GROUP 1, FUNCTION 0

CHAPTER 10: PROGRAMMING GROUP 1 – VOLTAGE, AMP AND WATT SCALE SETTINGS

10.1Group 1, Function 0

-FULL SCALE VOLTAGE SETTINGS, SCALE & DECIMAL POINT PLACEMENT -

Table 10–1: Group 1 Programming Format

Group and Function Number

Function

 

 

10.

Full Scale Selection for Volts

 

 

11.

Full Scale Selection for Amps

 

 

12.

Full Scale Selection for Watts

 

 

1E.

Exit Programming GROUP 1

 

 

Tables 10-2and 10-3contain Full Scale Settings for typical voltages and currents (PT and CT arrangements).

Table 10–2: TYPICAL Full Scale Settings for Volts

Secondary PT Values

PT Ratio

Full Scale

 

 

 

75 V (Suffix 75) L-N MAX

120:1

9.00 KV

 

 

 

120/208 V

1:1 (Direct)

120.0

 

 

 

120/208 V

4:1

0480 V

 

 

 

120/208 V

120:1

014.4 KV

 

 

 

277/480 V (Suffix G)

1:1 (Direct)

0300 V

 

 

 

120/208V

600:1

072.0 KV

 

 

 

120/208

1150:1

138.0 KV

 

 

 

If PT is connected line to line, the full scale can be 14.40 KV. Full scale is 300 V L-N, not 277, because the factory calibration is 300 V. Be sure the table is based on a meter regulation of 2000 A/D counts. Thus, for best accuracy, all settings should be placed within that range.

10.1.1 Voltage Full Scale:

To change the Full Scale Settings:

Press MAX/MIN/LIMITS at any time to cancel before storing the last digit or switch.

10–74

EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL

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GE EPM 5350 Group 1, Function, Voltage Full Scale, Group 1 Programming Format, Typical Full Scale Settings for Volts