Moeller DF51 - Page 137

10/05 AWB8230-1541GB
PID control
133
Figure 137:Block diagram, PID control (cont.: a fig. 138)
a w = reference value channel
b x = actual value channel (process variable PV)
F001
Modbus
CAL
00
w
01
02
03
10
A001
00
01
02
03
A005
00
01
02
10
A076
32154
C005 ... C001
16
02 (LSB) ... 05 (MSB)
A011
A012
A015
A013
A014
A075
1/x F001 d004
L
0... 10 V
4... 20 mA
OI
O
R
i
= 10 kO
R
B
= 250 O
A020
...
A035
O/OI
AT: O/OI
O + Pot.
OI + Pot.
a
x
b
...
A
RUN
PRG
Hz
PRG
ENTER
IO
POWER
ALARM