Instruction manual
Table Of Contents
- Range of Applications
- Scope of Supply
- Operation
- Putting into Service
- Setting the Basic Functions
- Functions and Settings
- First Stitch after Power On
- Softstart
- Sewing Foot Lifting
- Sewing Foot Pressure Reduction
- Start Backtack
- End Backtack
- Start and End Backtack with Switch-On and Switch-Off Delay
- Start Ornamental Backtack
- End Ornamental Backtack
- Multiple Backtacking
- Catch backtacking
- Intermediate Backtack
- Backtack Suppression/Recall
- Holding Power of the Stitch Regulator Solenoid
- Reverse Motor Rotation
- Machine Run Blockage (Safety Switch)
- Thread Monitor
- Input Signals
- Parameter 195 = 0 – No Thread Monitor Function
- Parameter 195 = 1 – Model 270 / No Stop / Sewing Foot Down after Seam End
- Parameter 195 = 2 – Model 767, N291 / With Stop / Sewing Foot Up after Seam End
- Parameter 195 = 3 – Model 767, N291 / With Stop / Sewing Foot Down after Seam End
- Parameter 195 = 4 – With Thread Monitor Stitch Counting
- Needle Cooling
- High Lift for Walking Foot
- Manual High Lift for Walking Foot – Speed Limitation
- Maximum High Lift for Walking Foot by Using a Key
- High Lift for Walking Foot Operational Mode Not Stored (Pa. 138 = OFF, Pa. 184 = 0)
- High Lift for Walking Foot Operational Mode Stored (Pa. 138 = ON)
- High Lift for Walking Foot Operational Mode Not Stored with Minimum Number of Stitches (Pa. 138 = OFF, Pa. 184 = >0)
- Speed Limitation
- Switch Stitch Length
- Roller
- Thread Clamp
- Thread Trimming Operation
- Seam with Stitch Counting
- Free Seam and Seam with Light Barrier
- Light Barrier
- Needle Up/Down / Single Stitch
- F1/F2 Function Key Assignment on the V810/V820 Control Panels
- Signal Output Position 2
- Signal Output 512 Impulses per Rotation
- Actuator
- Acoustic Signal
- Master Reset
- Input and Output Function Test
- Error Displays
- Operating Elements of the V810 Control Panel
- Operating Elements of the V820 Control Panel
EFKA DA82GA3312
35
6.15 Reverse Motor Rotation
Functions Parameter
Positioning speed (n1) 110
Number of increments in reverse motor rotation (ird) 180
Switch-on delay of reverse motor rotation (drd) 181
Reverse motor rotation On/Off (Frd) 182
The function "reverse motor rotation" is performed after trimming. When the stop position is reached, the drive stops for
the duration of the switch-on delay of reverse motor rotation (parameter 182). Then it runs in reverse direction at
positioning speed for an adjustable number of increments (1 increment corresponds to approx. 0.7°). After reverse motor
rotation the thread wiper will be activated for the time t6.
When using the V820 control panel, direct access is possible by means of the function key (key 9)!
Function Parameter
Reverse motor rotation On/Off (-F-) 008 = 5
6.16 Machine Run Blockage (Safety Switch)
Functions Parameter
New sewing start after machine run blockage (PdO) 281
Functioning of the switch for machine run blockage (LOS) 282
Function “machine run blockage” (LSP) 283
Select how the drive is restarted after deactivating machine run blockage using parameter 281.
Parameter 281 = 0 Immediate start from any pedal position
Parameter 281 = 1 Start only with pedal in position 0 (neutral)
Determine the functioning of the safety switch using parameter 282.
Parameter 282 = 0 Make contact [N.O.] (switch closed = machine run blockage On)
Parameter 282 = 1 Break contact [N.C.] (switch open = machine run blockage On)
Switch the function “machine run blockage” using parameter 283.
Parameter 283 = 0 Machine run blockage Off
Parameter 283 = 1 Function “machine run blockage” 1 (safety function) fastest stop without positioning
Parameter 283 = 2 Function “machine run blockage” 2 (control function) with positioning in the actual position
The function “machine run blockage” is enabled by connecting a switch to socket A/11-33 or B/2-3. When using a V810 /
V820 control panel, an acoustic signal can be enabled or disabled using parameter 127.
Display and signal after enabling machine run blockage on the control panel:
V810 control panel display
(symbol blinks and acoustic signal if parameter 127 = 1)
V820 control panel display
(symbol blinks and acoustic signal if parameter 127 = 1)
In all variants of the function “machine run blockage” sewing foot lifting is possible, needle up/down or its variants,
however, is not.
CAUTION!
This is not a safety function. The line voltage must still be switched off during
maintenance and repair work.
-S t o P-