Service Reference Variant

4.15 · Read Load Limit Data

Service details

Identifiers, rules, and applicability

Service reference: 4.15
Service Reference Variant: 4.15
DUIS section: 3.8.39
Command variants: 1, 2, 3
DUIS possible responses: AcknowledgementService Response from Device - GBCSPayloadService Response from Device - DSPScheduledMessage FormatResponse to a Command for Local Delivery Request - LocalCommand FormatCountersigned SMETS1 Response
Critical: No
Sensitive response: No
Protection against replay: No
On demand: Yes
Future dated: DSP
DSP scheduled: Yes
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.

ECS275 attributes0x0042ESME

Specification	Item	Reference	Description
SMETS	Load Limit Period	5.7.4.19	The length of time in seconds which the Active Power Import [INFO](5.7.5.4) needs to continuously exceed the Load Limit Power Threshold(5.7.4.20) before a load limiting event is deemed to have occurred.
SMETS	Load Limit Power Threshold	5.7.4.20	The Active Power threshold in kW above which the measurement of a Load Limit Period(5.7.4.19) is commenced.
SMETS	Load Limit Restoration Period	5.7.4.21	The length of time in seconds after the Supply has been Armed following a Load Limiting Event before the Supply is Enabled by ESME.
SMETS	Load Limit Supply State	5.7.4.22	A setting to control the state of the Supply in the case of a load limiting occurring, being Disabled or unchanged.
SMETS	Load Limit Counter	5.7.5.18	The number of times the Active Power Import [INFO](5.7.5.4) has exceeded, for the Load Limit Period(5.7.4.19), the Load Limit Power Threshold(5.7.4.20) since last cleared.

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

ECS270x0042

DUIS Applicability

v3.0 – v5.3

GBCS Applicability

v1.0 – v4.3

GBCS Criticality

Non-Critical

Sensitive Response

Future Dated

DSP

GBT

SMETS1 Applicable

Yes

Eligible Roles

EISENOESME

DUIS Service Definition

Data items and DCC processing

Request data items

Table 153: ReadLoadLimitData (sr:ReadDataFutureDated) 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	None	UTC Date-Time

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 →