Mitsubishi 00JCPU User Manual page 308

Table6.35 High speed I/O refresh setting and high speed buffer transfer setting
Item Setting item
Points (DEC.)
High speed I/O Start (HEX.)
refresh setting
End (HEX.)
Starting I/O No. (HEX.)
Points (DEC.)
High speed buffer
Buffer memory start
transfer setting
Buffer memory end
PLC side device start
PLC side device end
*1: Only multiples of 16 can be set for both the start device number and the number of transferred bits.
*2: The AnS/A series special function modules are not included because the AnS/A series extension base unit (QA1S5 B, QA1S6 B,
QA1S6ADP+A1S5 B/A1S6 B, QA6 B, and QA6ADP+A5 B/A6 B) cannot be connected.
If connected, "PARAMETER ERROR" (error code: 3006) occurs.
This "PARAMETER ERROR" (error code: 3006) also occurs when an error is detected during the intelligent function module mounting
status check or buffer memory size check.
*3: An odd address is allowed only when the specified number of transferred words is 1.
Use of a main base unit is recommended for these functions.
(Access time to modules mounted on a main base unit is shorter than access time to modules on an extension base unit.)
(2) Execution of the high speed I/O refresh and high speed buffer transfer
functions
These functions are executed when all of the following conditions are satisfied.
• The EI instruction is being executed.
• The CPU module is in the RUN status.
• The high speed interrupt pointer (I49) is not masked by the IMASK instruction.
(By default, it is not masked.)
For the IMASK and EI instructions, refer to the following.
MELSEC-Q/L Programming Manual (Common Instruction)
6 - 128
Description
Number of transferred bits
(16 to I4096)
Start device number
(X0 to X0FF0/Y0 to Y0FF0)
End device number
(X00E to X0FFF/Y00E to
Y0FFF)
Starting I/ONo. 10 H
(0 to FF )
H
Number of transferred
words
Start address
(0 to FFFF )
H
End address
(FFFD to FFFF )
H
Start device number
End device number
Restriction
• I/O modules and intelligent function
modules only
• Specify multiples of 16 only
Intelligent function modules only
• Intelligent function modules only
• Specify even addresses and even
*3
words only
D, W, R, and ZR only
Number of
settings
Up to six settings
for X input and Y
output,
*1
respectively
*2
Up to six settings
for read and write,
respectively