User guide

Step 1
Publication 177210.1 - March 1996
Configure and Ground I/O
Chassis
Configure I/O Chassis
If you are using a power supply outside of the rack, plug the 9pin connector of the power cable
into the 9pin socket on the I/O chassis backplane and leave the other end of the power cable
loose. (Later , you will connect this end of the cable to the power supply .)
Set the backplane switches.
a
b
Switch
Group
Assembly
10183I
Input
Power
Socket
Rack: Switch:
123
1
2
3
4
5
6
7
on
off
on
on
on
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
Processor Restart Lockout - 2
When ON, processor can restart I/O chassis
When OFF, I/O chassis must be restarted at the chassis.
Addressing Switch  - 5
ON  1slot addressing selected
OFF  2slot addressing selected
Last State Switch 
When ON, outputs of this chassis remain in last
state when a fault is detected.
When OFF, outputs of this I/O chassis are
deenergized when a fault is detected.
Always OFF
Last Chassis Switch  - 8
ON  Chassis does not contain the highest numbered I/O group
for the associated rack number
OFF  Chassis does contain the highest numbered I/O group for
the associated rack number
If you have only 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.
10802I
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 3456 78
N F F
Always OFF
Local I/O
Remote I/O