Mitsubishi MELSEC iQ-F FX5 series Programming Manual page 617

Common items among the FROMD(P), DFROD(P), TOD(P), and DTOD(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).
Module
No. 1
Intelligent
CPU I/O
function
module
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
K4294967295.
• The number of read data is specified by (n), and the setting range is from K1 to K65535.
Specified device Specified BFM
BFM#5
D100
D101
D102
D103
D104
n = 5
Module
No. 2
Extension Intelligent
I/O
power function
module
supply unit module
#6
#7
#8
#9
Module Module Module
No. 3 No. 4 No. 5
Intelligent Bus Intelligent
function conversion function
module module module
7 APPLICATION INSTRUCTION
7.21 Module access instruction
7
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