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Mitsubishi Electric FR-F740-00023 Instruction Manual: Pulse Train Output Of Output Power (y79 Signal, Pr. 799); Pulse Train Output Of Output Power (y79 Signal, Pr)

F700 series.
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Function assignment of external
terminal and control

4.10.9 Pulse train output of output power (Y79 signal, Pr. 799)

After power ON or inverter reset, output signal (Y79 signal) is output in pulses every time accumulated output
power, which is counted after the Pr.799 Pulse increment setting for output power is set, reaches the specified value
(or its integral multiples).
Parameter
Name
Number
Pulse increment setting for
799
output power
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to the page 173)
(1) Pulse increment setting for output power (Y79 signal, Pr.799)
After power ON or inverter reset, output signal (Y79 signal) is output in pulses every time accumulated output
power of the inverter exceeds Pr.799 Pulse increment setting for output power.
The inverter continues to count the output power at retry function or when automatic restart after instantaneous
power failure function works without power OFF of output power (not power failure of inverter control circuit power),
and it does not reset the count.
If power failure occurs, output power is counted from 0kWh again.
Assign pulse output of output power (Y79: setting value 79 (positive logic), 179 (negative logic)) to any of Pr.190 to
Pr.196 (Output terminal function selection).
CAUTION
Because the accumulated data in the inverter is cleared when control power is lost by power failure or at an inverter reset, the
value on the monitor cannot be used to charge electricity bill.
Changing the terminal assignment using Pr. 190 to Pr. 196 (output terminal function selection) may affect the other functions. Please
make setting after confirming the function of each terminal. (Refer to page 116)
REMARKS
When parameter copy is performed, Pr.799 = "9999" might be set. However, the inverter operates as Pr.799 were at "1kWh"
(initial value) in such case.
124
Initial
Setting Range
Value
0.1kWh, 1kWh, 10kWh,
1kWh
100kWh, 1000kWh
Output power
20kWh
10kWh
Pulse output of output power
(Y79)
ON for 0.15s (0.1 to 0.2s)
Pulse train output of output power (Y79) is output in
pulses at every output power (kWh) that is specified.
ON
OFF
When Pr.799 = 10
Description
Time

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