ABB RER 133 Техническое описание - Страница 9
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1MRS755163
5.1.
RER 133
Technical Description
30
8
Fig. 5.-2 Dimensions of the RER 133 Bus Connection Module
Module configuration
The attributes for the RER 133 can be set through the two DIP switches on the front
of the module. The DIP switches are labeled S1 and S2.
Switch S1 Usage
1
2-wire enable
2
4-wire enable
3
Set communication speed to 19200 bits/s
4
Set communication speed to 9600 bits/s
5
Set communication speed to 4800 bits/s
6
Not connected
7
Not connected
8
Not connected
Fig. 5.1.-1 Settings for the S1 DIP switch
Switch S2 Usage
1
4-wire pull-down enable
2
4-wire termination enable
3
4-wire pull-up enable
4
2-wire pull-down enable
5
2-wire termination enable
6
2-wire pull-up enable
7
Not connected
8
Not connected
Fig. 5.1.-2 Settings for the S2 DIP switch
4 wire mode requires both the 2- and 4- wire switches for pull-down/
termination/pull-up to be set.
Bus Connection
95
ON
1
2
3
ON
1
2
3
Module
A050317
4
6
8
5
A050318
4
6
8
5
A050318
9