LACROIX Sofrel S4W - Power Balance and Converter Selection; 24 VDC Converter Type Options; S4 W Article Power Consumption; Power Supply Selection Guide

Power balance
Power balance
Choice of District/24 VDC converter type
If there is no 24 VDC source in the electrical control panel, it is necessary to use a "24 V DC" converter box
According to the hardware configuration of the remote terminal unit, 2 references are available:
•
40 W (60°C MAX)
•
90 W (70°C MAX)
The user must define the DIN Rail power supply model using the below table and summary:
S4W article
Maximum
consumption
- S4W Compact and 3 COM modules 24
W
- I/O DI module
2.4
W
- I/O DO module 2.4
W
- I/O AI-mA module
9.6
W
- I/O AI-T module 2.4
W
-
I/O AO module
6
W
- S4W-Display 6
W
According to the hardware configuration of the product and the operating temperature, the necessary power can be calculated easily:
Temperature
Range
-20/+60°C
-20/+70°C
Power supply choices
24V DIN rail
Power supply
40W
> 40W and < 90W
< 40W
Power supply
90W
Power