Seam center guide

Functions:

Automatic lifting seam center guide is associated with three cases:

  • Sew Foot

  • Start/End backtack and reverse

  • Stroke

When the sewing foot is lifted, the seam center guide is automatically rised; when the foot is lowered, the seam center guide is also lowered.

During the sewing the start/end backtack and reverse, the seam center guide is automatically raised, once the start/end backtack is complete, or the reverse is turned off, the seam center guide is also lowered.

When the second stroke height is activated, the seam center is automatically rised, when the stroke returns to its normal position, the seam center guide also lowers accordingly.

The mode is set by parameter A51, you can use the following table to quickly check the parameter values ​​you need to set:

Value

Foot

Backtack and reverse

Stroke

0

Off

Off

Off

1

On

Off

Off

2

Off

On

Off

3

On

On

Off

4

Off

Off

On

5

On

Off

On

6

Off

On

On

7

On

On

On

Quick reference

This table summarizes which parameter should be used for wiper:

Parameter

Authority

See also

Seam Center Guide

Operator

A47

Auto Mode for Seam Center Guide

Technician

A51

Seam Center Guide Status

Developer

A33

Full power duration

Developer

O89

Duty cycle after full power

Developer

O90

Parameter List

A47
-Max

1

-Min

0

-Unit

-Description
Seam center guide function:
0 = Off;
1 = On.
A51
-Max

7

-Min

0

-Unit

-Description
Auto mode for seam center guide:
0 = Manual;
1 = Automatically raise when foot lifting;
2 = Automatically raise when backtack/reverse;
3 = Both 1&2;
4 = Automatically raise when 2nd stroke;
5 = Both 1&4;
6 = Both 2&4;
7 = Both 1&2&4.
A33
-Max

1

-Min

0

-Unit

-Description

Status of whether the seam center guide is activated, read only.

O89
-Max

999

-Min

1

-Unit

ms

-Description

Seam Center Guide: Activation duration in time period t1 (100% duty cycle).

O90
-Max

100

-Min

1

-Unit

%

-Description

Seam Center Guide: Duty cycle [%] in time period t2 .