Emerson I-0021 User Manual
NGA-2000 System Calibration
90003482(2) [NGA-e (MLT-Software 3.2.X)] 07/98
NGA 2000
Supplement - 27
Example of a filled sequence buffer
Assignment of modules, system-valves and purge-times:
AM1
AM2
AM3
SAMPLE-GAS
V1 / 5 sec
V1 / 5 sec
V2 / 4sec
ZERO-GAS
V4 / 10 sec
V4 / 10 sec
V5 / 12 sec
SPANGAS-1
V5 / 10 sec
V5 / 10 sec
V6 / 12 sec
SPANGAS-2
V5 / 10 sec
V5 / 10 sec
V6 / 12 sec
SPANGAS-3
V6 / 10 sec
V5 / 10 sec
V4 / 14 sec
SPANGAS-4
V6 / 10 sec
V5 / 10 sec
V4 / 14 sec
To do is following user program:
1. ZERO-CAL
ALL-modules
2. SPAN4-CAL
AM2
3. END-OF-PGRM
Belonging sequence buffer:
action type
action data[0]
action data[1]
USER_STEP
1
SWITCH_VALVE
0006 hex (V4, V2)
PURGEWAIT
10
ZERO
AM1
PURGEWAIT
10
ZERO
AM2
CALWAIT
AM1
CALWAIT
AM2
SWITCH_VALVE
0011 hex (V5,V1)
PURGEWAIT
12
ZERO
AM3
CALWAIT
AM3
USER_STEP
2
SWITCH_VALVE
0012 hex (V5, V2)
PURGEWAIT
10
SPAN
AM2
4
CALWAIT
AM2
END-OF-PGRM
The size of sequence buffer is currently 320.