290-01 Siemens S7 1200 Connections
Connecting the Siemens PLC to the trainer:
Upper Terminal Strip - PLC Inputs and Power Connections
Trainer | Siemens PLC | Description |
+24V | 24V DC L+ | 24 V DC input power source |
+12V | Not connected | |
0V | 24V DC M | 0 V DC input power source |
R1 | DIa 0 | Cylinder reed switch 1 active |
R2 | DIa 1 | Cylinder reed switch 2 active |
R3 | DIa 2 | Cylinder reed switch 3 active |
S1 | DIa 3 | Optical beam sensor 1 not broken |
S2 | DIa 4 | Optical beam sensor 2 not broken |
SWR | DIa 5 | Red button pressed |
SWG | DIa 6 | Green button pressed |
+24V | Not connected | |
0V | DIa 1M | Digital 0 V reference |
VR | AI 0 | Analogue dial control (0-27648) |
0V | AI 2M | Analogue 0 V reference |
Lower Terminal Strip - PLC Outputs and Power Connections
Trainer | Siemens PLC | Description |
24V | 3L+ | 24 V source for outputs |
12V | Not connected | |
0V | 3M | 0 V reference for outputs |
C1 | DQa 0 | Activate cylinder 1 |
C2 | DQa 1 | Activate cylinder 2 |
C3 | DQa 2 | Activate cylinder 3 |
E | DQa 3 | Enable conveyor |
R | DQa 4 | Reverse conveyor |
LR | DQa 5 | Illuminate red lamp |
LG | DQa 6 | Illuminate green lamp |
24V | Not connected | |
0V | Not connected | |
M | AQ 0 | Analogue motor speed control (0-27648) |
0V | AQ 0M | Analogue 0 V reference |
The supplied wire set has terminal connections on each end and different coloured wires to make the wiring easier.
Use a flat bladed screwdriver and ensure that power is switched off when connecting/disconnecting the unit.