70
Installation
Fire detection and extinguishing system
4.17
IFM16IO internal module wiring
Each of the 16 IN/OUT channels of the IFM16IO module(
paragraph 3.20 - [C]
) can be configured as non-supervised input
or output.
If the connection requires, the module has AUX terminals (
paragraph 3.20 - [D]
) for a 27V ancillary power supply.
Each connection to this channel must be carried out in accordance with the indications in
paragraph 4.6.1
.
Cables:
2 wire shielded cable
Proper section (minimum 0.5mm², maximum 2.5 mm²)
Compliant with local laws and regulations in force
Connection of devices to channels configured as output
Connection of devices to channels configured as input
4.18
IFMLAN internal module wiring
The screw terminals of the IFMLAN module (
paragraph 3.14 - [F]
) are not available for any type of connection. For future
use
4.19
IFMEXT internal module wiring
The IFMEXT module provides 7 terminals for the connection of signalling, activation and control devices linked to the
apparatus of the fire extinction system.
• 3 input terminals:
- PRESSOS. (
paragraph 3.16 - [C]
)
- STOP-EXT (
paragraph 3.16 - [D]
)
- MAN-EXT (
paragraph 3.16 - [E]
)
• 4 output terminals:
- VALVE (
paragraph 3.16 - [F]
)
- HOLD (
paragraph 3.16 - [G]
)
- PRE-EXT (
paragraph 3.16 - [H]
)
- RELEASED (
paragraph 3.16 - [I]
)
Each connection to these terminals must be completed following the instructions in
paragraph 4.6.1
.
Cables:
2 wire shielded cable
Proper section (minimum 0.5mm², maximum 2.5 mm²)
Compliant with local laws and regulations in force
Ch x
AUX +
AUX -
Ch x
AUX +
AUX -
