ABB ACS355 series User Manual

Actual signals and parameters 275
4007 UNIT SCALE Defines the decimal point location for PID controller actual
values.
1
0…4 Example: PI (3.141593) 1 = 1
4008 0% VALUE Defines together with parameter 4009 100% VALUE the
scaling applied to the PID controller’s actual values.
0.0
x…x Unit and range depend on the unit and scale defined by
parameters 4006 UNITS and 4007 UNIT SCALE.
4009 100% VALUE Defines together with parameter 4008 0% VALUE the
scaling applied to the PID controller’s actual values.
100.0
x…x Unit and range depend on the unit and scale defined by
parameters 4006 UNITS and 4007 UNIT SCALE.
4010 SET POINT
SEL
Selects the source for the process PID controller reference
signal.
INTERNA
L
KEYPAD Control panel 0
AI1 Analog input AI1 1
AI2 Analog input AI2 2
COMM Fieldbus reference REF2 8
COMM+AI1 Summation of fieldbus reference REF2 and analog input
AI1. See section Reference selection and correction on
page 320.
9
COMM*AI1 Multiplication of fieldbus reference REF2 and analog input
AI1. See section Reference selection and correction on
page 320.
10
All parameters
No. Name/Value Description Def/FbEq
4007 value Entry Display
0 00003 3
1 00031 3.1
2 00314 3.14
3 03142 3.142
4 31416 3.1416
4009
Units (4006)
Scale (4007)
4008
-1000%
+1000%
Internal
scale (%)
100%0%

ABB ACS355 series Specifications

General

Power Range	0.37 to 22 kW
Protection Class	IP20
Output Frequency	0 to 500 Hz
Braking Chopper	Built-in
Control Method	Scalar control, Vector control
Ambient Temperature	-10 to +50 °C
Communication Protocols	Modbus, CANopen
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature
Cooling Method	Air-cooled
Number of Phases	3-phase