Toshiba PROSEC T1 User Manual page 265

FUN 237 READ
Expression
Input -[ A READ B ® C ]- Output
Function
When the input is ON, this instruction reads data from the buffer memory of the special module that is
designated by operand A , and stores them in registers starting with operand C .
The transfer source address (buffer memory address) is designated by operand B .
The transfer size (number of words) is designated by operand B+1 .
This instruction is only effective for the T2 I/O modules connected to the T1-40 or T1-40S.
Execution condition
Input
OFF No execution
ON Normal execution
When error is occurred (see Note)
Operand
Name
A Special module
B Transfer
parameter
C Destination
Example
When R010 is ON, the buffer memory data of the size indicated by RW51, starting with the
address indicated by RW50 of the special module allocated to XW06, are read and stored in
D0100 and after.
XW06 special module
Buffer memory
H8000 1234
H800F 5678
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Special module data read
Operation
Device
X Y R S T. C. XW YW RW SW T
16 words
Output
OFF
ON
ON
Register
C
Ö Ö
Ö Ö Ö Ö Ö Ö
Ö Ö Ö Ö Ö
T1/T1S
RW50
RW51
READ D0100
D0115
Basic Hardware and Function
7. Instructions
ERF
-
-
Set
Constant Index
D I J K
H0004 -
H0007
Ö
Ö
H8000
16
1234
5678
6F3B0250
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