Field Wiring
Click one terminal, then click another terminal to install a wire.
24 VDC Power Supply
Start PB — NO
13 ──/ ── 14
Stop PB — NC
21 ───── 22
Overload — NC
95 ───── 96
PLC Input Card
I:0/0
I:0/1
I:0/2
COM
PLC Output Card
V+
O:0/0
Contactor M1
M1
3 Phase Motor
M
STOPPED
Required control wiring
+24V → Start 13, Start 14 → I:0/0
+24V → Stop 21, Stop 22 → I:0/1
+24V → OL 95, OL 96 → I:0/2
Connect the 24 VDC power supply 0V terminal directly to the PLC Input Module COM terminal.
+24V → Output V+
O:0/0 → M1 A1
M1 A2 → 0V
After wiring: the PLC starts in PROGRAM mode. Switch the PLC to RUN in the Ladder Logic section before pressing Start.
Ladder Logic Editor
Build the program yourself. The PLC executes the rungs from top to bottom.
PLC MODE
PROGRAM
PLC is in RUN mode. Switch to PROGRAM mode before editing ladder logic.
Instruction palette
Select a rung first, then add an instruction.
| Tag | Address | Type |
|---|---|---|
| Start_PB | I:0/0 | Input |
| Stop_PB | I:0/1 | Input |
| Motor_OL | I:0/2 | Input |
| Motor_Run | O:0/0 | Output |
Scan Count0
Last Scan0.0 ms
I/O Status
| Address | Tag | State |
|---|---|---|
| I:0/0 | Start_PB | OFF |
| I:0/1 | Stop_PB | ON |
| I:0/2 | Motor_OL | ON |
| O:0/0 | Motor_Run | OFF |
Goal
Switch the PLC to RUN, then press Start. The output should seal itself in. Press Stop or trip the overload to drop the motor out.
Complete Level 1
When your machine operates correctly, check your completion requirements.
Finish the wiring and successfully run the motor before completing this level.