- Synchronous drive for silicon controlled rectifiers with phase cut off current regulation.

- Regulation speed within 2 cycles for the first welding spot  and then within ½ cycle

- Four operation modes are available:

• Voltage percentage  V%
• Current percentage I% (Feed Forward mode)
• Constant current IK (1 - 99 KA)
• Constant resistance RK

- Single and three phase’s transformer (Star and triangle) drive capability.

- Suitable for spot and roll welding machines.

- Welding time control resolution is ½ period.

- Display of RMS welding curr ent and of the first period positive and negative half wave.

- Inlets and outlets are galvanic insulated.

- Selection and running of 64 programs that can be called from external inlets; internally or under association tostart cycle IC1 or start cycle IC2.

- Compensation of  line voltage fluctuations is available in I% and V%

- Point to point serial communication RS232 for connection to a printer or to a personal computer.

- Serial network communication RS 485.

- Communication Extension: Profibus - DeviceNet - CANopen - CC/Link - Modbus/RTU - Profinet/IO - EtherNet/IP - EtherCAT - Modbus/TCP.

- Start cycle with contemporary: Twin hand buttons or foot switch.

- Qualitative control of welding current limits or of ignition angle are available in Spot welding mode and by IK and I%.

- Welding current limits control and control of phase cut off angle.

- Programmable function for continuous self increase of the welding current to compensate the consumption of the welding electrodes.

 - The current curve is adjustable.

- Welding counter with warning and locking function.

- The delay of first welding current and the delay of first welding current after a pause can be programmed independently.

- Four solenoid valve drive capability that can be associated to program in pre squeeze and squeeze sequences.

- Galvanic Isolated outlet for proportional valve.

- Range limit for proportional valve (99%) can be set: 5-10 Volt.

- Forging solenoid valve.

- Pre stroke solenoid valve.

- Possible pressure link in: pre-squeeze, squeeze,pre-heat, weld, forge, phases via proportional valve (pressure cycle).

- Automatic line frequency recognition.

- Self Calibration.

- Setting Triple Language.

- PLC drive.

- Secondary current reading via Rogosky ring or Primary current reading via current transformer C.T.

- L x H x T 360 x 133 x 91 mm.