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ACS 160 User’s Manual
1104
EXT REF1 MIN
Sets the minimum frequency reference for external reference 1 in Hz. When analogue input signal is at
minimum, external reference 1 equals to
EXT
REF
1
MIN
. See Figure 6.
1105
EXT REF1 MAX
Sets the maximum frequency reference for external reference 1 in Hz. When analogue input signal is at
maximum, external reference 1 equals to
EXT
REF
1
MAX
. See Figure 6.
1106
EXT REF2 SELECT
This parameter selects the signal source for external reference 2. The alternatives are the same as with
external reference 1, see 1103
EXT
REF
1
SELECT
.
1107
EXT REF2 MIN
Sets the minimum reference in %. When analogue input signal is at minimum, external reference 2 equals
to
EXT
REF
2
MIN
. See Figure 6.
• If the PID Control macro is selected, this parameter sets the minimum process reference.
• If any other macro than PID is selected, this parameter sets the minimum frequency reference. This
value is given as a percentage of the maximum frequency.
1108
EXT REF2 MAX
Sets the maximum reference in %. When analogue input signal is at maximum, external reference 2 equals
to
EXT
REF
2
MAX
. See Figure 6.
• If the PID Control macro is selected, this parameter sets the maximum process reference.
• If any other macro than PID Control is selected, this parameter sets the maximum frequency reference.
This value is given as percentage of maximum frequency.
1115
REF STEP SEL
Frequency reference modification selection.
0 =
NOT
SEL
Reference modification is not used.
1 =
DI
3
U
4
D
Reference correction up is given to frequency reference, when digital input DI3 is activated and reference
correction down is given, when digital input DI4 is activated.
2 =
DI
4
U
5
D
Same as above except that digital inputs in use are DI4 and DI5.
1117
REF STEP MODE
0 =
FREQ
STEP
Fixed frequency step is added to or subtracted from basic frequency reference. Frequency steps in Hz are
defined with parameters 1118
REF
STEP
UP
and 1119
REF
STEP
DOWN
.
1 =
PERCENTAGE
STEP
In this case frequency step is given as percentage of basic frequency reference. Parameters 1118
REF
STEP
UP
and 1119
REF
STEP
DOWN
are defined as percentage values.
1118
REF STEP UP
Frequency reference step up. Given as Hz or percentage depending on the value of parameter 1117
REF
STEP
MODE
.
1119
REF STEP DOWN
Frequency reference step down. Given as Hz or percentage depending on the value of parameter 1117
REF
STEP
MODE
.
1120
STEP DLY ON
Switch on delay for reference step.
1121
STEP DLY OFF
Switch off delay for reference step
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