Modbus Configuration Macro - ABB ACS320 User Manual

98 Application macros
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Modbus configuration macro

This macro configures the drive communication and control parameters. The macro is
available in ACS320 drives with firmware version 4.03c or later.
To enable the macro, set the value of parameter
MODBUS).
Drive
The AC500 MODBUS application macro default values for the drive parameters
correspond to the ABB standard macro (parameter 9902, value 1 (HVAC DEFAULT),
see section HVAC default
Parameter
9902 APPLIC MACRO
1001 EXT1 COMMANDS
1102 EXT1/EXT2 SEL
1103 REF1 SELECT
1604 FAULT RESET SEL
2201 ACC/DEC 1/3 SEL
3028 COMM FAULT FUNC 1 (FAULT)
9802 COMM PROT SEL
Note: The default slave address of the drive is 2 (parameter
but if several drives are used, the address must be unique for each drive.
EIA-485
I/O terminals 23...26
Data flow
Control word (CW)
References
Status word (SW)
Actual values
Parameter R/W
requests/responses
on page 83), with the following differences:
Parameters changed relative to HVAC default
Value
21 (AC500 MODBUS)
10 (COMM)
8 (COMM)
8 (COMM)
8 (COMM)
0 (NOT SEL)
1 (STD MODBUS)
9902 APPLIC MACRO
AC500-eCo PLC
Modbus
Other
devices
ACS320
Process I/O (cyclic)
Service messages
(acyclic)
Parameter
5302 EFB STATION ID
5303 EFB BAUD RATE
5304 EFB PARITY
5305 EFB CTRL PROFILE 2 (ABB DRV FULL)
5310 EFB PAR10
5311 EFB PAR11
5312 EFB PAR12
5303 EFB STATION
to 21 (AC500
Value
2
192 (19.2 kbits/s)
0 (8 NONE 1)
101
303
305
ID),