Rockwell Automation 1771-ASB/E Remote I/O Adapter User Manual - Manual (Page 24)

2–10 Installing Your Module
Publication 1771-UM001A-US-P - February 2000
Figure 2.9
I/O Chassis Backplane Switch Assembly Settings for
Remote Adapter Module in PLCĆ3 Family Processor System
Processor Restart Lockout Ć
When ON, processor can restart I/O chassis
When OFF, I/O chassis must be restarted at the chassis.
Last State Switch Ć
When ON, outputs of this chassis remain in last state.
When OFF, outputs of this I/O chassis are deenergized
when a fault is detected.
Always OFF
10802ĆI
ATTENTION: Set switch 1 to the OFF position
to deenergize outputs wired to this chassis when
a fault is detected. If switch 1 is set to the ON
position, outputs connected to this chassis remain
in their last state when a fault occurs and machine
motion may continue after fault detection.
O O
12
34
56
78
N F F
OFF ON You select 1/2Ćslot addressing
ON OFF You select 1Ćslot addressing
OFF OFF You select 2Ćslot addressing
ON ON Not allowed
Addressing Switches
5 6
1771ĆA1/A1B chassis in PLCĆ3 Backup
ON Ć If any 1771ĆA1/A1B chassis contains
starting I/O group 0 with 2Ćslot addressing
and the PLCĆ3 is configured in backup mode.
OFF Ć All other times.
Figure 2.10
I/O Chassis Backplane Switch Assembly Settings for
Remote Adapter Module in PLCĆ5 Family Processor System
Processor Restart Lockout Ć
When ON, processor can restart I/O chassis
When OFF, I/O chassis must be restarted at the chassis.
Last State Switch Ć
When ON, outputs of this chassis remain in last state.
When OFF, outputs of this I/O chassis are deenergized
when a fault is detected.
Always OFF
10802ĆI
ATTENTION: Set switch 1 to the OFF position
to deenergize outputs wired to this chassis when a
fault is detected. If switch 1 is set to the ON
position, outputs connected to this chassis remain
in their last state when a fault occurs and machine
motion may continue after fault detection.
O O
12
34
56
78
N F F
OFF ON You select 1/2Ćslot addressing
ON OFF You select 1Ćslot addressing
OFF OFF You select 2Ćslot addressing
ON ON Not allowed
Addressing Switches
5 6
Last Chassis Switch Ć
ON Ć Chassis does not contain the highest numĆ
bered I/O group for the associated rack number
OFF Ć Chassis does contain the highest numbered
I/O group for the associated rack number
If you haveonly a primary chassis, set this
switch to OFF.
If you have both primary and complementary
chassis, set the primary chassis to ON and the
complementary chassis to OFF.