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1. input/output signals – Miller Electric A.B.B. Robot Interface Gas Control Hub And Spindle User Manual

Page 25

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OM-884 Page 21

SECTION 4 – SEQUENCE OF OPERATION

4-1.

Input/Output Signals

ST-094 382-B

Robot interface receives input
signals for contactor control, gas
control, jog, welding volts, and wire
speed. It also receives a signal to
initiate a check to see if wire is stuck
to workpiece at end of a weld.

Robot interface sends output sig-
nals to robot control unit for current
sense, wire stuck, and weld stand-
by.

Wire Feed Speed 0-10V = 0-1000 IPM

Output Volts 0-10V = 0-50V

Peak Amps 0-10V = 0-500 Amps Output

Gas Control

Jog Fwd.

Contactor Control

Wire Stuck Check

Jog

Power On, Standby

Current Detect

Wire Stuck

Output Voltage

Shielding Gas

Wire Feed

Wire Contact

To Workpiece

Burnback

Time

Normal
Abnormal

Preflow

Time

Postflow

Time

Computer

Interface

To Robot

Control Unit

Robot Control

Unit To

Computer

Interface

60 MS

50 MS