Rockwell Automation 1794-ASB/E_ASB2/D_ASBK/E_ASB2K/D Remote I/O Adapter Modules Installation Instructions User Manual
Page 4
4 FLEX I/O Remote I/O Adapter Modules
Publication 1794-IN098E-EN-P - January 2011
I/O Rack Number Switch Settings
Primary Chassis
8, 16
and/or
32-point
modules
OFF
OFF
OFF
OFF
OFF
Complementary
Chassis
OFF
OFF
ON
OFF
OFF
1 In Standard – 32 mode, any module in the chassis occupies 32 input points and 32 output
points in the input/output data table.
2 In Complementary – 32 mode, any module in the chassis occupies 32 input points or 32
output points in the input/output data table. If using 8 or 16-point modules,unused points in
the data table are zeroed out.
First I/O Group
1) (see Important)
I/O Rack Number
S1-8
S1-7
I/O Group
S1-6…S1-1
ON
ON
0 (1st)
Refer to addressing mode
tables.
OFF
ON
2 (2nd)
ON
OFF
4 (3rd)
OFF
OFF
6 (4th)
IMPORTANT
1)
In 32-point mode, starting quarter must be 0 (S1-8 and S1-7 on).
S2-8
Mode Switch 0
Refer to mode selection switches, above.
S2-7
Hold Inputs
S2-6
Rack Fault Select
ON
Hold inputs
ON
Disabled (default)
OFF
Reset inputs
OFF
Enabled
S2-5
Mode Switch 1
Refer to mode selection switches, above.
Communication Rate
(32-point Mode Select)
Processor Restart
Lockout
Hold Last State
S2-4
S2-3
Bits/s
S2-2
S2-1
ON
ON
57.6k
ON
Restart
ON
Reset Outputs
OFF
ON
115.2k
OFF
Locked out
OFF
Hold Last State
ON
OFF
230.4k
OFF
OFF
Auto Baud
Use only with 32-point modules.
1)
These switches used to put the adapter in 32-point mode
and perform autobaud.
1)
Cycle power to the adapter or push the RESET button when the baud rate is changed in the
scanner.
32-point Mode Switch Settings
When using
this
addressing
mode
And
Mode
Switch 0
S2-8
Mode
Switch 1
S2-5
Mode
Switch 2
S1-1
Mode
Switch 3
S2-3
Mode
Switch 4
S2-4
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
First I/O
Group
I/O Rack
Number
Mode Switch 2
Mode Switch 1
Hold Inputs
Rack Fault Select
Mode Switch 0
Communication Rate/Mode 3 and 4
Processor Restart Lockout
Hold Last State
S1
S2
on
on
Mode Switch 3
Mode Switch 4
Rack Number
S1 Switch Position
1747-SN
PLC-5
PLC-5/25
PLC-3
6
5
4
3
2
1
Rack 0
Not Valid
Rack 0
Rack 0
ON
ON
ON
ON
ON
ON
Rack 1
Rack 1
Rack 1
Rack 1
OFF
ON
ON
ON
ON
ON
Rack 2
Rack 2
Rack 2
Rack 2
ON
OFF
ON
ON
ON
ON
Rack 3
Rack 3
Rack 3
Rack 3
OFF
OFF
ON
ON
ON
ON
Rack 4
Rack 4
Rack 4
ON
ON
OFF
ON
ON
ON
Rack 5
Rack 5
Rack 5
OFF
ON
OFF
ON
ON
ON
Rack 6
Rack 6
Rack 6
ON
OFF
OFF
ON
ON
ON
Rack 7
Rack 7
Rack 7
OFF
OFF
OFF
ON
ON
ON
Rack 10
Rack 10
Rack 10
ON
ON
ON
OFF
ON
ON
Rack 11
Rack 11
Rack 11
OFF
ON
ON
OFF
ON
ON
Rack 12
Rack 12
Rack 12
ON
OFF
ON
OFF
ON
ON
Rack 13
Rack 13
Rack 13
OFF
OFF
ON
OFF
ON
ON
Rack 14
Rack 14
Rack 14
ON
ON
OFF
OFF
ON
ON
Rack 15
Rack 15
Rack 15
OFF
ON
OFF
OFF
ON
ON
Rack 16
Rack 16
Rack 16
ON
OFF
OFF
OFF
ON
ON
Rack 17
Rack 17
Rack 17
OFF
OFF
OFF
OFF
ON
ON
Rack 20
Rack 20
Rack 20
ON
ON
ON
ON
OFF
ON
Rack 21
Rack 21
Rack 21
OFF
ON
ON
ON
OFF
ON
Rack 22
Rack 22
Rack 22
ON
OFF
ON
ON
OFF
ON
Rack 23
Rack 23
Rack 23
OFF
OFF
ON
ON
OFF
ON
Rack 24
Rack 24
Rack 24
ON
ON
OFF
ON
OFF
ON
Rack 25
Rack 25
Rack 25
OFF
ON
OFF
ON
OFF
ON
Rack 26
Rack 26
Rack 26
ON
OFF
OFF
ON
OFF
ON
Rack 27
Rack 27
Rack 27
OFF
OFF
OFF
ON
OFF
ON
Rack 30
Rack 30
ON
ON
ON
OFF
OFF
ON
Rack 31
Rack 31
OFF
ON
ON
OFF
OFF
ON
Rack 32
Rack 32
ON
OFF
ON
OFF
OFF
ON
Rack 33
Rack 33
OFF
OFF
ON
OFF
OFF
ON
Rack 34
Rack 34
ON
ON
OFF
OFF
OFF
ON
Rack 35
Rack 35
OFF
ON
OFF
OFF
OFF
ON
Rack 36
Rack 36
ON
OFF
OFF
OFF
OFF
ON
Rack 37
Rack 37
OFF
OFF
OFF
OFF
OFF
ON
See note 1 - Rack addresses
Rack 40
ON
ON
ON
ON
ON
OFF
Rack 41
OFF
ON
ON
ON
ON
OFF
Rack 42
ON
OFF
ON
ON
ON
OFF
Rack 43
OFF
OFF
ON
ON
ON
OFF
Rack 44
ON
ON
OFF
ON
ON
OFF
Rack 45
OFF
ON
OFF
ON
ON
OFF
Rack 46
ON
OFF
OFF
ON
ON
OFF
Rack 47
OFF
OFF
OFF
ON
ON
OFF
Rack 50
ON
ON
ON
OFF
ON
OFF
Rack 51
OFF
ON
ON
OFF
ON
OFF
Rack 52
ON
OFF
ON
OFF
ON
OFF
40…76 are available only in
Standard Mode
Rack 53
OFF
OFF
ON
OFF
ON
OFF
Rack 54
ON
ON
OFF
OFF
ON
OFF
Rack 55
OFF
ON
OFF
OFF
ON
OFF
Rack 56
ON
OFF
OFF
OFF
ON
OFF
Rack 57
OFF
OFF
OFF
OFF
ON
OFF
Rack 60
ON
ON
ON
ON
OFF
OFF
Rack 61
OFF
ON
ON
ON
OFF
OFF
Rack 62
ON
OFF
ON
ON
OFF
OFF
Rack 63
OFF
OFF
ON
ON
OFF
OFF
Rack 64
ON
ON
OFF
ON
OFF
OFF
Rack 65
OFF
ON
OFF
ON
OFF
OFF
Rack 66
ON
OFF
OFF
ON
OFF
OFF
Rack 67
OFF
OFF
OFF
ON
OFF
OFF
Rack 70
ON
ON
ON
OFF
OFF
OFF
Rack 71
OFF
ON
ON
OFF
OFF
OFF
Rack 72
ON
OFF
ON
OFF
OFF
OFF
Rack 73
OFF
OFF
ON
OFF
OFF
OFF
Rack 74
ON
ON
OFF
OFF
OFF
OFF
Rack 75
OFF
ON
OFF
OFF
OFF
OFF
Rack 76
ON
OFF
OFF
OFF
OFF
OFF
Not Valid OFF
OFF
OFF
OFF
OFF
OFF
Rack address 77 is an illegal configuration.
PLC-5/11 processors can scan rack 03.
PLC-5/15 and PLC-5/20 processors can scan racks 01…03.
PLC-5/25 and PLC-5/30 processors can scan racks 01…07.
PLC-5/40 and PLC-5/40L processors can scan racks 01…17.
PLC-5/60 and PLC-5/60L processors can scan racks 01…27.
PLC-5/80 processors can scan racks 01…27.
PLC-5/250 processors can scan racks 00…37.
Note 1 – Rack switch 1-1 is used to set a mode in this adapter. As a result, rack addresses
from 40…76 are only available in Standard mode.