Section 6 Wiring Fuse dimensions
M&I – AC 900F Controller 89
A single power supply unit can be used for both supply voltages. The CPU module
and the I/O modules should, however, be provided with separate fuse protection. As
a matter of course, separate power supply units can also be used.
Fuse dimensions
To select the appropriate fuses for the station, the power consumption and the inrush
currents (melting integral of the upstream fuse) must be taken into account.
Module type PM 902F and PM 901F
Power supply L+ and M terminals
Voltage 24 V DC
Current consumption 1 A
Power consumption 24 W (entire station)
Make sure that the power supply unit used is rated for the required inrush current.
Module type PM 902F and PM 901F
Total melting integrals 22 A
2
s
Rated current 4.0 A
Characteristic AT high breaking capacity
Recommended fuse protection Type IEC/EN60127-2/V
Dimensions Glass tube fuse, 5x20 mm
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