Gema CG22-C, Operating Instructions And Spare Parts List

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Rev. 01 08/20
OptiStar All-in-One (CG22-C) Start-up

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Pairing of the Bluetooth module with a mobile device
The first connection setup in which Bluetooth devices are coupled is also
called pairing.
Following conditions have to prevail:
–
the E app has already been downloaded and installed from an app
distribution platform ( or ) (Keyword " gema e-
app ").
–
ID number set in system parameter P11.
–
Bluetooth activated on mobile device
To use Gema's E-app, proceed as follows:
1. Start the E-app
2. Keep the key on the control unit pressed for two seconds
3. Press
4. Select OptiStar
– the control unit is now paired. The communication partners
exchange key data so that they automatically recognize each
other next time.
More information on how to use Gema's E-app can be found in a separate
manual.
CAN bus
General
The control unit is a simple CANopen slave. It operates in a network with
a central control unit (Master). Communication takes place exclusively
between the Master and the Slaves.
Following data can be accessed by CANopen:
–
All desired values (process data)
–
All actual values (process data)
–
All control values
–
All system parameters (except Baud rate and CAN address)
–
All error messages
–
All special parameters such as software version, daily correction,
powder output correction etc.
Hardware
The OptiStar control units are connected to the central PLC control unit
via 4 pin CAN bus cables. The last bus client is fitted with a terminal plug
with terminal resistor in order to terminate the network correctly. A
maximum of up to 127 Control units can be operated in a network.