Service Reference Variant

4.3 · Read Instantaneous Prepay Values

Service details

Identifiers, rules, and applicability

Service reference: 4.3
Service Reference Variant: 4.3
DUIS section: 3.8.22
Command variants: 1, 2, 3
DUIS possible responses: AcknowledgementService Response from Device - GBCSPayloadResponse to a Command for Local Delivery Request - LocalCommand FormatCountersigned SMETS1 Response
Critical: No
Sensitive response: Yes
Protection against replay: No
On demand: Yes
Future dated: DSP
DSP scheduled: No
DCC only: No
SMETS1 applicability: Yes
SAPC requirement: Optional
DUIS applicability: 3.0, 3.1, 4.0, 5.0, 5.1, 5.2, 5.3

Cross-specification evidence

SMETS/CHTS to GBCS Mapping

This section shows the SMETS and CHTS attributes that can be read or written by the identified GBCS Use Case. Command requirements are shown separately from the mapped attributes.

ECS195 attributes0x002DESME

Specification	Item	Reference	Description
SMETS	Accumulated Debt Register [INFO]	5.7.5.1	The debt resulting from the collection of Standing Charge [INFO](5.7.4.42) and / or time-based debt when Emergency Credit is in use as configured by Suspend Debt Emergency(5.7.4.46), when operating in Prepayment Mode.
SMETS	Emergency Credit Balance [INFO]	5.7.5.15	The amount of Emergency Credit available to the Consumer after it has been activated.
SMETS	Meter Balance [INFO]	5.7.5.22	The amount of money in Currency Units as determined by ESME. If operating in Prepayment Mode, the Meter Balance represents ESME’s determination of the amount of credit available to the Consumer (excluding any Emergency Credit Balance [INFO](5.7.5.15)). If operating in Credit Mode, it represents ESME’s determination of the amount of money due from the Consumer since the Meter Balance was last reset.
SMETS	Payment Debt Register [INFO]	5.7.5.23	A Debt Register recording debt to be recovered as a percentage of payment when using Payment-based Debt Recovery in Prepayment Mode.
SMETS	Time Debt Registers [1 … 2] [INFO]	5.7.5.36	Two Debt Registers recording independent debts to be recovered over time when operating Time-based Debt Recovery in Prepayment Mode.

GCS144 attributes0x0075GSME

Specification	Item	Reference	Description
SMETS	Accumulated Debt Register	4.6.5.1	The debt resulting from the collection of Standing Charge(4.6.4.23) and / or time-based debt when Emergency Credit is in Use as configured by Suspend Debt Emergency(4.6.4.28), when operating in Prepayment Mode.
SMETS	Emergency Credit Balance	4.6.5.8	The amount of Emergency Credit available to the Consumer after it has been activated.
SMETS	Payment Debt Register	4.6.5.13	A Debt Register recording Debt to be recovered as a percentage of payment when using Payment-based Debt Recovery in Prepayment Mode.
SMETS	Time Debt Registers [1 … 2]	4.6.5.21	Two Debt Registers recording independent debts to be recovered over time when operating Time-based Debt Recovery in Prepayment Mode.

Specific Errors

Response codes and descriptions

No specific validation is defined for this SRV.

GBCS Use Case

Use cases, device coverage, and applicability

Use Case / Message Code

ECS190x002D

DUIS Applicability

v3.0 – v5.3

GBCS Applicability

v1.0 – v4.3

GBCS Criticality

Non-Critical

Sensitive Response

Yes

Future Dated

DSP

GBT

SMETS1 Applicable

Yes

Eligible Roles

EISESME

Use Case / Message Code

GCS140x0075

DUIS Applicability

v3.0 – v5.3

GBCS Applicability

v1.0 – v4.3

GBCS Criticality

Non-Critical

Sensitive Response

Yes

Future Dated

DSP

GBT

SMETS1 Applicable

Yes

Eligible Roles

GISGSMEGPF

DUIS Service Definition

Data items and DCC processing

Request data items

Table 131: ReadInstantaneousPrepayValues (sr:FutureDatedAbstractType) data items

Data Item	Description / Allowable values	Type	Mandatory	Default	Units
ExecutionDateTime	A User shall only add this Data Item to the Service Request where they require the Service Request to be executed at a future date and time. The UTC date and time the User requires the command to be executed on the Device. Date-time in the future that is either <= current date + 30 days or the date = ‘3000-12-31T00:00:00Z’	xs:dateTime	No	N/A	UTC Date-Time

DUGIDS service matrix

DUGIDS DS.0226 Table 36 footnote extract

Footnote	Extract	Column	Cell Value	Source
7	Service Request can’t be Sequenced for Gas, because the DCC can’t read the encrypted status returned by the Device	Service Reference Variant	4.3	DS.0226 Table 36 Service Request Matrix

Message Patterns & Examples

Pattern explorer

Open Message Patterns →

SMETS1 Supporting Requirements

Device-model variations and equivalent steps

Review the Section 18 requirements and their applicability across the documented manufacturer, Device Type, model, and firmware profiles.

Open S1SR Requirements →