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Operating Instructions
SYN 5201/SYN 5202
Document No Art Part
Language Revision
page
abb
ABB Switzerland Ltd
3BHS109762 E01
en D 52
Template: CHIND Techn doc stand, A4 P de, R1.DOT; Filename: 3BHS109762E01 D.doc; Print: 12/6/2011 5:48:00 PM; Save: 12/1/2011 2:37:00 PM; CHIND No. 3BHS109763 ZAB D14 Rev. -; I-Q
4.3.2
Configuring Modbus RTU
The configuration of the Modbus RTU is carried out using 14 DIP switches. The three
LEDs on the left next to the DIP switches are used for the status display.
The device has to be restarted each time the configuration is changed (switch auxiliary
voltage off and on again).
If the SYNCHROTACT 5 device is configured in RS485 mode and is the last component
on the bus, the blue switch (SWITCH) to the left of the LED‘s has to be set to ON in
order to prevent reflections on the bus line.
Function
DIP no.
DIP value
Configuration
Electrical mode
DIP 0
0
RS485
1
RS232
Selection of slave address
DIP 1 – DIP 8
MSB - LSB
Valid range
1-247
Selection of Baudrate
DIP 9 / 10 / 11
000
1200
001
2400
010
4800
011
9600
100
19200
(factory setting)
101
38400
110
50000
111
Not
supported
Selection of parity mode
DIP 12 / 13
00
None
01
Odd
10
Even
11
Not
used
Example:
Switch DIP0 DIP1 DIP2 DIP3 DIP4
DIP5
DIP6
DIP7
DIP8
DIP9
DIP10 DIP11 DIP12
DIP13
OFF
0 0 0 0 0 0 0 0 1 0 1 1 0 0
SWITCH
OFF
Electrical mode
RS485
Slave address:
1
Baud rate: 9600
Parity:
None
DIP0
DIP1
DIP13
DIP12
1
0
1
0
LEDS
DIP10
DIP11
DIP9
DIP8
DIP7
DIP6
DIP5
DIP4
DIP3
DIP2
SWITCH
ON
OFF
Note
Note