ABB ACS255 User Manual

52
Parameters in the Long parameter mode
Index
Name/Selection
Description
Def
32 SUPERVISION
Signal supervision. The drive monitors whether certain user selectable variables are within
the user-defined limits. The user may set limits for speed, current etc. Supervision status can
be monitored with relay output. See parameter group 14 RELAY OUTPUTS.
3202
ADJUSTABLE THRESHOLD
1 LOWER LIMIT (ANALOG
OUTPUT 1 / RELAY
OUTPUT 1)
Used in conjunction with some settings of parameter 1501 ANALOG OUTPUT 1 (TERMINAL 8)
FUNCTION SELECT & parameter 1401 USER RELAY 1 OUTPUT (TERMINALS 14, 15 & 16)
FUNCTION SELECT.
0.0 %
0.0 %…3203
3203
ADJUSTABLE THRESHOLD
1 UPPER LIMIT (ANALOG
OUTPUT 1 / RELAY
OUTPUT 1)
Used in conjunction with some settings of parameter 1501 ANALOG OUTPUT 1 (TERMINAL 8)
FUNCTION SELECT & parameter 1401 USER RELAY 1 OUTPUT (TERMINALS 14, 15 & 16)
FUNCTION SELECT.
100.0 %
3202...200.0 %
3205
ADJUSTABLE THRESHOLD
1 LOWER LIMIT (ANALOG
OUTPUT 2 / RELAY
OUTPUT 2)
Used in conjunction with some settings of Parameters 1507 ANALOG OUTPUT 2 (TERMINAL
11) FUNCTION SELECT & 1402 USER RELAY 2 OUTPUT (TERMINALS 17 & 18) FUNCTION
SELECT.
0.0 %
0.0…3206
3206
ADJUSTABLE THRESHOLD
1 UPPER LIMIT (ANALOG
OUTPUT 2 / RELAY
OUTPUT 2)
Used in conjunction with some settings of Parameter 1507 ANALOG OUTPUT 2 (TERMINAL
11) FUNCTION SELECT & 1402 USER RELAY 2 OUTPUT (TERMINALS 17 & 18) FUNCTION
SELECT.
100.0 %
3205…200.0%
33 INFORMATION
Firmware update.
3399
FIRMWARE UPGRADE
ABB Internal use only.
34 PANEL DISPLAY
Selection of actual signals to be displayed on the drives front panel e.g. to display conveyer
speed in feet per second based on the output frequency
3400
DISPLAY SCALING FACTOR
Allow the user to display an alternative output unit scaled from an existing parameter. This
function is disabled if set to 0.
0.000
-30.000…30.000
3405
DISPLAY SCALING SOURCE
If parameter 3400 DISPLAY SCALING FACTOR set >0, the variable selected in parameter 3405
DISPLAY SCALING SOURCE is multiplied by the factor entered in 3400 DISPLAY SCALING
FACTOR, and displayed whilst the drive is running, with a ‘c’ to indicate the customer scaled
units.
0
0 : Motor Speed
Hertz/Rpm
1 : Motor Current
Ampere
2 : Analog Input 2
%
40 PROCESS PI SETUP
Process PI control parameter set
4001
PI PROPORTIONAL GAIN
PI Controller Proportional Gain. Higher values provide a greater change in the drive output
frequency in response to small changes in the feedback signal. Too high a value can cause
instability
1.0
0.0…30.0
4002
PI INTEGRAL TIME
CONSTANT
PI Controller Integral Time. Larger values provide a more damped response for systems
where the overall process responds slowly
1.0 s
0.0…30.0 s
4005
PI Operating Mode
0
0 : DIRECT OPERATION
Use this mode if an increase in the motor speed should result in an increase in the feedback
signal
1 : INVERSE OPERATION
Use this mode if an increase in the motor speed should result in a decrease in the feedback
signal
4010
PI Reference (Setpoint)
Source Select
Selects the source for the PI Reference / Setpoint
0
0
Digital Preset Setpoint. Parameter 4011 PI Digital Reference (Setpoint) is used
1
Analog Input 1 Setpoint
2
Analog Input 2 Setpoint
4011
PI Digital Reference
(Setpoint)
When parameter 4010 PI REFERENCE (SETPOINT) SOURCE SELECT = 0, this parameter sets
the preset digital reference (setpoint) used for the PI Controller
0 %
0.0…100.0 %
4016
PI Feedback Signal Source
Select
0
0
Analog Input 2
1
Analog Input 1

ABB ACS255 Specifications

General

Brand	ABB
Model	ACS255
Category	Controller
Language	English