Rockwell Automation 2711 PanelBuilder Software Getting Started - Manual (Page 109)

PLC Ladder Logic Program for DH+ Application C–3
Publication 2711-6.2
Rung 2:12
The motor speed is incremented by a value of 10 if the increment push button
is pressed, manual mode is selected, and the motor is started.
| B3 T4:1 +EQU––––––––––––+ B3 +LEQ–––––––––––––––+ +ADD–––––––––––––+ |
|––] [–––] [–––+EQUAL +––] [––+LESS THAN OR EQUAL+–+ADD +–|
| 2 DN |Source A N7:0| 4 |Source A N7:1| |Source A N7:1| |
| | 0| | 0| | 0| |
| |Source B 1| |Source B 990| |Source B 10| |
| | | | | | | |
| +–––––––––––––––+ +––––––––––––––––––+ |Dest N7:1| |
| 0| |
+––––––––––––––––+ |
Rung 2:13
The motor speed is decremented by a value of 10 if the decrement push button
is pressed, manual mode is selected, and the motor is started.
| B3 T4:1 +EQU–––––––––––+ B3 +GEQ–––––––––––––––+ +SUB–––––––––––––––+ |
|––] [––] [––+EQUAL +––] [––+GRTR THAN OR EQUAL+––+SUBTRACT +–|
| 3 DN |Source A N7:0| 4 |Source A N7:1| |Source A N7:1| |
| | 0| | 0| | 0| |
| |Source B 1| |Source B 10| |Source B 10| |
| | | | | | | |
| +––––––––––––––+ +––––––––––––––––––+ |Dest N7:1| |
|
| 0| |
+––––––––––––––––––+ |
Rung 2:14
| +LIM–––––––––––––––+ +MOV–––––––––––––––+ |
|–+LIMIT TEST +––––––––––––––––––––––––––––––––––––+MOVE +–|
| |Low Lim 950| |Source 950| |
| | | | | |
| |Test N7:1| |Dest N7:3| |
| | 0| | 0| |
| |High Lim 1000| +––––––––––––––––––+ |
| | | |
| +––––––––––––––––––+ |
Rung 2:15
| +LIM–––––––––––––––+ +MOV–––––––––––––––+ |
|–+LIMIT TEST +––––––––––––––––––––––––––––––––––––+MOVE +–|
| |Low Lim 0| |Source 50| |
| | | | | |
| |Test N7:1| |Dest N7:3| |
| | 0| | 0| |
| |High Lim 50| +––––––––––––––––––+ |
| | | |
| +––––––––––––––––––+ |
|
Rung 2:16
| +LIM–––––––––––––––+ +MOV–––––––––––––––+ |
|–+LIMIT TEST +––––––––––––––––––––––––––––––––––––+MOVE +–|
| |Low Lim 51| |Source 0| |
| | | | | |
| |Test N7:1| |Dest N7:3| |
| | 0| | 0| |
| |High Lim 949| +––––––––––––––––––+ |
| | | |
| +––––––––––––––––––+ |
Rung 2:17
| |
|–––––––––––––––––––––––––––––––––––––+END+––––––––––––––––––––––––––––––––––––|
| |