Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 250)

HD3070 with Automatic Gas Console Instruction Manual a-5
16
APPENDIX A
Gas Console CNC Interface Signals
Gas Console Connector 3X4 CNC Interface
SIGNAL PIN # POL DESCRIPTION
GAS FLOW
SET 1
1 +
SET 2 2 +
SET 4 3 +
SET 8 4 +
COMMON 5 +
SET 10 6 +
SET 20 7 +
SET 40 8 +
SET 80 9 +
COMMON 10 +
SET 100 11 +
VALVE SELECT
SELECT 1
12 +
SELECT 2 13 +
SELECT 4 14 +
SELECT 8 15 +
COMMON 16 +
WRITE 17 +
INPUT
READ 18 OPEN
COMLETE COLL-
OUTPUT ECTOR
COMMON 19 -
THESE INPUTS ARE USED BY THE CNC MACHINE TO SET
THE PERCENT FLOW RATES FOR THE 6 GAS METERING
VALVES. THE BCD INPUTS ARE MADE ACTIVE BY
CONNECTING THEM TO THE SIGNAL COMMON. THE DATA
ON THESE LINES MUST BE SETUP AND STABLE BEFORE
THE CNC ISSUES A WRITE PULSE TO LOCK IN THE SET
POINT. FLOW SETPOINTS MUST BE IN THE RANGE 0 TO
100%. 12Vdc, 3mA
THESE INPUTS ARE USED BY THE CNC TO DETERMINE
WHICH GAS FLOW METERING VALVE IS TO BE CHANGED.
THE VALVES ARE NUMBERED FROM 1 TO 6
CORRESPONDING TO THE NUMBERS IN THE CUT CHARTS.
AN INPUT IS MADE ACTIVE BY CONNECTING IT TO THE
SIGNAL COMMON. 12Vdc, 3mA
THE DATA ON THESE LINES MUST BE SETUP AND STABLE
BEFORE THE CNC ISSUES A WRITE PULSE.
THESE 2 SIGNALS ARE USED TO COORDINATE THE DATA
TRANSFER BETWEEN THE CNC AND THE GAS CONSOLE.
THE CNC SHOULD PLACE VALID DATA ON THE GAS FLOW
SET AND VALVE SELECT LINES. THE CNC SHOULD THEN
ASSERT THE WRITE SIGNAL UNTIL A READ COMPLETE
SIGNAL IS RETURNED. 12Vdc, 3mA