10
C h a p t e r 3
RX/TX
Blinking: The RX/TX LEDs blink (on to off) when a message is received or transmitted, respectively.
Stuck On/Off: If either LED is constantly on or off, there may be an issue in hardware or software.
Hand-Off-Auto (HOA) Switches
The TCU800 face plate has three fail-safe HOA switches corresponding to the three pumps it can control. Each switch
controls only the associated pump, individually. The switches have three positions: left (Hand), center (Off), and right
(Auto). If pump starter power is present, then the switches allow hand and off operation of pumps regardless of the state
of the software or power to the unit.
Hand
Placing the switch in the hand position overrides the automatic output of the TCU800 and forces the corresponding pump
on.
Off
Placing the switch in the off position overrides the automatic output and remote control of the TCU800 and forces the
corresponding pump off.
Auto
Placing the switch in the auto position allows automatic operation of the corresponding pump. The state of the pump is
being controlled by the operating logic program and telemetry override and disabled statuses. See the telemetry control
section for more information.
Motor Fault Reset
If a motor starter fault occurs, it is reset by placing the corresponding HOA switch in Hand or Off.
Soft Touch Button
The TCU800 has a single soft touch button labeled with a home symbol. The button is located on the right side of the face-
plate, below the Alarm LED and above the USB ports. The purposes of the button are as follows: to power the unit on or
off, to wake up the display, to return to the home screen, and to acknowledge alarms to prevent the alarm horn sounding.
Powering Off a Unit
Press and hold the button for approximately 3 to 5 seconds. When the blue TCU800 screen appears, release the button.
Failure to release the button within 6 seconds will cause a complete reboot instead of a shut down.
Powering On a Unit
If the unit was powered off according to the previous section, then the unit will power on with a single press of the button.
Rebooting a Unit (with Software Timer)
Press and hold the button for approximately 10 seconds. The unit will shut down as in the previous section, however, it will
Содержание TCU800
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Страница 49: ...39 S e t u p Externally Powered Non submersible Transducer TCU Powered Non submersible Transducer ...
Страница 56: ...46 C h a p t e r 5 Quick View Analog View Pump Statistics ...
Страница 57: ...47 U s e r I n t e r f a c e Alarms Settings Screen 1 Settings Screen 2 ...
Страница 58: ...48 C h a p t e r 5 Advanced Settings About ...
Страница 77: ...67 O p e r a t i n g P r o c e d u r e s TCU Installed in Existing Control Panel ...
Страница 87: ...77 M o d b u s S u p p o r t Figure 1 Figure 2 Figure 3 ...
Страница 92: ...82 D a t a F l o w S y s t e m s I n c Appendix ...
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Страница 162: ...Data Flow Systems Inc 605 N John Rodes Blvd Melbourne Florida 32934 321 259 5009 www dataflowsys com ...