12-11
Applications
650G AC Drive
Application 5: PID
A simple application using a Proportional-Integral-Derivative 3-term controller. The setpoint is taken from AIN1, with
feedback signal from the process on AIN2. The scale and offset features of the analogue input blocks may be used to
correctly scale these signals. The difference between these two signals is taken as the PID error. The output of the PID
block is then used as the drive setpoint.
10k Speed
Setpoint
User Relay
10
9
8
7
6
5
4
3
2
1
RL1A
RL1B
13
12
11
WIRE
SINGLE
STARTING
DOUT3 (relay)
Control
Terminal
DEMAND (0 V = 0%, 10V = 100%)
4 mA = 0%, 20 mA = 100%
RELAY SOURCE
HEALTH i.e . 0 V = not healthy
= 0
= 3
= 1
= 1
A or V
= 4-20mA
default source
0 V = 0%, 10 V = 100%
DIN7 (ENCB)
DIN6 (ENCA)
DIN5
DIN4
DIN3
DIN2
DIN1
+24V
AOUT1
AOUT2
AIN2
AIN1
0V
unused
unused
COAST STOP
NOT STOP
JOG
REMOTE REVERSE
RUN FORWARD
24V
RAMP OUTPUT
+10V REF
PROCESS FEEDBACK
PROCESS SETPOINT
0V
24V = RUN FWD & RUN REV signals latched,
0V = RUN FWD & RUN REV signals not latched
24V = jog
0V = remote forward, 24V = remote reverse
24V = run forward
24V = coast to stop 0V = drive may run
5
AOP1
5
IP23
5
IP13
5
DOP3
