Mitsubishi Electric M800VW Series Programming Manual page 959

M800V/M80V Series PLC Programming Manual (2/2)
16 External PLC link
16.1 CC-Link
Control data
RIRD instruction
Device Item
Completion status
(S1) + 0
Station No.
(S1) + 1
Access code
Attribute code
(S1) + 2
(S1) + 3 Device No.
Number of points to read Specify the read data count (in word units).
(S1) + 4
RIRW instruction
Device Item
Completion status
(S1) + 0
Station No.
(S1) + 1
Access code
Attribute code
(S1) + 2
(S1) + 3 Device No.
Number of points to write Specify the number of data to write (in word units).
(S1) + 4
(*1) User: A user sets the data before executing the exclusive instruction.
System: NC stores the execution result of the exclusive instruction.
(*2) Refer to the manuals of the local or intelligent device station where reading is performed.
(*3) Indicates the maximum number of data to be read.
Specify the value within the receive buffer area setting range which has been set by the parameter.
(*4) To read the PLC CPU's devices when the counterpart CPU is other than QCPU (Q mode), QCPU (A mode) and
QnACPU/AnUCPU, the setting range shall be 1 to 32 words.
IB-1501668-B
Setting data
Stores the status when the instruction is complete.
0: No error (normal completion)
Other than 0 : Error code
Specify the station numbers of the local and intelligent device sta-
tions.
b15 b8 b7
Access code
Specify the device start number.
Setting data
Stores the status when the instruction is complete.
0: No error (normal completion)
Other than 0 : Error code
Specify the station numbers of the local and intelligent device sta-
tions.
b15 b8 b7
Access code
Specify the device start number.
938
-
0 to 64
Refer to
b0
"Access
code/Attri-
bute code".
Attribute code
(*2)
1 to 480 (*3)
1 to 32 (*4)
-
0 to 64
Refer to
b0
"Access
code/Attri-
bute code".
Attribute code
(*2)
1 to 480 (*3)
1 to 10 (*4)
Setting Data is set by
range (*1)
System
User
User
User
User
Setting Data is set by
range (*1)
System
User
User
User
User