Digital modules

• Digital inputs/outputs as a supplement to the integral I/O of the SIMATIC S7-1200 G2 CPUs
• Signal modules as separate modules;
  Can be used with all SIMATIC S7-1200 G2 CPUs
• Signal boards as modules for plugging onto the CPU where space is limited;
  can be used with all SIMATIC S7-1200 CPUs
• For flexible adaptation of the controller to the respective task
• For subsequent expansion of the system with additional inputs and outputs

Digital expansion modules allow you to use further digital inputs/outputs in addition to the existing integral digital inputs/outputs.

This provides users with the following advantages:

• Optimal adaptation:
  • With signal modules which can be mixed as desired, users can adapt their controllers exactly to the relevant task. This avoids superfluous investments. Modules with 16 input/output channels are available.
  • Signal boards can be used where space is limited or if only a few additional inputs/outputs are required. A CPU 1212 can be modularly expanded with one signal board and a CPU 1214 with up to 2 signal boards. This does not increase the mounting space required for the controller.
• Flexibility:
  If the task is expanded subsequently, the controller can be upgraded. Updating of the user program is extremely simple.

Signal modules

The signal modules have the same design features as the basic devices:

• Installation on DIN rails:
  The modules are snapped onto the rail next to the CPU on the right and are electrically and mechanically connected to each other and to the CPU by the integral slide mechanism.
• Direct installation:
  Horizontal or vertical mounting on DIN rail or direct mounting in the cabinet using integral drill holes.
• All digital modules are easy to replace thanks to removable connecting terminals ("permanent wiring").

Signal boards

The signal boards are plugged directly into the holder on the front of the S7-1200 CPU.

• Mounting:
  Signal boards are plugged directly into the SIMATIC S7-1200 G2 CPU, and are thus connected electrically and mechanically with the CPU.
• The installation dimensions of the CPU remain unchanged.
• Replacement of all signal boards is facilitated by removable terminals ("permanent wiring").

Note

Signal boards can be used with all SIMATIC S7-1200 G2 CPUs.