User manual for single-phase meter
33
16 STS function (optional)
16.1 Recharging
When the user goes to the existing vending point and buys electricity, he will get a
standard 20-digit token.
The user enters the 20-dight token using the keypad. Should the user have keyed in an
incorrect digit he/she could correct it by using the backspace key.
A successful recharge is indicated as follows:
(Due to the credit is transferred in ‘scientific notation’ way according to STS standard,
the error happens. When the credit is over 1638.4kWh, the error between 0~0.061% is
acceptable.
Credit range Maximum error
0~16383 0
16383~180214 0.061%
180224～1818524
0.055%
1818624～18201624
0.055%
TOKEN decipher error
The token input is wrong
The token does not match the meter due to mistake meter number
Meter key is wrong
TOKEN used.
The user input a token that has been used.
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