Serial Communication Programmer Reference Guide
Powermax65/85/105 SYNC Reference Guide 810400 15
Powermax65/85/105 SYNC Modbus addressing system
Powermax65/85/105 SYNC provides more plasma power supply data than what is available for
older Powermax plasma power supplies, as well as access to cartridge-usage data. A CNC can
also request a gas test and a quick restart on a Powermax65/85/105 SYNC.
The Powermax65/85/105 SYNC register addresses are consecutively numbered in a 0x3xxx series
of registers so that a single request can read or write multiple related registers at one time.
For the most efficient communication between a CNC and Powermax65/85/105 SYNC, do the
following:
Use only the 0x3xxx register addresses with Powermax65/85/105 SYNC.
When possible, send a single request for multiple registers of data at one time.
Backward compatible with 0x2xxx series
Powermax65/85/105 SYNC supports the 0x2xxx series of Modbus addresses that was used for
older Powermax plasma power supplies, as shown in Table 1. But Hypertherm strongly
recommends that you use the 0x3xxx series with the Powermax65/85/105 SYNC.
Older Powermax plasma power supplies include Powermax65/85/105/125 and Powermax45 XP.
Table 1 – Powermax65/85/105 SYNC support for old addressing system
Old address Description Modbus functions (hex)
0x204C Actual gas pressure 04 (Read Register)
0x2093 Operating mode setting 06 (Write Single Register)
0x2094 Output current (A) setting 06 (Write Single Register)
0x2096 Gas pressure setting 06 (Write Single Register)
0x2098 Active fault code 04 (Read Register)
0x2099 Minimum output current (A) setting 04 (Read Register)
0x209A Maximum output current (A) setting 04 (Read Register)
0x209C Minimum gas pressure setting 04 (Read Register)
0x209D Maximum gas pressure setting 04 (Read Register)
0x209E, 0x209F Cumulative arc time in seconds 04 (Read Register)
0x0808, 0x0809 Torch lead length 01 (Read Coils)
0x0810 Start switch signal status 01 (Read Coils)
0x0811 Motion switch signal status 01 (Read Coils)
0x0832 Gas test status 05 (Write Single Coil)
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