)
DATA HIGHWAY
NO (C)
NOTE: RATE ACTION
HIGHWAY
DATA HIGHWAY
BIAS
VALUE
S
BIAS VALUE (O)
TO DATA
HIGHWAY
TO OPERATOR
STATION
S
YES OR NO (O)
TO OPERATOR
STATION AND
DATA HIGHWAY
OUTPUT
TRACK
LOGIC
YES OR NO (C)
VELOCITY LIMIT (T)
DEVIATION
TO DATA HIGHWAY
LOCAL SET
POINT FROM
CONSOLE
OR OPERATOR
STATION (O)
ON PV ONLY
OUTLET SVA
INLET SVA
SEE NOTE A
NOTE A: FEEDFORWARD FUNCTION
LOCATION; REFER TO FST
SECTION FOR DESCRIPTION
OF FDFW FUNCTIONS
SET POINT
VELOCITY
LIMIT
SS
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