Setting Up Communication Through The Embedded Modbus - ABB ACS350 User Manual

Setting up communication through the embedded modbus

Before configuring the drive for fieldbus control, the FMBA Modbus adapter (if used)
must be mechanically and electrically installed according to the instructions given on
page
The communication through the fieldbus link is initialised by setting parameter
COMM PROT SEL to STD MODBUS or MODBUS RS232. The communication
parameters in group
below.
Parameter
COMMUNICATION INITIALISATION
9802 COMM PROT
SEL
ADAPTER MODULE CONFIGURATION
5302 EFB STATION
ID
5303 EFB BAUD
RATE
5304 EFB PARITY
5305 EFB CTRL
PROFILE
5310...5317 EFB PAR
10...17
After the configuration parameters in group
Drive control parameters
necessary.
The new settings will take effect when the drive is next powered up, or when
parameter
28 in chapter Mechanical
53 EFB PROTOCOL
Alternative Setting for
settings fieldbus control
NOT SEL STD MODBUS
(with RS-485)
STD MODBUS
MODBUS RS232
EXT FBA
(with RS-232)
MODBUS RS232
0...65535 Any
1.2 kbit/s
2.4 kbit/s
4.8 kbit/s
9.6 kbit/s
19.2 kbit/s
38.4 kbit/s
57.6 kbit/s
76.8 kbit/s
8 NONE 1
8 NONE 2
8 EVEN 1
8 ODD 1
ABB DRV LIM Any
DCU PROFILE
ABB DRV FULL
0...65535 Any
on page
5302 EFB STATION ID setting is cleared and reset.
installation, and the module manual.
must also be adjusted. See the table
Function/Information
Initialises embedded fieldbus communication.
Defines the station ID address of the RS-232/485
link. No two stations on line may have the same
address.
Defines the communication speed of the RS-232/
485 link.
Selects the parity setting. The same settings must
be used in all on-line stations.
Selects the communication profile used by the
drive. See section
page 258.
Selects an actual value to be mapped to modbus
register 400xx.
53 EFB PROTOCOL
246 must be checked and adjusted when
Fieldbus control with embedded fieldbus
Communication profiles on
have been set, the
245
9802