Efka DC 1550, Instruction Manual

Page: 16 / 52

Instruction Manual
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6.9.1 Setting the Reference Position (Parameter 270 = 0 or 6)
The angular positions necessary on the machine e.g. "needle down position" or "thread lever up position" are
stored in the control. A reference position is needed in order to establish a relationship between position
transmitter information and actual mechanical position.
The reference position must be set:

for initial operation

after replacing the motor

after replacing the microprocessor
Setting the reference position on the control

Input code number and select parameter 170 !

Press the E key

Display Sr1

Press the >> key

Display P o (character o rotating)
Turn handwheel until rotating character
o goes off on the display.

Display P

By turning the handwheel, set the
needle to the bottom dead center or the
needle point to the height of the needle
plate in the direction of rotation of the
motor shaft, while needle is moving
downward.

Configuration of the zero point of the machine

Press the P key once

actual parameter number is displayed

Press the P key twice

Exit programming at the technician level.
Setting the reference position on the V810 control panel

Input code number and select parameter 170!

Press the E key

Display Sr [o]

Press the >> key

Display PoS0 o (character o rotating)
Turn handwheel until rotating character
o goes off on the display.

Display
PoS0

Set the needle to the bottom dead
center by turning the handwheel.

Configuration of the zero point of the machine

Press the P key once

actual parameter number is displayed

Press the P key twice

Exit programming at the technician level.
Setting the reference position on the V820/850 control panel

Input code number and select parameter 170 !

Press the E key

Display F-170 Sr1 [o]

Press the >> key

Display PoS0 o (character o rotating)
Turn handwheel until rotating character
o goes off on the display.

Display PoS0

Set the needle to the bottom dead
center by turning the handwheel.

Configuration of the zero point of the machine

Press the P key once

actual parameter number is displayed

Press the P key twice

Exit programming at the technician level.
If error message A3 (reference position not set) appears, repeat the above setting sequence!
6.9.2 Setting the Positions on the Control (Parameter 270 = 0 or 6)
Do these settings whenever the encoder incorporated in the motor is used (parameter 270 = 0), or a position
transmitter mounted on the machine head (e.g. IPG pulse encoder or HSM Hall sensor) (parameter 270 = 6),
whose preset values must be adapted.

Input code number and select parameter 171.

Press the E key

[o] is displayed

Press the >> key

P1E is displayed; set "position 1 On" on the handwheel

Press the E key

P2E is displayed; set "position 2 On" on the handwheel

Press the E key

P1A is displayed; set "position 1 Off" on the handwheel

Press the E key

P2A is displayed; set "position 2 Off" on the handwheel

Press the P key twice

Exit programming at the technician level.