LACROIX Sofrel S4W - EDF Communication Module; EDF Communication Function; EDF Technical Specifications

EDF communication module
EDF communication module
This module makes it possible for the RTU to communicate over a ‘2 wire remote data’ link (ERDF modulation at 1200 baud/50 KHz) for
reading data coming from an ERDF meter (
BLUE, YELLOW, or GREEN type).
• I1: ’EDF Remote data’ link
• I2: ’EDF Remote data’ link
Example of connection:
Technical specifications
- Cable:
- Use a ‘1 pair’ cable , SYT+ AWG24 ∅ = 5/10
ths
- Maximum distance: 300 metres.
- Meters:
- Use one EDF module per meter.
- The remote terminal unit can communicate with up to 3 electrical meters of different types:
BLUE, YELLOW
,
or GREEN.
Remote Data Serial Link