DDC Loops (P, PI, PID)
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PID
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Automatic PID Tuning Feature
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Not provided. Fast trends (1 sec) are available to facilitate manual tuning.
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Automatical-Dial Alarm Support
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Available at the system level only through optional Telink (Autodial Gateway) and Remote Communications device. Not available at the controller level.
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Does controller perform multiple retries and buffer/store alarm until connection is made?
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Yes
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Are multiple destinations possible?
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Yes
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Upon controller power loss or hardware failure:
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Are network communications affected?
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No
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Is loss recognized on/by the network and alarm reported?
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Yes
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DO and AO response?
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Volatile memory functions?
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Upon restoration of power does the controller:
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Auto-reboot without operator intervention?
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Yes. A power failure restart routine is provided which allows the controller to resume full operation without operator intervention if within the specified 72 hour backup period.
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Automatically reset/synchronize the clock?
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Yes
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Update all monitored functions?
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Yes
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Generate an alarm if backup battery is dead?
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Yes
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Upon network or communications failure does controller:
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Continue to operate standalone?
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Yes
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Operate with last global settings or user-specified value?
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N.A.
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Do broken network segments continue to communicate within the remaining segment?
(Note: May depend on proper termination of segments for higher speed networks.)
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Yes
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Does network automatically reconfigure upon restoration?
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Yes
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Does network store 'loss of communications' alarm with time of event?
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Yes
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Additional Information (optional)
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Self Test Diagnostics
Does controller have internal self-test diagnostics to check:
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Processor failure?
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No
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Internal hardware failure?
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Yes
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Open/shortened sensor?
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Yes
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Others?
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Has on-board self-test diagnostics to automatically generate alarms due to malfunctions and exceeded system operating parameters. Controller also performs a range of common sensor diagnostics
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Control Enclosure
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Unit mounted. Varies based on applicaton.
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