send_ascii_4 - Read analog input

Calling Sequence

D=call('send_ascii_4',A,1,'i',B,2,'i',C,3,'i','out',[1,17],4,'c')

Parameters

• A: The Modbus station address
• B: Start address
• C: The data length
• D: The string to be send

Description

this function is to read analog input from modbus device

Examples

A=2

B=1001

C=2

D=call('send_ascii_4',A,1,'i',B,2,'i',C,3,'i','out',[1,17],4,'c') 
 
  

See Also

send_ascii_1; send_ascii_2; send_ascii_3; send_ascii_5; send_ascii_6;