MicroStep SH-HC30 System Manual page 14

Table 3-1 25-pin connector of numerical control system for the pin definition of the height control system
No. Property
5
6 Power Supply
7
12, 13 Power Supply
19
24, 25 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
1 Serial port public
2 Serial port Receiving
3 Serial port sending
4 Input Signal
5 Signal ground
7, 14 Power supply
8, 15 Power supply
10 Input
12 Input
13 Input
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,
Page 10
SH-HC30 Height Controller System Manual
Output Manual / automatic selective signal
Power supply 24V ground, height controller power supply
Output Manual rise signal, drive cutting gun to rise
Power supply 24 V positive, height controller power supply
Output Manual falling signal, drive cutting gun to fall
Power supply 24 V positive, height controller power supply
Power supply 24 V positive, height controller power supply
Power supply 24 V ground, height controller power supply
Manual rise signal, drive the cutting gun to rise
Manual falling signal, drive the cutting gun to fall
Description
Description
232-COM
232-RXD
232-TXD
Arc voltage (height of cutting head) signal
Arc voltage signal ground
manual / automatic selection signal
Remarks