- For extension of the covered site area for gas detection sensors.
- 4 relays for external alarm device circuits per expansion module.
- Up to 7 Expansion modules per Controller possible; allows additional 7 segments with a total of 7200 meters wiring and a total of 32 relays for alarm device circuits.
- Flexible connection to local gas detection units by either Analog or RS485 fieldbus communications.
- Located in Controller Solution or in the field.
The gas detection Controller Expansion module is used for expansion of the cable coverage in terms of number of fieldbus loops and the total wire length.