41
S e t u p
Input commons on the TCU must be either AC neutral (with no voltage potential when referenced to earth
ground) or the negative terminal of a DC power supply.
Alarm Silence Switch
External Phase Monitor
Connect a bias voltage to one side of the external phase monitor contacts. Connect the opposite side of the contacts through
the proper voltage-dropping resistor to the EXT_PM terminal (P2-4).
Use the same bias voltage source as used to bias the motor run inputs. The return for the bias voltage must be connected
to the IN_COM_1 terminal (P2-5). The MTRx_RUN (P2-1, P2-2, P2-3) and EXT_PM (P2-4) input circuits are internally
connected to the IN_COM_1 terminal (P2-5). Phase Monitor contacts must open when a phase fault occurs.
Input commons on the TCU must be either AC neutral (with no voltage potential when referenced to earth
ground) or the negative terminal of a DC power supply.
connecting the backup battery, since this circuit is not diode protected.
Alarm Silence Switch
The alarm horn, if installed, can be silenced in three ways: through the ALM_SIL input, by pressing the TCU’s Power/
Home button, or by navigating to the TCU’s Alarm screen and viewing the alarm. The following describes the wiring of a
momentary alarm silence switch.
ALM_SIL (P2-13), AUX_IN (P2-12), and the six level (xxx_LVL) input circuits (P2-6, P2-7, P2-8, P2-9, P2-10, P2-11)
are internally connected to the IN_COM_2 terminal (P2-14). Each of these inputs must be wired with the same bias voltage
and use the same voltage-dropping resistor value for proper operation.
Connect a momentary switch from the bias voltage source through the proper voltage-dropping resistor, if required, to the
ALM_SIL terminal (P2-13). The return for the bias voltage must be connected to the IN_COM_2 terminal (P2-14).
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 ...
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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 ...