Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual - Manual (Page 62)

Installing Your
Programmable Controller
Chapter 4
4-23
Table 4.C
Set Switches 1, 4, 5 and 8
If you want: Then set: And
Outputs to remain in their last state when a fault
(red LED in ON) is detected
Outputs to deĆenergize when a fault (red LED is
ON) is detected
1
1
Switch 1 ON
Switch 1 OFF
--
--
2Ćslot addressing
1Ćslot addressing
1/2Ćslot addressing
2
3
4
Switch 4 OFF
Switch 4 OFF
Switch 4 ON
Switch 5 OFF
Switch 5 ON
Switch 5 ON
RAM memory protect disabled
RAM memory protect enabled 5
Switch 8 OFF
Switch 8 ON
--
Last state switch only on PLCĆ2/16 and Ć2/17 series C or later, and PLCĆ2/02 series A or later.
1
2
3
4
5
When using 2Ćslot addressing and 8Ćpt. I/O modules: a 16Ćslot chassis equals one rack which can
address 128 I/O. See chapters 5 and 7.
When using 1Ćslot addressing and 16Ćpt. I/O modules: a 16Ćslot chassis equals two racks which can
address 256 I/O. See chapters 5 and 7.
When using 1/2Ćslot addressing and 16Ćpt. I/O modules: a 16Ćslot chassis can address four racks which
equals 512 I/O. See chapters 5 and 7.
When memory protect is enabled, you can only change the status and value of the bits in the first 128
words (word addresses up to 177
8
) of the data table.