Putting Into Operation; General - stertil COMBILOK Mode D'emploi

4.3

PUTTING INTO OPERATION

4.3.1

General

The control is of the dedicated control type (i.e. is only suitable for the Combilok) with a microprocessor
(a calculation unit) and a number of fixed I/Os (Inputs/Outputs). On the outside of the control box there are a number
of push buttons and indication lamps for the automatic execution of the locking program. The control box contains a
number of microswitches for the manual execution of the four movement options. ATTENTION! All protections
turned off, so allow enough visibility on Combilok. The text next to the buttons indicates which movement is being
executed. Only one switch may be pressed simultaneously.
There are also a number of LEDs for detecting the non-visible inputs (the limit and pressure switches, the wheel
sensor, the release contact), all of which are designed to simplify putting into operation and fault analysis. The cables
are colour-coded and are connected to the connection terminals provided with text according to the electrical circuit
diagram (FIG. G). Before automatic starting, the following inputs and outputs must be tested:
Checking the outputs (see FIG. 2A and FIG. G)
- Turn the main switch on.
- Press the 'reset alarm' button, this switches on the control voltage.
- Press the 'long out' button of the internal operation. The longitudinal cylinder now goes out. Hold in the button
until the cylinder is completely out.
- Press the 'long in' button. The cylinder now goes in.
- Do the same with the lateral cylinder using the 'lat in' and 'lat out' buttons.
If necessary, change the position of the hoses and/or the plugs of the valves.
Checking the inputs (see FIG. 2A and FIG. G)
- Check the operation of the wheel sensor. Mask off the hole in the plastic plate of the extendable block. Check that
LED D11 (wheel sensor) is on.
- Using the button 'lat in' to guide the lateral cylinder in until LED D12 (limit switch "in") goes out.
- Using the button 'lat out' to guide the lateral cylinder out until LED D13 (limit switch "out") goes out.
- Using the button 'long in' to guide the longitud. cylinder in until LED D14 (release press. switch) comes on.
- Using the button 'long out' to guide the longitud. cylinder out until LED D15 (blocking press.switch) comes on.
- Operate the limit switch for release by dock leveller on the C.T.L., so that LED D16 comes on.
- Operate the door and check if LED D17 lights up (pulse) or comes on as soon as the door is in closed position.
Checking and adjusting the wheel sensor
The range of the wheel sensor, with the extendable block fully retracted, is Ex Works set to a maximum of 50 cm.
When checked, this value should be 40 up to 50 cm, absolutely not more!
The switch point can be checked by moving the hand or a subject in front of the hole of the sensor in the plastic plate,
starting at about 70 cm and then moving towards the sensor. At the moment the sensor switches, a click is heard in the
control box and LED 11 (wheelsensor) starts lighting. The range of the sensor can be adjusted with the adjusting
screw on top of the housing. Turning to the left (towards NEAR) decreases the range, turning to the right (towards
FAR) increases it.
Setting the DIP switches
The following settings can be made with the DIP switches DS1 (see FIG. D).
Switch 1 - Release of dock by Combilok ('D-D') function. With the switch in the lower position, the dock leveller
(if contact 'D-D' is connected to clamps "T" in FIG. G) is released at the moment that the vehicle is locked. With the
switch in the upper (ON) position the dock leveller is continuously released (service position dock leveller).
Switch 2 - Inversion switch. Set in lower position. In upper (ON) position, "release dock" ("D-D") is turned into a
normally closed contact.
Switch 3 - Pressure monitoring. At the moment that the wheel is pressed by the Combilok, the pump is switched off
at a preset value. The pressure on the wheel is maintained by means of a non-return ball check valve. With the switch
in the lower position, this pressure is monitored. If then the pressure drops, the pump will switch on until the set
pressure is reached again. With the switch in the upper (ON) position the pressure is not monitored.
Switch 4 - Release of Combilok by dock function. With the switch in the lower position, the neutral position of the
dock leveller is scanned with the connected limit switch. The Combilok will not function as long as the contact on
clamps "H" in FIG. G is not made. With the switch in upper (ON) position, this contact is bridged and the Combilok
functions independently of the dock leveller.
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