Serial Communication Programmer Reference Guide
20 810400 Reference Guide Powermax65/85/105 SYNC
Examples of requests and responses
Identify the plasma power supply type (SYNC or older system)
To identify the type of plasma power supply, and therefore the addressing system and features that
are available, the CNC must use the following Modbus function code:
43/14 (2B/0E) (Read Device Identification)
Convert the hexadecimal values in the response message to ASCII characters.
Table 2 – Device identifications
Example request and response
Request from CNC:
:012B0E0401C1<CR><LF>
Device Identification Plasma Power Supply Type Addressing System
303831323838 (hex)
081288 (ASCII)
Powermax45 XP Old 0x2xxx addresses
303831323233 (hex)
081223 (ASCII)
Powermax65/85/105 Old 0x2xxx addresses
303831323531 (hex)
081251 (ASCII)
Powermax125 Old 0x2xxx addresses
303831333335 (hex)
081335 (ASCII)
Powermax65/85/105 SYNC New 0x3xxx addresses
Value Description
: Start of message
01 Plasma power supply node address
2B0E Read Device Identification
04 Get 1 specific identification object
01 Starting address
C1 LRC
<CR><LF> End
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