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Instruction Manual
748467-A
January 2002
3-14 Operation Rosemount Analytical Inc. A Division of Emerson Process Management
Model MicroCEM
General Setting
Description
O2SensorLowLimit
This sets the O2 % low limit, below which a limit alarm will occur.
O2SensorHighLimit
This sets the O2 % high limit, above which a limit alarm will occur.
COSensorLowLimit
This sets the CO low limit, below which a limit alarm will occur.
COSensorHighLimit
This sets the CO ppm high limit, above which a limit alarm will occur.
NOXSensorLowLimit
This sets the NOx low limit, below which a limit alarm will occur.
NOXSensorHighLimit
This sets the NOx ppm high limit, above which a limit alarm will occur.
CCEM Serial Number
This setting is used to record the MicroCEM Serial Number.
Diluent Percent
Percent O2 used in Diluent correction.
MinimumOnCurrent
This is the minimum current that must be measured by a current analog input for a
heater/cooler/fan to be considered on. This is used for heater/cooler/fan failure de-
tection.
MaximumOffCurrent
This is the maximum current that must be measured by a current analog input for a
heater/cooler/fan to be considered off. This is used for heater/cooler/fan failure de-
tection.
NDIR Sync Low
This indicates which NDIR reading is made when the sync goes from high to low:
Reference (R) or Sample Gas (S).
+24V Low Limit
If the +24V measurement is below this level it will cause an alarm.
+24V High Limit
If the +24V measurement is above this level it will cause an alarm.
ValveOnTime
For calibration – The amount of time to wait after turning on a valve.
O2EmissionLimit
NOXEmissionLimit
COEmissionLimit
O2LowRan
g
e
COLowRan
g
e
NOXLowRan
g
e
O2Hi
g
hRan
g
e
COHi
g
hRan
g
e
NOXHi
g
hRan
g
e
These limits are the default values. On the Pocket PC these values will be used
when one of the “Defaults” buttons are pressed.
SamplePumpOn
1 = Sample pump is used. 0 = Sample pump not used.
LogsDir
Directory where log files are saved (C:\uCEM\Logs).
MaxWarmUpTime
Maximum time allowed for the uCEM to warm-up when it is started up. If all tem-
perature zones are not within allowed range within this period of time, the uCEM will
shutdown all heaters, coolers and processes.
StateFile
The full path to the file which maintains the state of the uCEM.
(C:\uCEM\mcem.state)
ServerIP
The IP address to use when listening for incoming connections.
ServerPort
The IP Port to use when listening for incoming connections.
ServerTimeout
100
AlarmsPersistFile
The full path to the file which maintains the current state of the alarms.
(C:\uCEM\alarms.state)
LogoffTimeout
Auto Log-off time in minutes
UserListPersistFile
The full path to the file that maintains the user list (C:\uCEM\mcem.userlist)
Table 3-4. Factory Settings - General