V2.01
25359_EDEBD
A0279-2320-1_EN
63
15
Device information
The device information is read via the command 0x2B (Read Device Identification)
Information about the manufacturer, device code and device version is read in the pro-
cess. The device supplies the “Basic Device Identification”. “Regular” and “Extended Device
Identification” are optional according to the Modbus definition.
Example Modbus RTU
Request:
01 2B 0E 01 00 70 77
in which
01
Device address
2B
Command
0E
MEI type according to the Modbus definition always 0x0E
01
Device ID code for “Basic Device Identification” (see Modbus definition)
00
Object ID -> in our example manufacturer name, product name and version
70 77
CRC code
Response:
01 2B 0E 01 01 00 00 03 00 08 4B 42 52 20 47 6D 62 48 01 12 6D 75 6C 74 69 63 6F 6D 70
20 46 31 34 34
2D 33 20 20 02 09 20 32 2E 30 30 72 30 31 36 CD DB
Data point description for the Modbus protocol