ACH550 E-Clipse Bypass User’s Manual
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Embedded fieldbus
The system supports the following Modbus function codes for 4xxxx registers:
Actual values
The contents of the register addresses 40005…40012 are
ACTUAL
VALUES
and are:
• Specified using bypass parameters 5310…5317.
• Read-only values containing information on the operation of the drive.
• 16-bit words containing a sign bit and a 15-bit integer.
• When negative values, written as the two’s complement of the corresponding
positive value.
• Scaled as described earlier in
Exception codes
Exception codes are serial communication responses from the drive. The drive
supports the standard Modbus exception codes defined below.
Function Code
Description
03
Read holding 4xxxx registers
06
Preset single 4xxxx register
16 (0x10 Hex)
Preset multiple 4xxxx registers
23 (0x17 Hex)
Read/write 4xxxx registers
Exception
Code
Name
Meaning
01
ILLEGAL
FUNCTION
Unsupported Command
02
ILLEGAL
DATA
ADDRESS
The data address received in the query is not allowable. It is not
a defined parameter/group.
03
ILLEGAL
DATA
VALUE
A value contained in the query data field is not an allowable
value for the ACH550, because it is one of the following:
• Outside min. or max. limits.
• Parameter is read-only.
• Message is too long.
• Parameter write not allowed when start is active.
• Parameter write not allowed when factory macro is selected.
Summary of Contents for ACH550-BCR
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Page 12: ...1 8 ACH550 UH User s Manual Table of contents ...
Page 36: ...1 32 ACH550 UH User s Manual Installation ...
Page 70: ...1 66 ACH550 UH User s Manual Application macros ...
Page 335: ...ACH550 UH User s Manual 1 331 Technical data ...
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Page 382: ...2 36 ACH550 E Clipse Bypass User s Manual Start up ...
Page 398: ...2 52 ACH550 E Clipse Bypass User s Manual Bypass functions overview ...
Page 406: ...2 60 ACH550 E Clipse Bypass User s Manual Application macros ...
Page 544: ...2 198 ACH550 E Clipse Bypass User s Manual Embedded fieldbus ...
Page 584: ...2 238 ACH550 E Clipse Bypass User s Manual Diagnostics ...
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Page 622: ...3 16 ACH550 PCR PDR User s Manual Installation ...
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