Chapter 6 – Parameters
6-16
ACH 500 Programming Manual
Group 10.8 Ext
Communication
For external communication parameter settings, refer to the Remote Panel
Manual (SAGS700PAN-04) or the DMT 500 PC Manual (DMT500PC-US-04)
for information on the GS protocol parameters, or the ACS 500 Modbus
Manual (ACS500MODBUS-US-04) for information on the Modbus protocol
parameters.
Main 20
Drive Parameters
Group 20.1
Freq/Current Limits
These parameter values can be altered with the ACH 500 running, except those
marked with (O). The Range/Unit column in Table 6-10 shows parameter
values. The text following the table explains parameter values in detail.
Table 6-10 Group 20.1
1 MINIMUM FREQUENCY
Represents the minimum output frequency.
2 MAXIMUM
FREQUENCY
Represents the maximum output frequency.
3 FREQUENCY RANGE
To use the ACH 501 for frequencies higher than 120 Hz, you must first change
this parameter.
This parameter sets the range for all frequency parameters.
0 – 120 Hz
Default frequency range. Output frequency display to 0.01 Hz.
0 – 500 Hz
Extended frequency range. Available for ACH 501 only. Output frequency
display to 0.1 Hz.
CAUTION: Special application considerations must be taken into account for
high frequency operation.
Parameter
Range/Unit
Description
1 MINIMUM FREQUENCY
0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Operating range minimum
frequency.
2 MAXIMUM FREQUENCY
0 – 500 Hz (ACH 501)
0 – 120 Hz (ACH 502)
Operating range maximum
frequency.
3 FREQUENCY RANGE (O)
0 – 500 Hz or
0 – 120 Hz
Frequency Range.
(ACH 501 only)
4 CURRENT LIMIT
0.5 – 2.0 times
ACH 500 current (I
N
)
Output current limit.
