Efka Variocontrol V820

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Table of Contents3
Range of Applications6
Use in Accordance with Regulations6
Scope of Supply6
Special Accessories7
Operation8
Access Authorization Upon Command Input8
V810 Control Panel Operation9
Code Number Input on the V810 Control Panel9
Parameter Input at the Operator Level on the V810 Control Panel9
Parameter Input at the Technician/Supplier Level on the V810 Control Panel10
V820 Control Panel Operation10
Code Number Input on the V820 Control Panel10
Parameter Input at the Operator Level on the V820 Control Panel11
Parameter Input at the Technician/Supplier Level on the V820 Control Panel11
Program Identification12
Direct Input of Maximum Speed Limitation (DED) with Control Panel12
Setting on the V810 Control Panel12
Setting on the V820 Control Panel12
Keys for Background Information (HIT) with V82013
Example of HIT13
Programming of Seams15
Programming Mode16
Seam with Stitch Counting16
Backward Seam with Stitch Counting16
Stitch Counting And/Or Light Barrier16
Detailed Example17
Maximum Number of Seams Exceeded19
Execution (Pattern) Mode19
Further Settings for TEACH in19
Putting into Service21
Setting the Basic Functions21
Direction of Motor Rotation21
Selection of the Machine Series21
Emergency Run Function if Machine Select Is Invalid22
Positions22
Setting the Reference Position22
Setting the Reference Position on Control Panel V81022
Setting the Reference Position on Control Panel V82023
Setting the Positions on the V810 Control Panel23
Setting the Positions on the V820 Control Panel24
Positioning Speed25
Maximum Speed Compatible with the Sewing Machine25
Maximum Speed25
Display of the Signal and Stop Positions25
Braking Characteristics26
Braking Power at Standstill26
Starting Characteristics26
Actual Speed Display26
Functions and Settings27
First Stitch after Power on27
Softstart27
Softstart Speed27
Softstart Stitches27
Sewing Foot Lifting27
Sewing Foot Pressure Reduction28
Start Backtack29
Speed N3 at the Start of the Seam29
Start Backtacking Stitch Count29
Speed Release30
Double Start Backtack30
Single Start Backtack30
End Backtack30
Speed N4 at the Seam End30
End Backtacking Stitch Count31
Last Stitch Backward31
Double End Backtack31
Single End Backtack31
Backtack Synchronization31
Start and End Backtack with Switch-On and Switch-Off Delay31
Start Ornamental Backtack32
End Ornamental Backtack32
Multiple Backtacking33
Catch Backtacking33
Intermediate Backtack33
Backtack Suppression/Recall34
Holding Power of the Stitch Regulator Solenoid34
Reverse Motor Rotation35
Machine Run Blockage (Safety Switch)35
Machine Start Blockage (Blockage 1 and 2)36
Function "Machine Run Blockage" 1 (Safety Function) Parameter 28336
Function "Machine Run Blockage" 2 (Control Function) Parameter 28336
Thread Monitor37
Input Signals37
Parameter 195 = 0 - no Thread Monitor Function37
Parameter 195 = 1 - Model 270 / no Stop / Sewing Foot down after Seam End37
Parameter 195 = 2 - Model 767, N291 / with Stop / Sewing Foot up after Seam End37
Parameter 195 = 3 - Model 767, N291 / with Stop / Sewing Foot down after Seam End38
Parameter 195 = 4 - with Thread Monitor Stitch Counting38
Needle Cooling38
High Lift for Walking Foot38
Manual High Lift for Walking Foot - Speed Limitation39
Maximum High Lift for Walking Foot by Using a Key39
High Lift for Walking Foot Operational Mode Not Stored (Pa. 138 = OFF, Pa. 184 = 0)39
High Lift for Walking Foot Operational Mode Stored (Pa. 138 = ON)39
High Lift for Walking Foot Operational Mode Not Stored with Minimum Number of Stitches (Pa. 138 = OFF, Pa. 184 = >0)39
Speed Limitation39
Speed Limitation DB2000/DB300039
Analog Speed Limitation40
Analog Speed Limitation Speedomat40
Jumper S141
Setting the Speed Limitation Depending on High Lift with the V820 Control Panel41
Setting the Speed Limitation Depending on High Lift with the V810 Control Panel41
Switch Stitch Length42
Roller42
Thread Clamp43
Thread Trimming Operation44
Thread Trimmer44
Thread Wiper44
Thread Tension Release44
2Nd Thread Tension Release (FSPL2)45
Thread Tension Reduction45
Coupling Thread Tension Release with the Sewing Foot45
Coupling Thread Tension Reduction with High Lift for Walking Foot / Speedomat45
Seam with Stitch Counting46
Number of Stitches for a Seam with Stitch Counting46
Stitch Counting Speed46
Free Seam and Seam with Light Barrier46
Light Barrier47
Speed after Light Barrier Sensing47
General Light Barrier Functions47
Reflection Light Barrier LSM001A48
Automatic Start Controlled by Light Barrier48
Light Barrier Filter for Knitted Fabrics48
Needle Up/Down / Single Stitch48
F1/F2 Function Key Assignment on the V810/V820 Control Panels49
Signal Output Position50
Signal Output 512 Impulses Per Rotation50
Actuator50
Acoustic Signal51
Master Reset51
Input and Output Function Test52
Function Test with the V810/V820 Control Panel52
Error Displays53
Operating Elements of the V810 Control Panel54
Operating Elements of the V820 Control Panel55

Efka Variocontrol V820 - Page 2

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