SH-HC30 Height Controller System Manual
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Table 3-1 25-pin connector of numerical control system for the pin definition of the height control system
No. Property Description
5 Output Manual / automatic selective signal
6 Power Supply Power supply 24V ground, height controller power supply
7 Output Manual rise signal, drive cutting gun to rise
12, 13 Power Supply Power supply 24 V positive, height controller power supply
19 Output Manual falling signal, drive cutting gun to fall
24, 25 Power Supply Power supply 24 V positive, height controller power supply
Note: 25-pin plugs of the numerical control system that do not list the pin serial number will not be used.
Table 3-2 Pin definition of 15-pin connector of height Controller
No. Property Description Remarks
1 Serial port public 232-COM
2 Serial port Receiving 232-RXD
3 Serial port sending 232-TXD
4 Input Signal Arc voltage (height of cutting head) signal
5 Signal ground Arc voltage signal ground
7, 14 Power supply Power supply 24 V positive, height controller power supply
8, 15 Power supply Power supply 24 V ground, height controller power supply
10 Input manual / automatic selection signal
12 Input Manual rise signal, drive the cutting gun to rise
13 Input Manual falling signal, drive the cutting gun to fall
Note: 15-pin plugs of the numerical control system that do not list the pin serial
number will not be used.
Electrical installation of arc voltage detection-type height controller
The electrical installation of arc voltage detection-type height controller is shown in Figure 3-8.
The cables connecting to height control (15-pin connector), numerical control system (25-pin connector)
and voltage divider board (9-pin connector) are made by the user. For the pin definition of 15-pin,
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