Toshiba TOSVERT VF-S15 series Bedienungsanleitung

E6581877



TOSVERT VF-S15

Traverse control Instruction Manual

～For textile machines～

E6581877

－ CONTENTS －

1. Introduction............................................................................................................................2

2. Parameters for setting the traverse function..........................................................................2

3. Caution about the use of the traverse control........................................................................3

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1．Introduction

The VF-S15 has a traverse function useful especially for textile machines.

The manual explains about the traverse function.

Please read this instruction manual carefully along with the VF-S15 instruction manual.

2．Parameters for setting the

traverse function

The parameters in Table 1 are used for traverse operation shown in Figure 1.

Table 1: Traverse function setting parameters

Title Function Adjustment range Default setting

 Traverse selection 0:Disabled

1:Enabled (Note)

 Traverse acceleration time 0.1~120.0 (s) 25.0

 Traverse deceleration time 0.1~120.0 (s) 25.0

 Traverse step 0.0~25.0% 10.0

 Traverse jump step 0.0~50.0% 10.0

Note: To perform traverse operation, you need to assign the traverse permission

signal 134 (135 [inverse]) to an input terminal.

The settings of the above parameters ( to ) take effect once in

every half cycle of traverse operation.

During operation

Reference

frequency

Peak jump frequency

Traverse frequency

Output frequency (Hz)

Time (sec.)

  

RUN command

Traverse permission

Peak jump frequency (Hz) = Traverse frequency (Hz) ×  (%)

Traverse frequency (Hz) = Reference frequency (Hz) ×  (%)

Fig. 1: Traverse operation

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3．Caution about the use of the

traverse control

Note the following information when you use the traverse function.

■ Caution about the use of a potentiometer

If an external potentiometer (analog input) is used to set the reference frequency, an error of analog input

may occur. If such an error becomes a problem, the operation panel or the preset speed operation

function should be used instead.

You can check the reference frequency by the status monitor function (Frequency command value).

■ Suspension of traverse operation

Traverse operation does not work in the acceleration/deceleration period which doesn’t satisfy the starting

condition of traverse.

■ Speed reach detection band ()

(Output terminal function No. 6 and 7 (acceleration/deceleration completed))

On completion of acceleration, an acceleration/deceleration completed signal is issued in relation to the

traverse reference frequency.

If a traverse permission signal is OFF during traverse operation, the acceleration/deceleration completion

signal is effective to the output frequency. The signal is OFF in the condition that the output frequency is

the outside of the frequency range set by  (speed reach detection band).. (See Fig. 2)

Furthermore, the setting of  determines also the traverse operation start point. High frequency

setting of  enables to accelerate the machine while continuing traverse operation. Note that the

traverse frequency and the peak jump frequency before the output frequency reaches to the reference

frequency are different from those during normal operation, and they vary with the output frequency during

acceleration. (See Fig.3)

Traverse

reference

frequency

Outputfrequency (Hz)

Traverse

ermission

Acceleration

■ Set frequency attainment signal, and 

(Output terminal function No. 8 and 9 (Set frequency attainment signal))

The set frequency attainment signal set with  (Speed reach setting frequency) and  (Speed

reach detection band) operates on output frequency including traverse operation frequency.

/deceleration

ompletion signal c

Time (sec.)

Traverse

reference

frequency

Output frequency (Hz)

Traverse

permission

cceleration

/deceleration

completion signal

Time (sec.)



=0*

Fig. 2: Acceleration/deceleration completed

(f102=0) Fig. 3: Acceleration/deceleration completed

with f102 setting.

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■ Relationship between traverse reference frequency and output frequency limit

The relationship between the traverse reference frequency and the output frequency limit is described

bellow. The output signals of lower limit frequency, the upper limit frequency, and the low-speed detection

during traverse operation are effective to the traverse reference frequency.

Traverse reference frequency : Between  (lower limit frequency) and  (upper limit frequency)

or  (maximum frequency), whichever is lower.

Output frequency : Frequency between  (Starting frequency) and  (upper limit

frequency) or  (maximum frequency), whichever is lower.

■ Setting parameters of the control terminal

Set the following parameter to carry out traverse operation.

1. Set f980 =1 (traverse operation: Enabled).

2. Assign the function No. 134 / 135 [inverse] (traverse permission signal) to an input terminal.

When the terminal is turned on, traverse operation starts.

If you don’t use external input signal, set  (always active function selection 1) to 134.

Input terminal selection parameter: f111 to f116,f151 to f156

Example: Assign the traverse permission signal to the terminal S3

Title Function Adjustment range Example of setting

 Input terminal selection 6 (S3) ~ 

(Traverse permission signal)

Note: If the traverse function is turned off during traverse operation using a parameter or by the signal

from the control terminal, the operation mode changes from traverse operation to constant speed

operation according to the acceleration/deceleration time setting (see Fig. 4).

During operation

Rreference

frequency

Output frequency (Hz)

Time (sec.)

RUN command

Traverse permission

(S3-CC)

OFF ON

Fig. 4 Timing when the traverse function is off

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3. The traverse operation signal can be sent from inverter to external devices.

Assign the function No. 124 / 125 [inverse] (traverse in progress) and 126 / 127 [inverse] (traverse

deceleration in progress) to the output terminals.

Output terminal selection parameter: f130 to f132，f137，f138

Example: Output the traverse in progress signal from the terminal RY-RC.

Output the traverse deceleration in progress signal from the terminal OUT.

Title Function Adjustment range Example of setting

 Output terminal selection 1A

(RY-RC) ~ 

(Traverse in progress)

 Output terminal selection 2A

(OUT) ~



(Traverse deceleration

in progress)

Traverse deceleration in progress

(OUT-NO)

During operation

Reference

frequency

Output frequency (Hz)

Time (sec.)

Traverse in progress

(RY-RC)

ON OFF

Fig. 5 Traverse output signals

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