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Fieldbus interfaces 107
Product name and serial number
The product name and serial number can be read through the Modbus interface. This
chapter describes the coding of the name and serial number.
The product name and serial string is obtained by concatenating the complete range of
parameters. Each parameter is a 32-bit word holding 4 ASCII characters, one per byte.
The ASCII is read from MSB to LSB of the 32-bit parameter.
For example, the parameter
should contain the value:
1347571501 (decimal)
50524F2D (hex)
The four hex bytes translate into ASCII:
•
50 = 'P'
•
52 = 'R'
•
4F = 'O'
•
2D = '-'
that is, PRO-".
Device identification information can also be read with the Modbus function code
0x2B/0x0E. This is described in more detail in chapter
on page
.
The table below describes the product name and serial number requester mapping when
addressing mode 7 is used.
Read/Write Multiple
Holding Registers
0x17
N/A
Encapsulated Interface
Transport
0x2B
0x0E – Read Device Identification – Allows reading
identification and other information.
Supported “Read Device ID Codes” (access type):
• 0x00 – Request to get the basic device identification
(stream access)
• 0x04 – Request to get one specific identification object
(individual access)
Supported Object IDs:
• 0x00 – Vendor Name – “ABB” +”Serial No” + “Sw
Version” + “Modbus Protocol ID”
• 0x01 – Product Code – “Serial Number”
• 0x02 – Major Minor Revision – ” Firmware Version” + ”
Modbus Protocol ID”
• 0x04 – Product Type “PRO-33.0-TL-OUTD-SX400”
Register
Description
3644
Product Name 1 (ASCII) 4char
3646
Product Name 2 (ASCII) 4char
3648
Product Name 3 (ASCII) 4char
3650
Product Name 4 (ASCII) 4char
3652
Product Name 5 (ASCII) 4char
Function
Code (hex)
Supported subcodes
Содержание PRO-33.0-TL Series
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