ABB ACS255 User Manual page 45

46
Parameters in the Long parameter mode
Index Name/Selection
9 : RESERVED.
10 : RESERVED
11 : RESERVED.
12 : DRIVE TRIPPED
13 : STO STATUS
1404 RELAY OUTPUT
HYSTERESIS CONTROL
0.0...25%
15 ANALOG/DIGITAL
OUTPUTS
1501 ANALOG OUTPUT 1
(TERMINAL 8) FUNCTION
SELECT
0 : DRIVE ENABLED
(RUNNING)
1: DRIVE READY
2 : AT TARGET FREQUENCY
(SPEED).
3 : OUTPUT FREQUENCY
> 0.0
4 : OUTPUT FREQUENCY
>= LIMIT
5 : OUTPUT CURRENT >=
LIMIT
6 : MOTOR TORQUE >=
LIMIT
7 : ANALOG INPUT 2
SIGNAL LEVEL >= LIMIT.
8 : OUTPUT FREQUENCY
(MOTOR SPEED).
9 : OUTPUT (MOTOR)
CURRENT.
10 : MOTOR TORQUE.
11 : OUTPUT (MOTOR)
POWER
1504 ANALOG OUTPUT 1
(TERMINAL 8) FORMAT
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Description
No Function
No Function
No Function
Logic 1 when the drive has tripped and the display shows the fault code.
Logic 1 when both STO inputs are present and the drive is able to be operated
This parameter works in conjunction with parameter 1501 ANALOG OUTPUT 1 FUNCTION
SELECT and 1507 ANALOG OUTPUT 2 FUNCTION SELECT = 2 or 3 to set a band around the
target speed (1501 = 2) or zero speed (1501 = 3). When the speed is within this band, the
drive is considered to be at target speed or Zero speed.
This function is used to prevent "chatter" on the relay output if the operating speed
coincides with the level at which the digital / relay output changes state. e.g. if parameter
1507 ANALOG OUTPUT 2 FUNCTION SELECT = 3, 2008 MAXIMUM FREQUENCY/SPEED LIMIT =
50Hz and parameter 1404 = 5%, the relay contacts close above 2.5Hz
Analog output signal processing
Selects the type of output signal information indicated from terminal 8.
Note :
When using settings 0 – 7 the output is a digital format (Logic 1 = 24V).
When using settings 8– 11 the output is an analog format.
Note : When using settings 4 – 7, parameters 3203 ADJUSTABLE THRESHOLD 1 UPPER LIMIT
and 3202 ADJUSTABLE THRESHOLD 1 LOWER LIMIT must be used together to control the
behaviour. The output will switch to Logic 1 when the selected signal exceeds the value
programmed in parameters 3203 ADJUSTABLE THRESHOLD 1 UPPER LIMIT, and return to
Logic 0 when the signal falls below the value programmed in 3202 ADJUSTABLE THRESHOLD
1 LOWER LIMIT.
Logic 1 when the ACS255 is enabled (Running)
Logic 1 When no Fault condition exists on the drive
Logic 1 when the output frequency matches the setpoint frequency
Logic 1 when the motor runs above zero speed
Logic 1 when the motor speed exceeds the adjustable limit. (See note above)
Logic 1 when the motor current exceeds the adjustable limit. (See note above)
Logic 1 when the motor torque exceeds the adjustable limit. (See note above)
Logic 1 when the signal applied to the Analog Input 2 exceeds the adjustable limit. (See note
above)
0 to Parameter 2008 MAXIMUM FREQUENCY/SPEED LIMIT
0 to 200% of Parameter 9906 MOTOR RATED CURRENT
0 to 200% of motor rated torque
0 to 150% of drive rated power
Selects the type of output signal from terminal 8
0 to 10V
10 to 0V
0 to 20mA
20 to 0mA
4 to 20mA
20 to 4mA
Def
0.3%
8 : Output
Frequency
(Motor
Speed)
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