Gullco GK-200-RL - Manual (Page 45)

T-15
CN2 - Buzzer Output
Pin 1 - Common
Pin 2 - +12VDC
Note:
This output will be energized whenever the arc signal is on. An external buzzer can be connected
(not supplied) and used as a warning indicator to others that the equipment is running. This
connector may not be populated on some controls
CN8 – I 2 C Communication
For future use, may not be populated on some controls.
CN7 & CN10 – Factory Programming ports
These ports are used by the factory for programming and diagnostic purposes.
Logic Output Ports
CN81 - Relay Drive Output (Transistor Output)
Pin 1 - Common
Pin 2 - Spare (not used)
Pin 3 - Transistor collector out
Pin 4 - +12 V
Note:
This port is typically configured to activate whenever the arc signal is called for in the
automatic cycle routine.
Pin 3 and Pin 4 are typically used to energize the coil of the optional auxiliary relay module,
which is usually connected to the welding/cutting trigger signal.
CN83 - Optically Coupled Output Signal
Pin 1 - Emitter
Pin 2 - Collector
Note:
This port is typically configured to activate whenever the arc signal is called for in the
automatic cycle routine (activated at the same time as CN81, providing an optically coupled
output signal as an alternative to a transistorized output).