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172-082010_400 I Series Software Page 32 of 35
This is the integer value between 0 – 64000 (typically around 30000) required to set the
pulse width modulator voltage equal to the 2 volt reference signal that corresponds to
zero flow.
item 30:valve shut:
Reserved for future use.
item 31:valve lim: (read only)
read V31(cr) or *[aa]V31(cr)
Sample reply: 32198(cr)>
This is the integer value between 0 – 64000 (typically around 43000) required to set the
pulse width modulator voltage equal to the full scale flow value listed in the active gas
record (G2).
2.8. Mode list
See the information on the ML command and the alarms and status section for more
information on these.
ML List all values individually accessible from the MS, MSC, MA, MAA, MF, MFA, MW and
MWA commands
{*dd}ml(cr)
>ml
state: 2
mfm status: x0080
alarms: x0000
unacked alarms: x0000
flow status: x0001
unacked flow status: x0001
warnings: x0004
unacked warnings: x0004
2.9. ALARMS STATUS WORD
Read using MA network command. It is read-only and cannot be changed by network
command.
msb lsb
15 0
bit 15(msb): Set if flow above high alarm limit.
bit 14: Set if flow below alarm limit.
bit 13: Set if indicated flow reading invalid. (Examine flow status).
bit 12: Set if sensor failure detected. Set in any MFM state.