LG Industrial Systems G3F-DA4I, Руководство пользователя

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Chapter 4. FUNCITION BLOCK
4 - 3
4.2.2 Module Write_ Array Type (G3F-DA4V / G3F-DA4I : DA4AWR, G4F-DA1A : DA1AWR)
Module write function block of the Array type is a program for the use in performing for every channel in
block and setting a digital value to be converted into a D/A conversion.
Function
Block
I/O Variable Data
Type
Descriptions
REQ BOOL Function Block Execution Request Area
-The execution of function block initialization is requested in this area.
-If the status connected with this area is satisfied on the program
execution and 0 is changed to 1, function block for the module is
executed.
BASE USINT Base Location Number Area
-The base No. on which D/A conversion module is mounted is written on
this area.
-Setting range : GM1 series( 0 to 31 ), GM2 series( 0 to 7), GM3/4
series( 0 to 3)
SLOT USINT Slot Location Number Area
-The slot No. on which D/A conversion module is mounted is written on
this area.
-Setting range: 0 to 7
CH BOOL
[Array]
*
Note1
Available Channel Specification Area
-Available channels are specified in this area.
-Enabled channels are specified to 1 and disabled channels are specified
input
DATA INT
[Array]
*
Note1
Input Data Type Specification Area
-Input digital data type for each channel is specified in this area.
DONE BOOL Function Block Execution Complete Area
- When function block has been completed with no error, 1 is written and
until next execution, 1 is continuing. When error occurs, 0 is written and
operation come to stop.
STAT USINT Error Code Display Area
- When error occurs during function block processing, the error code
number is written.
- For error code, refer to Section 4.4.
output
ACT BOOL
[Array]
*
Note1
Channel Operation Display Area
- Enabled channel specified after executing the function block with no
error is normal, 1 is written and, 0 is written to the non-specified channel.
REMARK
* Note 1: The number of Array are the G3F-DA4V and G3F-DA4I of 16 and the G4F-DA1A of 2