COTRUST CTH200 Series - Page 199

CTH200 Series PLC User Manual
189
constant or
variable
Td
Td
Word, int,
constant or
variable
0~3600
Unit: s
Heating
Heating-output
Bit
Cooling
Cooling-output
Bit
PV
Measurement(
feedback
value)
Word, variable
-2000~32767
Unit: 0.1℃
PID_out
PID analog
output
Word, int,
variable
Only define heat
output: 0-32000.
Cool output:
-32000~32000
※ Control word bit address
Control word bit address definition:
Bit
Setting
Note
0
0
PID stop
1
PID run
1
0
Integral always work, Kp do not self-tuning
1
Integral separate Kp self-tuning
2
0
PID unipolar output
1
PID bipolar output
3
0
Reserved
1
Reserved
4
0
Integral works
1
Integral does not work
5
0
Differential works
1
Differential does not work
6
-
Reserved
7
-
Reserved
※ PID address and parameter configuration
• PID address calculation formula
Address name
Formula
Note
PID parameter address
A=(2048+S*256)+16*C
S is slot where module
is(range: 0~6)
C means channel,
231-7HF is 0~7
PID positive pulse output address
X=(2048+S*256)+12
PID negative pulse output address
Y=(2048+S*256)+13
• PID parameter output (modules to CPU)
Items
Address
Value set range
Actual value
Actual temperature
VW A
0~13000
0~1300°
Status Word
VW A+2
PID analog output
VW A+4
-32000~32000