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Multi-speed Operation (pr. 4 To Pr. 6, Pr. 24 To Pr. 27, Pr. 232 To Pr. 239) - Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual

Transistorized inverter, high function & low acoustic noise.
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Multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)

Pr. 4 "3-speed setting (high speed)"
Pr. 5 "3-speed setting (middle speed)"
Pr. 6 "3-speed setting (low speed)"
Pr. 24 to Pr. 27 "multi-speed setting
(speeds 4 to 7)"
Pr. 232 to Pr. 239 "multi-speed setting
(speeds 8 to 15)"
Used to preset the running speeds in parameters and switch between them using terminals.
Any speed can be selected by switching on-off the contact signal (RH, RM, RL or REX signal).
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By using these functions with jog frequency (Pr. 15), maximum frequency (Pr. 1) and minimum frequency
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(Pr. 2), up to 18 speeds can be set.
Valid in the external operation mode or PU/external combined operation mode (Pr. 79 = 3 or 4).
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Parameter
Factory Setting
Number
4
60Hz
5
30Hz
6
10Hz
24 to 27
9999
232 to 239
9999
Speed 1
(high speed)
Speed 2
(middle speed)
ON
RH
ON
RM
RL
REX
<Setting>
·
Set the running frequencies in the corresponding parameters.
·
Each speed (frequency) can be set as desired between 0 and 400Hz during inverter operation.
After the required multi-speed setting parameter has been read, the setting can be changed by pressing
the [UP/DOWN] key. (In this case, when you release the [UP/DOWN] key, press the [SET] key to store the
set frequency. When using the FR-PU04 (option), press the [WRITE] key.)
·
Use any of Pr. 180 to Pr. 186 to assign the terminal used to input the REX signal.
Note: 1. The multi-speed settings override the main speeds (across terminals 2-5, 4-5).
2. The multi-speeds can also be set in the PU or external operation mode.
3. For 3-speed setting, if two or three speeds are simultaneously selected, priority is given to the
frequency setting of the lower signal.
4. Pr. 24 to Pr. 27 and Pr. 232 to Pr. 239 settings have no priority between them.
5. The parameter values can be changed during operation.
6. When terminal assignment is changed using Pr. 180 to Pr. 186, the other functions may be
affected. Check the functions of the corresponding terminals before making setting.
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Setting Range
Remarks
0 to 400Hz
0 to 400Hz
0 to 400Hz
0 to 400Hz, 9999
9999: Not selected
0 to 400Hz, 9999
9999: Not selected
Speed 5
Speed 6
Speed 4
Speed 3
Speed 8
(low speed)
Speed 7
Time
ON ON ON
RH
ON
ON
ON
RM
ON
ON
ON
RL
REX
66
PARAMETERS
Related parameters
Pr. 1 "maximum frequency"
Pr. 2 "minimum frequency"
Pr. 15 "jog frequency"
Pr. 28 "multi-speed input compensation"
Pr. 29 "acceleration/deceleration
pattern"
Pr. 79 "operation mode selection"
Pr. 180 to Pr. 186 (input terminal
function selection)
Speed 10
Speed 11
Speed 12
Speed 9
Speed 13
Speed 14
Speed 15
Time
ON ON ON ON
ON ON
ON ON
ON
ON
ON
ON
ON
ON
ON ON ON ON ON ON

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