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industrial heat tracing solutions
EN-RaychemNGC30UIT2Programming-AR-H5818602/16
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
Safety Limiter Comm OK Raychem NGC-20 Safety Limiter sub-system can communicate with
the Raychem NGC-20 processor
Safety Limiter Reset Raychem NGC-20 Safety Limiter has been reset and Safety Limiter
temperature is below Safety Limiter setpoint
Safety Limiter Sensor OK Raychem NGC-20 RTD is working properly
System Restart Raychem NGC-30 system has restarted at time noted
Temp OK Control Temp returned to acceptable range
User Alarm OK User alarm has been cleared
Voltage OK Line voltage returned to acceptable range
Table 3.7 Color Coding of Events and Alarms
Color Description
Black All events
Orange Alarm that has been Acknowledged
Red In Alarm condition and has not been Acknowledged
Blinking Red/Orange Latching Alarm condition which requires Reset in the Status | Circuit
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