Toshiba V Series User Manual page 90

Chapter 4 Appendix
4
78
Function
• When execution enable input E is FALSE (OFF), no data input is performed from
special module.
• When execution enable input E is TRUE (ON), data is transferred from the extended
memory in special module specified by the argument to the controller.
• The transfer source (slot in special module, top address of extended memory in
special module), transfer destination (controller internal variable), and transfer words
are specified with input arguments.
• If an execution error is detected, an error flag is set in S register.
• 1 to 256 words can be transferred.
• Direct I/O variable cannot be specified for transfer destination variable.
Input
FALSE(OFF) Not executed
TRUE(ON) Executed: Normal
Not executed: Error
[Special module internal extended memory]
Extended memory top
address
Exception handling
If any of the following error occurs, the error flag in S register is set to TRUE(ON) without
performing transfer:
• The specified special module is not installed or the special module cannot be
accessed for some reason.
• The specified module is not a special module.
• The transfer word exceeds 256W.
• The transfer source special module extended address is outside the range from 0 to
7FFF.
• The area specified by the transfer destination variable exceeds the allowed area.
• A direct I/O variable is specified for transfer destination variable.
Process
[Controller internal memory]
15 0
0
Transfer
N words
7FFFH
Output Error flag
⎯
FALSE(OFF)
⎯
TRUE(ON)
TRUE(ON) TRUE(ON)
15 0
Transfer
destination variable
N words
model 3000 Analog module User's Manual