Mitsubishi Electric MELSEC iQ-F FX55-ASL-M, User Manual

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5 SYSTEM CONFIGURATION
5.2 Power Supply to the AnyWireASLINK System
41
5
5.2
Power Supply to the AnyWireASLINK System
Method of supplying the power to the slave module
Connect a 24 V DC external power supply to the FX5-ASL-M.
The power consumed in the internal control circuits of all the slave modules and the external load power connected to non-
isolation slave modules are supplied collectively from the 24 V DC external power supply connected to the FX5-ASL-M. (

Page 16 Power Supply Specifications)
Scope of the power supply with transmission cables (DP and DN)
The current consumption of the system must satisfy all the following conditions for an FX5-ASL-M.
Item Calculation formula Description
Condition 1 I(A) = (Ihin

m) + (Iho

n) + (Izdin

p) +
(Izdo

q)

The maximum value of
transmission cable supply current
Ihin: Current consumption of the non-isolation input slave module/I/O combined slave module
Iho: Current consumption of the non-isolation output slave module
Izdin: Current consumption of the isolation input slave module/I/O combined slave module
Izdo: Current consumption of the isolation output slave module
m: Number of connected non-isolation input slave modules/I/O combined slave modules
n: Number of connected non-isolation output slave modules
p: Number of connected isolation input slave modules/I/O combined slave modules
q: Number of connected isolation output slave modules
Condition 2 Vm(V) -

V(V)

20 V Vm: Supply voltage for the FX5-ASL-M

V: Cable-to-cable voltage drop
Condition 3 Vm(V) -

V(V)

The lowest allowable
voltage of the connected load