Commissioning And Operation; Checking Functionality Of Cmm Easy; Fine-Tuning The Cmm Easy; Iml Charging Cycle Using Cycle Ok Feedback - Simco CMM Easy Notice D'utilisation

6 Commissioning and operation

6.1 Checking functionality of CMM Easy

- It is recommended that the setpoint for the output voltage first be set to 0 and then
subsequently increased.
- Switch on the supply voltage (24 V DC).
The LEDs on the generator will quickly flash green during start-up.
They will then flash slowly as long as no setpoint has been set for the high voltage.
Cycle OK output is inactive.
- Connect 24 V DC to the "Remote On/Off" input.
- Increase the setpoint (e.g. 7.5 mA = 4 kV) so that the LEDs light up orange. The high voltage
is now active and Cycle OK will become active when it no longer detects a charging current
to the electrodes.

6.2 Fine-tuning the CMM Easy

Note:
- The high voltage value and the cycle duration must be set for optimum charging to suit
different applications, label sizes and numbers of electrodes. The set values must be
established by experimenting.
- If there is no label material between the charging electrode and earth when the high voltage
is switched on, the CMM Easy may, depending on the electrode configuration, become
overloaded, illuminating the red LED.
- Set the setpoint for the output voltage (4–20 mA) approx. 10% higher than the optimum
value, in order to accommodate process fluctuations. Do not set unnecessarily high values
as this may result in wear and arcing on the electrodes.
- The CMM Easy is ready for use.

6.3 IML charging cycle using Cycle OK feedback

Allowing the machine control unit to use the "Cycle OK" feedback signal makes it possible to
obtain optimum process times.
- Make sure the 24 V DC power supply is connected.
- Set the optimum setpoint found in 6.2. This 4–20 mA control current must be supplied
continuously.
- Insert the electrode(s) and label(s) in the mould with the label(s) placed against the mould
wall.
- Now activate the high voltage by activating the "Remote On/Off" input.
- The CMM Easy will now charge the label(s) electrostatically (orange LEDs). As soon as the
CMM Easy detects that the label or labels have been charged, the "Cycle OK" signal will
become active (24 V DC).
- Now turn the generator off by switching off the "Remote On/Off" input.
- Wait until the CMM Easy has detected that the charge on the electrode has reduced
sufficiently and the "Cycle OK" signal is no longer active.
- The electrode or electrodes can now be removed from the mould and injection can take
place.
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