Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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998
7 APPLICATION INSTRUCTIONS
7.23 File Register Read/Write Instructions
Processing details
• Without recognizing block numbers, these instructions write the lower 8-bit data stored in the device specified by (s2) to the
file register with the serial byte number specified by (s1). The instructions ignore upper 8-bit data in the device specified by
(s2).
• The following figure shows the file register numbers corresponding to serial byte numbers.
Ex.
When 12340 is specified in (s1), data is written to the lower 8 bits of ZR11170.
Ex.
When 43257 is specified in (s1), data is written to the upper 8 bits of ZR21628.
Operation error
(1) Data areas when an odd number is specified
(2) Data areas when an even number is specified
(1) Specifying the write-target area
(2) Ignored
(1) Specifying the write-target area
(2) Ignored
Error code
(SD0) Description
2820H The specified device number (serial byte number) is out of range.
∙∙∙
∙∙∙
(s2)
b15 b8 ∙∙∙ b7 b0 ∙∙∙
(s1)
ZR0
ZR32767
ZR32768
ZR65535
ZR65536
Serial byte number
Specifying the
write-target area Writing data to the
file register
File register
Areas for the block
No.0
Areas for the block
No.1
Areas for the block
No.2
Data to be written to the file register
Ignored.
b15 b8 ∙∙∙ b7 b0 ∙∙∙
ZR0
ZR2500
ZR2502
ZR2501
ZR2503
ZR1
ZR2
∙∙∙
No.0 No.1
No.2 No.3
No.4 No.5
No.5000 No.5001
No.5002 No.5003
No.5004 No.5005
No.5006 No.5007
(2)
(1)
(s2)
b15 b8 ∙∙∙ b7 b0 ∙∙∙ b15 b8 ∙∙∙ b7 b0 ∙∙∙
ZR6170 43H 21H 54H (s1) 12340
b15 b8 ∙∙∙ b7 b0 ∙∙∙
43H 54H
(1)
(2)
(s2)
b15 b8 ∙∙∙ b7 b0 ∙∙∙ b15 b8 ∙∙∙ b7 b0 ∙∙∙
ZR21628 12H 50H 43H (s1) 43257
b15 b8 ∙∙∙ b7 b0 ∙∙∙
43H 50H
(1)
(2)