Preset Speed Operation (Speeds In 15 Steps - Toshiba TOSVERT VF-nC1 Instruction Manual

Industrial inverter (for three-phase inductive motors)
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■Motor 150%-overload time limit :
Using the
(between 10 and 800 seconds) elapsed before an overload trip occurs (
operated under a load of 150%.
Title
Motor 150%-overload time limit 10~800 (sec)
5.11

Preset speed operation (speeds in 15 steps)

• Function
A maximum of 15 speed steps can be selected just by switching an external contact signal.
Multi-speed frequencies can be programmed anywhere from the lower limit frequency
to the upper limit frequency
[Setting method]
1) Run/stop
The starting and stopping control is done from the terminal board.
Title
Command mode
selection
Note: If speed commands (analog signal or digital input) are switched in line with preset speed
operations, select the terminal board using the frequency setting mode selection
2) Preset speed frequency setting
Set the speed (frequency) of the number of steps necessary.
Setting from speed 1 to speed 7
Title
Setting from speed 8 to speed 15
Title
■Example of a frequency setting for forward 15-speed operation
Examples of preset speed contact input signals: When the input terminals are placed in sink logic
mode
○ : ON - : OFF (Speed commands other than preset speed commands are valid when all are OFF)
Terminal
CC
S1
S1-CC
S2
S2-CC
VI/S3
VI/S3-CC
R-CC
R
☆Terminal functions are as follows.
Terminal S1 ....................
Terminal S2 ....................
Terminal VI/S3................
Terminal R ......................
parameter (motor 150%-overload withstanding time), you can set the time
Function
: Preset speed operation frequencies 1~7 (Hz)
: Preset speed operation frequencies 8~15
.
Function
Adjustment range
0: Terminal board
1: Operation panel
Function
Preset speed operation
frequencies 1~7
Function
Preset speed operation
frequencies 8~15
1
2
3
4
5
Input terminal function selection 3 (S1)
Input terminal function selection 4 (S2)
Terminal VI and input terminal function
selection 5 (VI/S3)
Input terminal function selection 2 (R)
E-11
Adjustment range
Default setting
1
Adjustment range
(Hz)
Adjustment range
(Hz)
Preset speed
6
7
8
9
10
E6581090
) when the motor is
Default setting
300
Setting
0
.
⇒ See 3) or 5.1
Default setting
0.0
Default setting
0.0
11
12
13
14
15
=6 (SS1)
=7 (SS2)
=2 (Contact input)
=8 (SS3)
=9 (SS4)
5

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