Rack Control Module
TM
Product Manual
Rev. 1.2, May 9, 2014 Page 6
Finch Relay Module
The Finch Relay Module is an accessory that enables overfill prevention by
control of an onboard pump or loading valve.
Horns and Lights
Alarm reporting is through optional vehicle mounted horns and lights.
The TD80 Alarm System 1.3.5
This description refers to TD80 transmitters and the RCM only. Refer to the
TD80 Installation and Operation Manual, TPM 001 for a full description of the
alarm system.
The TD80 alarms are listed below.
High-High (HH) Alarm
The High-High alarm is set during transmitter programming and is normally
the maximum safe volume of the tank. Dual Rod TD80 transmitters and
probes are settable to a volume from 8” below the tank top and lower while
the Coaxial TD80 transmitters and probes are able to be set from 3” and
lower.
The TD80 transmitter is the source of this alarm. The HH alarm is activated
by a measured volume equal to or exceeding the alarm level set during
programming.
Spill Alarm
Spill is an approaching overfill condition. Dual Rod TD80 transmitters and
probes are factory set at 7.5” below the tank top while Coaxial TD80
transmitters and probes are selectable in the range of 2.5” down to 15.5”
from the top.
The TD80 transmitter is the source of this alarm. The Spill alarm is activated
by a measured level equal to or exceeding the alarm level set during
programming.
Fail Alarm
TD80 system failures such as internal transmitter errors and probe faults are
reported to the RCM. This is the same error information shown on the Finch
display as an error code, Exx where xx is the code for a specific TD80
failure. RCM indicator lights are unable to report the specific cause of the
halted loading process. Refer to the TD80 Installation and Operation Manual,
TPM 001 for the error codes and failure description.
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