Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 - Manual (Page 57)

Relay-type Instructions
Chapter 6
6Ć5
Keystrokes: You enter an Output Energize instruction by performing the
following steps.
1. Press -( )-.
2. Enter <address>.
Removing an Output Energize Instruction
The only way you remove an Output Energize instructions is to remove the
entire rung. See chapter 16.
Editing in a Completed Rung
You edit the Output Energize instruction by performing the following steps.
However, you cannot remove an output instruction.
1. Position the cursor over the Output Energize instruction you want
to change.
2. Press -( )- or any other appropriate output instruction type key.
3. Enter <address>.
Output Latch/Unlatch
Purpose: The Output Latch -(L)- instruction tells the processor to latch and set
a specified data table bit. It is usually paired with an unlatch instruction.
113
04
L
010
00
Bit Controlling
Output Latch
The Output Unlatch -(U)- instruction tells the processor to unlatch and reset a
specific data table bit. It is usually paired with a latch instruction.
113
05
U
010
00
Bit Controlling
Output Unlatch
Important: The conditions for the Output Unlatch instruction must be different
than the conditions that precede the Output Latch instruction.
These are retentive instructions. Retentive means that when the rung condition
goes false, the latched bit remains set and the unlatched bit remains reset until
changed by the program.