CHAPTER 1: DESCRIPTION
PHASEMASTER™ 6 DIRECT ENERGY WELDING CONTROL
990-083
1-7
Rear Panel
The Rear Panel components, shown in figure 1-3, are identified as follows:
CIRCUIT BREAKER - is used as a circuit breaker and power switch.
FUSE - is used to protect the internal Control Boards and the Valve Driver Circuit. See Appendix A for
fuse ratings.
POWER CABLE - 5 foot cable is terminated with the appropriate 230 or 115 volt plug.
OUTPUT CABLE - 5 foot cable is used to connect the PM6 to Unitek Peco Welding Transformers.
FIRING SWITCH CABLE - 5 foot cable is used to connect the PM6 to the Force Firing Switch in all
Unitek Peco Weld Heads and Handpieces.
OPTICAL FIRING SWITCH RECEPTACLE - Used to connect the PM6 to Weld Heads with either a 3-
wire Firing Switch or an optical switch assembly.
EXTERNAL INPUTS - 9-pin, sub- miniature "D" connector used for Remote Schedule Selection,
Emergency Stop and Weld Inhibit.
FOOTSWITCH RECEPTACLE - Used to connect either a 1-Level or 2-Level Unitek Peco Footswitch.
Footswitches are only used with air or electrically actuated weld heads.
AIR VALVE DRIVER - Provides either 24 or 115 volts (AC) to Unitek Peco Air Actuated Weld Heads.
Model VDAC24P (10-304-01) adapter is used to connect standard 115V plugs.
Figure 1-3. Phasemaster 6 Rear Panel
FUSE
EXTERNAL
INPUTS
FIRING
SWITCH
OPTICAL
FIRING
SWITCH
VALVE
DRIVER
FOOT
SWITCH
CB1
F1
OUTPUT
POWER
