ABB ACS355 User Manual

Fieldbus control with embedded fieldbus 311
 Reference handling
The control of rotation direction is configured for each control location (EXT1 and
EXT2) using the parameters in group 10 START/STOP/DIR. Fieldbus references are
bipolar, ie they can be negative or positive. The following diagrams illustrate how
group 10 parameters and the sign of the fieldbus reference interact to produce the
reference REF1/REF2.
 Actual value scaling
The scaling of the integers sent to the master as Actual values depends on the
selected function. See chapter Actual signals and parameters on page 175.
Direction determined by
the sign of COMM
Direction determined by digital
command, eg digital input,
control panel
Par. 1003
DIRECTION =
FORWARD
Par. 1003
DIRECTION =
REVERSE
Par. 1003
DIRECTION =
REQUEST
Fieldbus
-163%
Max. ref.
–[Max. ref.]
-100% 100%
ref. 1/2
Resultant
REF1/2
163%
Fieldbus
-163%
Max. ref.
–[Max. ref.]
-100% 100%
ref. 1/2
Resultant
REF1/2
163%
Fieldbus
-163%
Max. ref.
–[Max. ref.]
-100% 100%
ref. 1/2
Resultant
REF1/2
163%
Fieldbus
-163%
Max. ref.
–[Max. ref.]
-100% 100%
ref. 1/2
Resultant
REF1/2
163%
Fieldbus
-163%
Max. ref.
–[Max. ref.]
-100%
100%
ref. 1/2
Resultant
REF1/2
163%
Fieldbus
-163%
Max. ref.
–[Max. ref.]
-100% 100%
ref. 1/2
Resultant
REF1/2
163%
Direction
command:
FORWARD
Direction
command:
REVERSE

ABB ACS355 Specifications

General

Input Voltage	200 V to 240 V AC, 380 V to 480 V AC
Frequency	47 Hz to 63 Hz
Control Method	Scalar control
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit
Communication Interfaces	Modbus RTU, CANopen
Enclosure Rating	IP20
Operating Temperature	-10°C to +50°C (14°F to 122°F)
Storage Temperature	-40°C to +70°C (-40 to +158 °F)
Humidity	95% RH (non-condensing)
Altitude	Up to 1000 m (3280 ft) without derating