Description
The TOYOPUC PC2 TPC-2816 is a high-density 16-channel digital input module designed for TOYOPUC’s PC2 Series programmable controllers, delivering reliable signal acquisition in harsh industrial environments. Engineered for seamless integration with TOYOPUC’s distributed I/O architecture, this module converts field sensor signals (proximity switches, pushbuttons, limit switches) into isolated 24 VDC logic for PLC processing. Featuring optical isolation (1,500 VAC) per channel and built-in surge protection, the TPC-2816 ensures noise immunity in electrically noisy settings like welding lines or motor control centers. Its compact form factor occupies minimal DIN rail space while supporting daisy-chained connectivity via TOYOPUC’s proprietary high-speed serial bus.
Optimized for rapid response, the module achieves ≤1 ms input filtering with configurable debounce settings to eliminate contact chatter. The TOYOPUC PC2 TPC-2816 incorporates dual-color LEDs (green for power/red per channel for status) enabling at-a-glance diagnostics during troubleshooting. With an operating temperature range of -25°C to +70°C and IP20-rated construction, it withstands vibration, dust, and humidity in automotive manufacturing, material handling, and packaging machinery where signal integrity drives operational uptime.

TOYOPUC PC2 TPC-2816
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | TOYOPUC PC2 TPC-2816 |
| Manufacturer | TOYOPUC (Toyo Denki Seizo K.K.) |
| Product Type | Digital Input Module |
| Input Channels | 16 (sink/source configurable) |
| Input Voltage | 24 VDC ±10% (nominal) |
| Input Current | 3–7 mA per point (ON state) |
| Isolation | 1,500 VAC channel-to-channel / 500 VAC channel-to-bus |
| Response Time | ≤1 ms (filter adjustable via software) |
| Logic Levels | ON: 15–30 VDC / OFF: 0–5 VDC |
| Connection Type | Removable screw terminal (0.2–2.5 mm²) |
| Bus Interface | TOYOPUC PC2 Series High-Speed Serial |
| Power Consumption | 1.8 W (typical) |
| Operating Temperature | -25°C to +70°C |
| Mounting | DIN Rail TS35 |
| Certifications | CE, UL 508, IEC 61131-2 |
Main Features and Advantages
Enhanced Noise Immunity: Triple-layer optical isolation per channel blocks EMI/RFI interference from VFDs and solenoids. Integrated varistors clamp transient voltages >100 V, preventing false triggering in arc-prone environments like robotic welding cells.
Diagnostic Intelligence: Per-channel red LEDs indicate real-time input status, while a global green LED confirms bus communication. Field-configurable filtering (0.1–10 ms) adapts to contact bounce in limit switches or relay outputs without PLC programming.
Flexible Integration: Sink/source jumper selection supports global sensor standards. Daisy-chaining via 2-port connector reduces cabling by 70% compared to star topologies. Hot-swap capability allows module replacement during system operation.
Application Field
The TOYOPUC PC2 TPC-2816 excels in:
Automotive Production: Monitoring robot gripper sensors and fixture clamps in assembly lines.
Conveyor Systems: Detecting package presence and position for sortation logic.
Injection Molding: Reading mold safety interlocks and ejector position switches.
Packaging Machinery: Verifying film feed sensors and seal bar proximity.
Utilities: Monitoring door security switches in electrical switchgear cabinets.

TOYOPUC PC2 TPC-2816
Related Products
TOYOPUC PC2 TPC-1616: 16-channel digital output module (paired with TPC-2816).
TOYOPUC PC2 CPU-32: Main controller for I/O bus management.
TOYOPUC PC2 TAC-4: 4-channel analog input module for temperature/process signals.
TOYOPUC PC2 TPC-3208: 32-channel input module for high-density applications.
TOYOPUC PC2 TIF-01: Interface converter for Modbus RTU integration.
TOYOPUC PC2 TPS-240: 24 VDC power supply for I/O racks.



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