Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual page 724

Common items among the FROM(P), DFROM(P), TO(P), and DTO(P) (details)
• Use the module number to specify which Intelligent function module the instruction works for. The setting range is from H1
to H10 (K1 to K16).
CPU I/O
module
module
• A module number is automatically assigned to each intelligent function module connected to a CPU module. The module
number is assigned in the way "No. 1  No. 2  No. 3 ..." starting from the equipment nearest the CPU module.
• 16-bit RAM memories are built in an intelligent function module, and they are called buffer memories. The contents of buffer
memories vary depending on the purpose of control of each Intelligent function module, and the setting range is from K0 to
K65535.
• The number of read data is specified by (n), and the setting range is from K1 to K65535.
Specified device
D100
D101
D102
D103
D104
n = 5
• If this instruction is executed in an interrupt program with the priority 1, operation error (3580H) occurs. This instruction
operates in an interrupt program with the priority 2 or 3.
• If this instruction is executed to an FX3 intelligent function module within an interrupt program, operation error (3580H)
occurs.
8 APPLICATION INSTRUCTION
722
8.26 Module Access Instruction
Module Module
No. 1 No. 2
Intelligent Extension Intelligent
function power function
module supply unit module
Specified BFM
BFM#5
#6
#7
#8
#9
Module Module
No. 3 No. 4
Intelligent Bus
I/O
function conversion
module
module module
Module
No. 5
Intelligent
function
module