Lg Electronics G4F-AD3A 사용자 설명서

8 - 1 

 

The following example program shows how to set the operation condition for buffer memory of 

A/D conversion module. In this example, assume that the A/D module is mounted on the slot 2. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Slot 

number 

Buffer 

memory 

Data 

No. of 
words 

Channel to be used 
(use channel 0, 1, and 3) 

Assign analog input 
range (DC4 ~ 20mA) 

Assign average 
processing channel 

(channel 0 and 3) 

Set Averaging count of 
channel 0 (100 times) 

Set Averaging count of 
channel 3 (50 times) 

Validate the new setting 
value 

Execution 

condition 

Execution 

condition 

Slot 

number 

Buffer 

memory 

Destination  

of data 

No. of 
words 

Read the A/D converted 
value of channel 0, and 
store it into D0108 

Read the A/D converted 
value of channel 1, and 
store it into D0109 

Read the A/D converted 
value of channel 3, and 
store it into D0111 

Read the operating 
status, and store it into 
D0112 

Read the error code of 
channel 0, and store it 
into D0113 

Read the error code of 
channel 3, and store it 
into D0114 

Read the error code of 
channel 4, and store it 
into D0116