Appendix 7: controller schematic, Sc-3000, Sc 3000 interface enclosure – Tweco SC-3000 User Manual
Page 82: Input
SC-3000
APPENDIX
A-12
Manual 0-5100
APPENDIX 7: CONTROLLER SCHEMATIC
Art # A-08653_AB
5
5
4
4
D
C
B
A
RET
(1)
ARC V SIG COMM
(3)
DIVIDED ARC V SIG (+) 50:1 (30:1)
(4)
(24)
CORNER ACTIVE = 24VDC
(11)
PREFLOW ON
(2)
(28)
(27)
(29)
(23)
24VDC COMM
(26)
(orange)
ARC V SIG COMM
(blue)
DIVIDED ARC V SIG (+) 50:1
24 VDC
(25)
START RET
(green)
START
(RED)
OK PS = 24VDC
(30)
(8)
ARC V SIG COMM
(3)
DIVIDED ARC V SIG (+) 50
:1 (
3
0
:1)
(4)
(7)
+20VDC
SEPERATE IGNITION PLASMA
IHT 7250
INTERFACE
DIVIDED ARV(+)
INITIAL POSITION START
DIVIDED ARV(-)
OK TO MOVE
24 VDC IN
* ENABLE INGITION PLASMA (Plasma START)
RELAY & DIGITAL SIGNAL OPERATE IN PARALLEL
PIERCING HEIGHT (Oxyfuel)
RETRACT 1
RETRACT 2
SCRAP CUTTING
START OXYFUEL MODE
MANUAL UP
MANUAL DOWN
LOW ARC Volts (0 to +6V/0 to +10V)
Input or HI ARC Volts Ref (0V)
LOW (Divided) ARC Volts Ref (0V)
HI ARC Volts (-300V) NEG Input
START
Digital Output Circuit
* ENABLE IGNITION PLASMA
CORNER
READY (START XY)
UPPER LIMIT
DELAY TIME
CONTROL ACTIVE
ERROR
COLLISION
ENABLE IGNITION OXYFUEL
REFERENCE / RETRACT POSITION
SC 3000 INTERFACE ENCLOSURE
REFERENCE POSITION
SWITCHES:
Address SW
0 = address 0
1 = address 1
2 = address 2
3 = address 3
Baud Rate SW
0 = 9600
1 = 14400
2 = 19200
3 = 28800
4 = 38400
Arc Voltage SW (Divide Ratio)
0 = 0 to -300V (1:1)
1 = 0 to +10V (30:1)
2 = 0 to +6V (50:1) *
3 = 0 to +10V (25:1)
4 = 0 to +10V (41.6:1)
* Factory setting
* ENABLE IGNITION PLASMA
* ENABLE IGNITION PLASMA
J15 CNC
J15 CNC
1
2
3
4
5
6
7
8
9
22
22
POWER
GREEN
POWER
GREEN
CUTBUS X202 (DB9)
CUTBUS X202 (DB9)
1
2
3
4
5
6
7
8
9
126
PTC
126
PTC
X203 LINEAR DRIVE LOGIC
X203 LINEAR DRIVE LOGIC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
X202 CUTBUS
X202 CUTBUS
1
2
3
4
5
6
7
8
9
OUTPUT
OUTPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
10K
10K
TERMINAL X201 (DB9)
TERMINAL X201 (DB9)
1
2
3
4
5
6
7
8
9
J6 PLASMA
J6 PLASMA
1
2
3
4
5
6
7
8
9
LINEAR DRIVE X203 (DB15)
LINEAR DRIVE X203 (DB15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
INPUT
INPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
X201 TERMINAL
X201 TERMINAL
1
2
3
4
5
6
7
8
9
RUN
GREEN
RUN
GREEN
2
3
1
J7 LINEAR DRIVE POWER
J7 LINEAR DRIVE POWER
1
2
3
FAULT
RED
FAULT
RED