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Omega PLATINUM Series - Setpoint Limits (Init > Sfty > SP.LM); Loop Break Timeout (Init > Sfty > SEN.M > Lpbk); Open Circuit (Init > Sfty > SEN.M > O.crk); Sensor Error Latch (Init > Sfty > SEN.M > E.LAT)

Omega PLATINUM Series
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PLATINUM
TM
Series Controllers User’s Guide
M5451 Omega Engineering | www.omega.com
43
Reference Section: Initialization Mode (INIt)
Select the desired setting.
6.7.3 Setpoint Limits (INIt > SFty > SP.LM)
Select Setpoint Limits (SP.LM) to set limits on the values that can be used for the all Setpoints.
Navigate to the desired setting. Settings include the following:
SP.Lo Set the minimum possible Setpoint value
SP.HI Set the maximum possible Setpoint value
Select the desired setting.
Set the Setpoint limit value.
Confirm the value.
6.7.4 Loop Break Timeout (INIt > SFty > SEN.M > LPbk)
Select the loop break (LPbk) parameter. When enabled, this parameter specifies the amount
of time in Run Mode without a change in input value that would signify a sensor malfunction.
For example, if there were a problem in a thermocouple, the input would not change over
time.
Navigate to the desired setting. Settings include the following:
dSbL No loop break timeout protection (factory default)
ENbL Set loop break timeout value
Select the indicated setting.
If ENbL, Set the loop break timeout value in minutes and seconds (MM.SS)
Confirm the value.
6.7.5 Open Circuit (INIt > SFty > SEN.M > o.CRk)
Select the open circuit (o.CRk) parameter. When o.CRk is enabled, the unit will monitor
Thermocouples, RTD, and Thermistors for an open circuit condition.
Navigate to the desired setting. Settings include the following:
ENbL Open circuit conditions will stop the program and display oPEN (factory
default)
dSbL No open circuit protection (may be necessary when using high impedance
infrared thermocouples or thermistors).
Confirm the value.
6.7.6 Sensor Error Latch (INIt > SFty > SEN.M > E.LAT)
Select the Error latch (E.LAT) parameter. When E.LAT is enabled, if any sensor error is
detected (open circuit, out of range, loop break), the unit will be put in fault mode. Manual
intervention is required to clear the error. When E.LAT is disabled, if the fault conditions no
longer exist, the unit will resume its previous running state.

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