COTRUST CTH200 Series - Page 193

CTH200 Series PLC User Manual
183
You can see new PID_T library under directory tree “Libraries” after installation.
※ Call PID_T library
Click “network” to add a function block, then double-click “PID_T” to get the function
block in “network”. As the following figure:
【PID_T library function explanation】
Address parameter explanation
Parameter
address
Explanation
Type
Value range
Note
LOOP
Belong to
which PID, no
repeat. Start
from 0.
Word,
constant or
variable
0-63
Control the loop ID
CTRL_WORD
Control Word,
control PID
run.
Word,
constant or
variable
Common control Word:
1) 16#03(Only heating
output with adaptive
function)
2) 16#07(Only cold
output with adaptive
function)
SP
Setting value
Word,
constant or
variable
-32768-32767
Unit: 0.1℃