IEC 62055-52:2008
Electricity metering - Payment systems - Part 52: Standard transfer specification (STS) - Physical layer protocol for a two-way virtual token carrier for direct local connection

Standard No.

IEC 62055-52:2008

Release Date

2008

Published By

International Electrotechnical Commission (IEC)

Latest

IEC 62055-52:2008

Scope

This part of IEC 62055 specifies a physical layer protocol of the STS for transferring units of credit and other management information between a client (typically a HHU) and a server (an STS-compliant electricity payment meter), typically over a direct local connection. It is complementary to the application layer protocol specified in IEC 62055-41 and should be used in conjunction with that standard. This standard is not applicable to payment metering systems employing monetary-based tokens, complex tariffs and currency-mode accounting functions. It is only intended to support the STS functionality as defined in IEC 62055-41 and it does not support the additional functionality required for extended use that includes monetary-based tokens and complex meter functions such as tariffs, real time clocks and currency-mode accounting. If such extended use were required in the future, then it would need new work on this part of IEC 62055 as well as on IEC 62055-41. It is intended for use across a range of payment meters developed by different manufacturers and to ensure compatibility between these products and other client devices. It specifies a client/server communications protocol that: ~ transfers STS-compliant tokens from a client device to a payment meter server; ~ reads the result from the payment meter after transfer and execution of the token; ~ transfers management data from the client device to the payment meter server; ~ reads management data from the payment meter server and transfers same to the client device. NOTE Although developed for payment systems for electricity, this standard can also be applied to other utility services, such as water and gas.

IEC 62055-52:2008 Referenced Document

• IEC 62055-31:2005 Electricity metering - Payment systems - Part 31: Particular requirements - Static payment meters for active energy (classes 1 and 2)
• IEC 62056-21:2002 Electricity metering - Data exchange for meter reading, tariff and load control - Part 21: Direct local data exchange
• IEC TR 62055-21:2005 Electricity metering - Payment systems - Part 21: Framework for standardization
• ISO/IEC 646:1991 Information technology; ISO 7-bit coded character set for information interchange

IEC 62055-52:2008 history

• 2008 IEC 62055-52:2008 Electricity metering - Payment systems - Part 52: Standard transfer specification (STS) - Physical layer protocol for a two-way virtual token carrier for direct local connection