This PLC module combines processing power with flexible I/O capabilities in a compact housing. It executes relay ladder logic and structured text programs with consistent speed. The unit suits small to medium-scale automation projects across various industries. Its integrated design reduces the need for additional expansion hardware.
Processing Engine and Memory Resources
The module incorporates a 16-bit microcontroller running at 40 MHz clock frequency. It provides 32 KB of flash memory for user program storage. The system includes 8 KB of RAM for data registers and system variables. A separate 2 KB EEPROM retains critical parameters during power cycles.
| Parameter | Specification |
|---|---|
| Model | FPC121T |
| Processor | 16-bit MCU, 40 MHz |
| Program Memory | 32 KB flash |
| Data Memory | 8 KB RAM, 2 KB EEPROM |
| Execution Speed | 0.5 µs per basic instruction |
| Digital Inputs | 12 points, 24 V DC, sink type |
| Digital Outputs | 8 points, transistor, 0.5 A per point |
| Analog Inputs | 2 channels, 0–10 V DC, 10-bit |
| Analog Outputs | 1 channel, 0–10 V DC, 8-bit |
| High-Speed Counter | 1 channel, 10 kHz max |
| Communication Port | 1 x RS-232C, 9.6 kbps |
| Power Supply | 24 V DC ±10%, 180 mA |
| Power Consumption | 4.3 W typical |
Physical Dimensions and Mounting Options
This PLC module measures 90 mm in height, 60 mm in width, and 75 mm in depth. Its lightweight enclosure weighs only 0.28 kg for convenient handling. You can mount the device on a standard 35 mm DIN rail inside the panel. The unit also supports direct screw mounting using the integrated mounting tabs.
Onboard I/O Configuration and Wiring
The FPC121T provides twelve digital inputs and eight transistor outputs directly on board. Two analog input channels accept 0–10 V DC signals from sensors and transmitters. A single analog output delivers 0–10 V DC for actuator control applications. All wiring connects through removable screw-type terminal blocks for easy maintenance.
Communication and Programming Interface
The built-in RS-232C port supports programming downloads and online monitoring. This port also enables communication with HMI panels and other serial devices. You can store multiple program files in the flash memory area. The module automatically loads the selected program upon power-up.
Timing Functions and Counter Capabilities
One high-speed counter channel handles pulse inputs up to 10 kHz. This counter supports up/down counting modes for encoder feedback applications. The module includes eight built-in timers with 0.1-second resolution. Four interrupt inputs respond to external events within 50 microseconds.
Details
| Weight | 0.45 kg |
|---|---|
| Dimensions | 120 × 100 × 75 mm |
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