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1. Installation
1.4.3 A-B system parameters
PLEASE NOTE
On some controllers it is not possible to connect the
maximum specified number of terminals or not all
specified baud rates are supported.
In this case refer to the A-B documentation.
PLC
Scanner
family
PLC-2
all
PLC-3
1775-S4A
1775-S5
PLC-5
fitted
PLC-5/250
5150-RS
SLC-5/02
1747-SN
Fig. 1/7: Allen-Bradley system parameters
The following scanners are only compatible with
150 Ohm terminating resistors:
1771-SN, 1772-SD, 1772-SD2, 1775-SR,
1775-S4A, 1775-S4B, 6008-SQ, 1771-AS,
1771-ASB, 1771-DCM, 1771-AF.
CP FB8-E 9809a
Max. number of
Terminating
resistor in
quarter
half
racks
racks
16
8
28
14
28
14
16
8
32
16
32
16
16
8
32
16
32
16
32
16
16
8
Selected
Max. net
baud rate
length in
Ohm
in kBaud
150
57.6
82
57.6
82
115.2
150
57.6
82
57.6
82
115.2
150
57.6
82
57.6
82
115.2
82
230.4
82
57.6
115.2
230.4
km
3.3
3.3
1.6
3.3
3.3
1.6
3.3
3.3
1.6
0.8
3.3
1.6
0.8
1-13
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