Chapter 11 Port Explanation
11.1.2 Remote Controller Input
The system supports two external remote control input, one for line input type, the
other for 8421 encoded input type.
Line Input Type
The pin 7, 8,9,10 of input port represents left, right, forward, backward, when
inputting valid signal , the machine can move toward the corresponding direction,
when the input signal is invalid, the machine stop moving.
When the input signal of pin 16 is valid, the system will ignite the torch , the
ignition time is the setting value in system parameters, please take the reference of part
of "ignition time " in "7.2 oxygen gas parameters " .
When the input signal of pin 17 is valid, the system will turn on or off the
cutting oxygen. When the cutting oxygen is on, the system cut off the oxygen, when
the cutting oxygen is off, open the cutting oxygen system.
When the input signal of pin 18 is valid, the system will raise the cutting torch, when
the signal invalid, the torch stops.
When the input signal of pin 19 is valid, the torch goes down, when the signal invalid,
the cutting torch stops.
The external switches of line input are designed by the user..
8421(BCD) code input
Input pin 9, 10, 7, 8 is the A, B, C, D bits of the 8421 code. Functions are shown
in Table 11.2
Decimal
0
1
2
3
4
5
6
7
8
9
10
11
12
Table 11.2 Function of 8421 code input
8421 code(DCBA)
Function
0000
No Input
0001
Turn on or off the cutting oxygen
0010
Go back according to the original track
0011
Move forward according to the original track
0100
Left lateral movement
0101
Ignite Input
0110
Start
0111
Slow down
1000
Accelerate
1001
Move for the negative direction vertically
1010
Move forward vertically
1011
Pause
1100
cutting torch
91
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