Response Electronics CL6011B Especificaciones Pagina 67

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3Ć47 Theory of Operation: Point Processing
Original Ć June 1990 CE4.2:CL6211
Figure 3Ć11Ć18. PI/PID/Auto/Man/DDC or SUP Loop Point Block Diagram
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)
NOTE: ONLY ONE
DEADBAND MAY BE
SPECIFIED FOR ALL
THREE ALARMS.
REVERSE OR
RESET LAST MODE? (C)
RESTART MODE (T)
MODE CONTROL
MODE
LOGIC
YES OR NO (C)
RESTART IVP (T)
RESTART
LAST IVP
DDC CONTROL FROM DATA
MANUAL OUTPUT (0)
FROM CONSOLE OR
OUTPUT
TRANSFER
OUTPUT
TRACKING
IVP
LIMITS
VALVE
ACTION
CONTROLLER
CURRENT
OUTPUT
OUTPUT TRACKING/NORMAL (O)
IVP HIGH LIMIT (T)
IVP LOW LIMIT (T)
INCREASE OPEN/CLOSE (T)
IVP (0)
YES OR NO (C)
DEVIATION
CONTROL
ACTION
SUPERVISORY CONTROL
SET POINT
TRANSFER
PV (0)
VALVE
ACTION
SP TRACKS
IN DDC
SP TRACKS
IN MAN
RESTART
LAST SP
Control Sequence with Bias Auto/Man/DDC or SUP Controller Block Diagram
TRACK
CONTROL
RESTART
SET POINT (T)
SSS
S
S
S
YES OR NO (C)
YES OR NO (C)
SSSS
SSS S
SSS
SS
SS
INCREASE
OPEN/
S
TO OPERATOR
TO OPERATOR
TO
OPERATOR
FROM CONSOLE OR
DEADBAND (T)
CLOSE (T)
FROM DATA
HIGHWAY
DIRECT (T)
DEVIATION
ALARM
NOTES:
(C)
(T)
(O)
CONFIGURE
TUNE
OPERATE
ANALOG SIGNALS
DISCRETE SIGNALS
WATCHDOG
TIMER
RESET
S
OUTPUT TRACKING
OVERRIDES MANUAL? (C)
STATION
AND DATA
HIGHWAY
LOCAL SET POINT
FROM CONSOLE
OR DATA HIGHWAY
STATION AND
DATA HIGHWAY
OPERATOR STATION
YES OR NO (C)
TIMEOUT TIME (T)
S
S
COMPUTER BACKUP MODE? (T)
S
OPERATOR STATION
STATION AND DATA
HIGHWAY
TRACK
VALUE
SP (0)
SET POINT
LIMITS
SP HIGH
LIMIT (T)
SP LOW
LIMIT (T)
SS
TO OPERATOR
STATION AND
DATA HIGHWAY
YES OR NO (C)
VELOCITY LIMIT (T)
DEVIATION
PROCESS
VARIABLE
INPUT
TO DATA
(0)
DEVIATION
ALARM (0)
ALARM B(0)
ALARM C
HIGHWAY
TO DATA
HIGHWAY
TO OPERATOR
STATION AND
TO
OPERATOR
STATION
OR
ALARM B OR C (0)
DATA HIGHWAY
OUTPUT
TRACK
LOGIC
(O)
RESET
SET POINT
VELOCITY
LIMIT
SS
OUTLET SVA
INLET SVA
SEE NOTE A
ADD RAMPING
TRANSFER
RAMPING
YES OR NO (C)
RAMP TIME (T)
S
S
HIGHWAY
BIAS
DISPLAY
BIAS
VALUE
S
BIAS VALUE (O)
TO DATA
HIGHWAY
TO OPERATOR
STATION
S
YES OR NO (O)
NOTE A: ANY NUMBER AND TYPE OF
FUNCTION MAY BE INSERTED,
EXCEPT FOR THE FEEDFORWARD ,
LOOP, AND END FUNCTIONS.
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