This guide introduces the SIMATIC FM 455 C safety controller, covering its basic functions, required hardware and software, and how to set up and operate the module. It is intended for qualified personnel who will install, configure, and maintain the controller in an S7‑400 system.
The document is organized into preparation, installation, programming, testing, and diagnostic sections. It explains how to mount the module, wire analog and digital inputs, program parameters, use the loop monitor and curve recorder, and tune the PID controller. Additional information and reference material are provided in the “More Information” chapter. This manual is written in Chinese.
| Required hardware | S7‑400 station with power module and CPU |
|---|---|
| Required software | STEP 7 V4.02 or higher |
| Required accessories | Front connector, encoder, switch, final control element, wiring material |
| Installation method | Insert into rack slot, rotate down, tighten screw |
The manual uses the symbols: Danger, Warning, Caution, and Note to indicate the severity of hazards.
You need an S7‑400 station that includes a power module and a CPU, plus the FM 455 C module and its configuration package.
Insert the FM 455 C into its rack slot, rotate it downwards and tighten the screw until you hear a click.
Open the test menu, select Controller optimization, and follow the on‑screen instructions to set the manipulated value and record data.