Allen-Bradley 1747-ASB User Manual

Publication 1747-UM006B-EN-P - June 2003
4-2 Configuration
DIP Switch SW1
Logical Rack Number (SW1-1 through 6)
SW1 switches 1 through 6 assign the 1747-ASB module a starting
logical rack number in the scanner's image.
When configured as a complementary chassis (SW2 switch 3), the
1747-ASB module can appear on the RIO link as any starting logical
rack between 0 and 62 (0 to 76 octal).
When configured as a primary chassis (SW2 switch 3), the 1747-ASB
module can appear on the RIO link as any starting logical rack
between 0 and 7.
Logical rack one is the default setting as shipped from the factory.
The following table provides the logical rack numbers for PLC
processors.
41 2345678
SW1 SW2 SW3
1 23 5678 1 2345678
O N
O N
O N
Specialty I/O Mode
I/O Module Keying
Addressing Mode
Last Chassis/PLC-3 Backup
Link Response
Processor Restart Lockout
Hold Last State
Baud Rate
Primary/Complementary Chassi
s
ASB Module Image Size
Logical Group Number
Logical Rack Number
ON
OFF
Reserved
Logical Rack Number (Octal) Switch Number (SW1)
1747-SN PLC 2 PLC 3 PLC 5/15 PLC 5/25 PLC 5/40 PLC 5/60 PLC 5/250 1 2 3 4 5 6
010----0ONONONONONON
12111111ONONONONONOFF
23222222ONONONONOFFON
34333333ONONONONOFFOFF
54 4444ONONONOFFONON
65 5555ONONONOFFONOFF
76 6666ONONONOFFOFFON
7 7777ONONONOFFOFFOFF
10 10 10 10 ON ON OFF ON ON ON
11 11 11 11 ON ON OFF ON ON OFF
12 12 12 12 ON ON OFF ON OFF ON
13 13 13 13 ON ON OFF ON OFF OFF
14 14 14 14 ON ON OFF OFF ON ON
15 15 15 15 ON ON OFF OFF ON OFF
16 16 16 16 ON ON OFF OFF OFF ON
17 17 17 17 ON ON OFF OFF OFF OFF
20 20 20 ON OFF ON ON ON ON
21 21 21 ON OFF ON ON ON OFF
22 22 22 ON OFF ON ON OFF ON
23 23 23 ON OFF ON ON OFF OFF
24 24 24 ON OFF ON OFF ON ON
25 25 25 ON OFF ON OFF ON OFF
26 26 26 ON OFF ON OFF OFF ON
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Allen-Bradley 1747-ASB Specifications

General

Brand	Allen-Bradley
Model	1747-ASB
Category	Control Unit
Language	English