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47RAYCHEM-OM-EU2032-NGCUIT3EX-EN-2203
Relay Failure Alarm
EMR or SSR was commanded to turn off. However, a heater current was still being detected.
This condition can indicate a failed contactor or SSR (stuck on)
RTD Failure Open or shorted RTD detected
User Alarm User configurable alarm
Safety Limiter Comm Alarm NGC-20 Safety Limiter sub-system cannot communicate with NGC-20 processor
Safety Limiter Sensor Failure NGC-20 Safety Limiter RTD fails
Safety Limiter Trip Alarm NGC-20 Safety Limiter temperature above Safety Limiter setpoint
.
Event
Alarm Ack Date and time stamps when an Alarm was acknowledged
CB Trip OK Circuit Breaker is no longer tripped.
Comm Alarm Communication with a specified device has been interrupted
Comm OK Communication with device/s was restored.
Date/Time Error Date or time information is not correct and must be updated
Events Cleared Date and time stamps when Events menu was cleared in System | Maint. window
Fail Safe Alarm Control mode of Circuit has been switched to Fail Safe control mode
Fail Safe OK At least one valid RTD value was restored, allowing normal control to resume
Ground-Fault Alarm Heater’s ground-fault current has exceeded Ground-Fault Alarm limit for Circuit
Ground Fault OK Ground fault returned to acceptable range
Ground-Fault Trip
Heater’s ground-fault current has exceeded Ground-Fault Trip limit for Circuit and has disabled
the contactor or SSR
.
Event
Ground-Fault Trip OK Ground-fault current returned to acceptable range and Alarm Reset Button was pushed
Heater Time Alarm Heater has reached the alarm threshold for the heater time on
Heater Time Reset Heater hours counter field was reset to 0
High Current Heater’s Current has exceeded High Current Alarm limit for Circuit
High Temp RTD temperature has exceeded High Temp Alarm limit for Circuit
High Temp Cut-Out OK RTD temperature return to acceptable range
Line Current OK Heater’s Line Current returned to acceptable range
Circuit Deleted Date and time stamps when Circuit was deleted in Setup|Circuit window
Low Current Heater’s current has dropped below Low Current Alarm limit for Circuit
Low Temp RTD temperature has dropped below the Low Temp Alarm limit for Circuit
Normal The alarm condition noted has been cleared
Power Input OK Power Input state matches relay output state
Relay Cycle Alarm Number of contact closures has exceeded alarm threshold for Circuit
Relay Cycle Reset The relay cycles counter field was reset to 0
Relay Failure Alarm Heater current was greater than 0 when EMR or SSR was commanded to be off
Relay OK
Heater current returned to 0 when EMR or SSR was commanded to be off. This indicates EMR
or SSR is working properly
RTD OK RTD failure indications (open or short) returned to acceptable range
RTD Failure The specified RTD has failed
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