Strapack RQ-8Y, Instruction Manual

Page: 17 / 28

Limit Switches
1. LS1 (Timing)
This proximity switch detects the holes in the
Timing Plate and initiates the following movements;
When LS1 detects a hole, the switch is actuated and
the lamp (LS1) on the Control Box will light.
A: home position → B: reverse → C: release strap
tension when cut → D: extend the sealing time → A
2. LS2 (Home Position)
This proximity switch is activated when the
Sealing Unit Cam shaft is in the home position.
When LS1 and LS2 are in position (A), the home
position, at the same time, LS2 will send a signal
that the cycle is complete and also that the
Sealing Unit Cam shaft is in the home position.
When LS2 detects the hole on the Timing Plate,
the lamp (LS2) on the Control Box will light.
3. LS3 (End of Strap)
This micro switch detects depletion of strap.
When the switch is actuated, the power
Indicator Lamp flashes and machine stops
after another one strapping is made.
Strap is not forwarded, the Sealing Motor
stops, and the Start Switch does not activate.
To resume operation, thread strap pf anew coil
according to "Loading Strap"
4. LS4 (Pool)
This micro switch detects and sends signal
that strap contained in the Pool Box is nearly
empty. When LS4 is activated, the lamp (LS4)
on the Control Box lights.
5. LS5 (Reversing Pulse)
This proximity switch detects that reversing
of strap is completed and initiates tensioning.
Fig. 11
Fig. 12
Position of Limit Switch
－１４－