User Manual

12 - 3
IPN 074-289L
Composer Operating Manual
Concentration Control Configuration
POWER
*MEMORY CHECKS *READ CONFIGURATION SWITCHES & INPUTS *RESTORE CURRENT PARAMETERS *UPDATE LEDs/LCD *UPDATE RELAYS *SET MAXIMUM GAIN & DRIVE
*SWEEP FREQUENCY UNTIL PEAKS ARE FOUND *REDUCE GAIN OR DRIVE IF SIGNAL IS SATURATED
SWEEP
OR
AMPLITUDE
TRACK
INCREMENT
FREQUENCY
TO COVER
SWEEP RANGE
*CHOOSE START FREQUENCY
*MEASURE AMPLITUDE
*INCREMENT f 10 TIMES
CHECK REFERENCE F2
*COMPUTE LORENTZIAN
*PEAK FIT DATA
*COMPUTE COMPOSITION
*UPDATE LED STATUS
*UPDATE RELAYS
*UPDATE I/0
IS
DATA
GOOD
CONTROL
STATE
CONTROL VALUE
= CONSTANT
CONTROL VALUE
= 0
CONTROL VALUE =
CALCULATION FOR
BUBBLER FLOW
OUTPUT
CONTROL VALUE
CONTROL
DILUTION
FLOW
OUTPUT
CONCENTRATION OUT =
COMPUTED CONCENTRATION
IS
ERROR
PRESENT
IS
FATAL ERROR
PRESENT
IS CONTROL
STATE =
CONTROL OR
IS BYPASS
KEY / INPUT
ACTIVATED
IS STOP
KEY / INPUT
ACTIVATED
CONTROL
IS DILUTION
FLOW
OUTPUT
CONCENTRATION OUT =
TOTAL FLOW - CONTROL VALUE
CONTROL OUT = 0
CONCENTRATION OUT = 0
RELAYS K1 - K5 DEACTIVATE
AFTER THE ERROR
IS CORRECTED
THE POWER MUST BE
TURNED OFF THEN
ON TO REINITIALIZE
BYPASS STATE
CONTROL OUT = 0
CONCENTRATION OUT = MAX DILUTION
STOP STATE
CONTROL OUT = 0
CONCENTRATION OUT = LAST VALID
SAVE
CURRENT
PARAMETERS
0.2 SEC
1.1 SEC
NO
YES
NO
YES
NO
NO
NO
YES
YES
YES
NO
YES
NO
YES
STOP OR
BYPASS
HOLD
MANUAL
OFF
POWER FAIL
ON
SWEEP
AMPLITUDE
NO
YES CONTROL
IS WARNING
PRESENT AND
CONTROL STATE
= CONTROL
NO
YES
CONTROL VALUE =
OPEN LOOP CALCULATION
FOR BUBBLER FLOW
CONCENTRATION OR 0 DILUTION FLOW
HOLD