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8.3.3 Measuring instrument pulse counting (direct reading) method
(1) Basic composition
Charge
license
Single-phase 200V
Single-phase 200V
Power supply
unit
Install integrated software
Input
LOSSNAY
LOSSNAY
Charge block
Charge block Charge block
Indoor unit system watt-hour meter
Indoor unit system watt-hour meter
Indoor unit system watt-hour meter
A measuring instrument should be
installed for each charge block.
PLC (installed with pulse counting software)
PC for centralized control
Uninterrupted
power source (UPS)
G-50A
Figure 8-9 Basic composition of measuring instrument pulse counting (direct reading) method
(2) Required materials
Table 8-6 shows the materials required to carry out the measurement charging by direct reading. The
materials same as that for the apportioning method are required.
[Selection of pulse counting software]
The pulse counting software to be installed to PLC differs depending on the IP address of the PLC.
Refer to Table 8-4 for selection. One set of PLC can count the measuring instruments up to 32 sets.
(3) Setting item
For this method, the contents of setting differ depending on the load to be measured. Conduct each
setting by following the setting items shown in the electric power pulse counting (apportioning) method.
Table 8-6 Materials required for measuring instrument charging
Name (Model name)
PC for centralized control
Integrated software (PAC-TG2000A)
Charging license
Web monitor license
PLC
Electric power pulse accounting
software
Watt-hour meter with pulse oscillator
Water meter with pulse oscillator
Gas meter with pulse oscillator
Calorie meter with pulse oscillator
Uninterrupted power source (UPS)
Maker
PC/AT convertible unit
Mitsubishi Electric
Mitsubishi Electric
Mitsubishi Electric
Mitsubishi Electric
Mitsubishi Electric
Mitsubishi Electric
Mitsubishi Electric
(reference)
Remarks
Confirmed operation of IBM, DELL, Hp Compaq.
For PC spec., refer to Table 6-4.
Requires for each G-50A.
Requires for each G-50A.
PLC for pulse counting can be connected up to 5 sets.
For the PLC specification, refer to Table 12-1.
For detail, refer to Table 8-4.
For the specification of the watt-hour meter, refer to Table 10-2.
For the specification of measuring instruments, refer to Table
10-1.
FREQUPS A-series.
(Line interactive system)