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Operating & Maintenance Instructions
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Honeywell - M450 001 1D - 23.05.2019
21. COMMUNICATIONS
A Communications Hub complying with the DCC ICHI Specification may be mounted on the meter. The meter provides a
nominal 12V DC power supply for use by the Comms Hub and communicates to the Comms Hub using ZigBee protocol.
21.1. Local Communications Port
The meter does not support an Optical Port. No Non-Operational Interfaces are available from the meter.
21.2. Direct Communications Connection to the Comms Hub
The Comms Hub Interface allows provision for a Hardwired Interface between the Meter and the Module.
This feature is not supported by the AS302P meter.
21.3. HAN Communications Connections to the Comms Hub
The meter provides a HAN Interface that conforms to the following standards:
ZigBee Alliance as compliant with the ZigBee SEP v1.2b
Requirements described in the Great Britain Companion Specifications v1.1
This HAN Interface allows the meter to join a ZigBee SEP v1.2b Smart Metering Home Area Network which:
•
Operates within the 2400
– 2483.5 MHz Harmonised Frequency Band
•
Supports the Communications Links as follows:
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Link to a Communications Hub
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Communications Link with Type 1 Devices Type 2 Devices
•
Support Security Credentials for each device:
-
Add Security Credentials for Type 1 and Type 2
- Device Credentials are stored in a Device Log
- These will be verified
- Command and outcome are stored in the Security Log
-
Remove Security Credentials for Type 1 and Type 2 Devices
- Remove them from the Device Log
- Command and outcome recorded in the Security Log
-
Replace Security Credentials for Type 1 and Type 2 Devices
-
Maintaining the Command’s Transactional Atomicity
- Command and outcome recorded in the Security Log
•
Capable of Executing the Commands set out in GBCS
-
Immediate or future dated (UTC defined)
-
Future dated commands can be overwritten if they require cancelling, an appropriate response will be
sent to acknowledge this cancellation
-
All Commands received and their outcomes are logged in the Event Log
-
The meter capability includes
- Sending out commands as described in GBCS
- Receiving corresponding Responses
- Where required by a Response, taking the relevant action
- Control of HAN Connected Auxiliary Load Control Switches
Содержание AS302P
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