Ascii Character Coding; Ascii String Syntax - ABB 615 Series ANSI Manual

Modbus communication protocol
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Section 3
Vendor-specific implementation
3.3.12.1
3.3.12.2
44
• HMI card SW and HW revision numbers
• Slot 0 (X130) card SW and HW revision numbers
• Slot 1 (X120) card SW and HW revision numbers
• Slot 2 (X110) card SW and HW revision numbers
• Slot 3 (X100) card SW and HW revision numbers
• Slot 4 (X000) card SW and HW revision numbers
The IED does not need to contain cards in all slots nor does a specific card
need to include a CPU. The SW revision information is simply omitted
from the information string.

ASCII character coding

Table 32:
The 8 bit ASCII character coding in the Modbus registers
Modbus register
Register 1 High byte
Register 1 Low byte
Register 2 High byte
:

ASCII string syntax

Syntax:
C(model;type;serialNo;location;swRev;hwRev)H(swRev;hwRev)0(
swRev;hwRev)1(swRev;hwRev)2(swRev;hwRev)3(swRev;hwRev)4(swR
ev;HwRev)
• Parenthesis and semicolon ASCII characters are used as delimiters inside the string.
• Section C(...) contains IED information and CPU version information.
• Section H(...) contains version information of the local HMI card.
• Sections 0(... ) to 4(...) contain version information of the additional HW
cards (slots 0...4).
• If an additional card does not include any version information, it is signalled with a
"-" (minus) character in the swRev field. If both swRev and hwRev are signalled with
"-" signs, the card in question does not exist in the IED.
Example of an identification string could be:
C(REF615;FE01;1VHR123456R2;feeder
15.12;1.6;2.0)H(1.2;3.1)0(-;-)1(-;1.1)2(-;1.0)3(-
;1.1)4(-;2.0)
The data within the C section is restricted to certain maximum lengths. For example, the
user definable IED location is here restricted to a maximum of 34 characters. If the IED
location information on system level contains more characters, only the 34 first characters
are displayed.
ASCII character
= ASCII character 1
= ASCII character 2
= ASCII character 3
:
Communication Protocol Manual
1MAC052634-MB D
615/620 series ANSI

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