Application macros 109
PID control macro
This macro provides parameter settings for closed-loop control systems such as
pressure control, flow control, etc. Control can also be switched to speed control
using a digital input. To enable the macro, set the value of parameter
to 6 (
).
For the parameter default values, see section
Default values with different macros
on
page
. If you use other than the default connections presented below, see section
Note:
Parameter
must remain in the default setting 0 (
).
Default I/O connections
X1A
1
SCR
Signal cable shield (screen)
2
AI1
Output freq. ref. (Hand) / Process ref. (PID)
: 0…10 V
1)
3
GND
Analog input circuit common
4
+10V
Reference voltage: +10 V DC, max. 10 mA
5
AI2
Process actual value
: 4…20 mA
3)
6
GND
Analog input circuit common
7
AO
Output frequency value
: 0…20 mA
8
GND
Analog output circuit common
9
+24V
Auxiliary voltage output: +24 V DC, max. 200 mA
10 GND
Auxiliary voltage output common
11 DCOM
Digital input common
12 DI1
Stop (0) / Start (1) (Hand)
13 DI2
Hand (0) / PID (1) control selection)
14 DI3
Constant speed 1
15 DI4
Run enable
16 DI5
Stop (0) / Start (1) (PID)
X1B
17 ROCOM
Relay output 1
No fault [Fault (-1)]
18 RONC
19 RONO
20 DOSRC
Digital output, max. 100 mA
No fault [Fault (-1)]
21 DOOUT
22 DOGND
max. 500 ohm
1…10 kohm
2)
1)
Hand: 0…10 V -> output freq. reference.
PID: 0…10 V -> 0…100% PID setpoint.
2)
360 degree grounding under a clamp.
3)
The signal source must be powered
externally. See the manufacturer’s
instructions. An example of a connection
using a two-wire sensor is given on page
.
Tightening torque: 0.4 N·m (3.5 lbf·in).
Aotewell Ltd
www.aotewell.com
Industry Automation
HongKong|UK|China
+86-755-8660-6182
