Programming, Firmware Update - Cebora SYNSTAR 270 T Manual De Reparaciones

positive in relation to the central socket of transformer T4.
The Hall effect current transducer (59), fitted at the output cable of power board (56), sends the INV board the reaction
signal of the secondary winding current, used to regulate the welding current.
The power supply to panel circuit (47) and wire feeder motor drive (11) is supplied by service transformer (54) only, via
the same power supply circuits as power board (56).
An output voltage signal is taken from power source output terminals VITE2 and VITE1 of power board (56). This is
used by the INV board to adapt power source performance based on welding arc conditions.
The SRS module is fitted between output VITE2 (+) and centralised connection 3 (40). It is only active when the SRS
process is selected via panel board (47).
During the SRS process, the signal for reading the output voltage is taken between VITE2 (+) and connector 5 (77)
located on the machine front panel. With the SRS process selected, fit connection (42) on connector 5 (77). Connection
(42) must in turn be connected to the part to be welded.
The wire feeder unit is integral with power source Item No 564, and consists of the geared motor unit and the spool
holder support, enclosed in the protective casing.
Switch (7) located on the wire feed unit casing provides panel board (47) with a signal to stop the power source if the
flap opens.
This alarm condition is indicated on the control panel by means of the relevant error code.
Power board (56) receives temperature signals from the NTC sensors located on the heatsink of the secondary diode
assembly connected to J5 and on the heatsink of the input bridge rectifier connected to J6.
The operation of fans (26) is dependent on power source conditions and they are activated under the following
conditions:
- upon machine start-up
- during welding and within 3 minutes of the end of welding.
Panel board (47) contains the power source main microprocessor and supervises the management of all power source
functions.
Panel board (47) generates a reference signal to be sent to the INV board, to control the inverter, and the power supply
voltage for wire feeder motor (11), regulated according to the requirements of the selected welding program.
Panel board (47) contains the circuit for regulating the speed of wire feeder motor (11), which in this case features a
speed reaction signal obtained via the encoder incorporated in the motor (11).
The welding programs preset by Cebora (synergic curves) are stored in panel board (47). A BD9- RS232 programming
connector (81) and USB connector (67) are both present on the machine for updating the programs and the power
source firmware, (see wiring diagram in the Instruction Manual).
Panel board (47) also acts as the power source control panel, it has a touch display (1) and a multifunction knob (2) for
controlling power source operating status (see Instruction Manual).
The power source power outputs are clustered on the front panel.
The MIG torch is equipped with a centralised connection (3), which incorporates a power plug, two contacts for the
start command and a pneumatic fitting for the gas.
A GIFAS connection (4) is available for the earth cable.
The power source back panel is fitted with socket (22) 15, protected by fuse (18) 10 and connector (23) 14 for cooling
unit connection (optional).
2�4

Programming, firmware update.

Power source firmware programming or updating can be carried out using the "Power Source Manager".
The programs can be downloaded from the website http://www.cebora.it. They must be installed on a PC, with a
Windows operating system, equipped with an RS232 serial port or a suitable USB converter.
The power source can be programmed and diagnostics functions offered by the program can be carried out by
connecting the PC to the power source connector located in the motor compartment, which is equivalent to the RS232
connector.
Programs to be installed on the device are available on the Cebora website (files named *.fwu). If no PC is available,
programming alone can be carried out using a USB pen drive. Create a directory named " Bin" on the USB pen drive,
copy the "*.fwu" file into it and insert the USB pen drive into connector (67). On touch screen (1) access Menu - Settings
- USB Management, follow the instructions on the display.
3302355
EN
29 29