Serial Communication Programmer Reference Guide
Powermax65/85/105 SYNC Reference Guide 810400 43
Read the actual output of the plasma power supply
To read the actual output of the plasma power supply, the CNC reads the values in the following
registers:
0x3018 (actual output current)
0x3019 (actual gas pressure)
0x3018 (actual output current)
0x3019 (actual gas pressure)
Example request and response
Request from CNC:
:010430180002B1<CR><LF>
Description: Reads the hexadecimal value for the actual output current (A).
Convert the hexadecimal value to decimal, and then divide that decimal value by 64
to get the output current (A).
Encoding or scaling: 16-bit, fixed-point binary with 1-bit sign at MSB and 6 bit decimal at LSB
Unit: Amperes
Function (hex): 04 (Read Registers)
Description: Reads the hexadecimal value for the actual gas pressure in psi.
Convert the hexadecimal value to decimal, and then divide that decimal value by 128
to get the gas pressure (psi).
Encoding or scaling: 16-bit, fixed-point binary with 1-bit sign at MSB and 7-bit decimal at LSB
Unit: psi
Function (hex): 04 (Read Registers)
Value Description
: Start of message
01 Plasma power supply node address
04 Read Registers
3018 First register address (0x3018)
0002 Quantity of registers to read (0x0002 = 2):
• 0x3018 (actual output current)
• 0x3019 (actual gas pressure)
B1 LRC
<CR><LF> End
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