TD301D485H-A

The TD301D485H-A is a Modbus RTU to Modbus TCP converter, designed to facilitate communication between RS-485 devices and Ethernet networks.
### Key Features:
- Converts Modbus RTU (RS-485) to Modbus TCP/IP for seamless integration.
- Supports transparent transmission, ensuring compatibility with existing Modbus devices.
- Plug-and-play setup with DHCP/static IP configuration.
- Compact, DIN-rail mountable design for industrial use.
- Wide operating voltage (9-36V DC) and industrial-grade protection.
### Applications:
- Industrial automation (PLC, SCADA, HMI).
- Remote monitoring and control of Modbus devices.
- Smart buildings, energy management, and IoT systems.
### Advantages:
- Simplifies legacy device connectivity to modern networks.
- Low latency, high reliability.
For detailed specs, refer to the manufacturer’s datasheet.

Equivalent products to the TD301D485H-A chip include:
- MAX485 (Maxim Integrated)
- SN75176 (Texas Instruments)
- SP3485 (Exar/Sipex)
- ADM485 (Analog Devices)
- LTC485 (Linear Technology)
These are common RS-485 transceivers with similar functionality. Verify pin compatibility and voltage requirements before substitution.

The TD301D485H-A is a 3-channel RS-485 transceiver with 16 pins. Key functions include:
- Channels: 3 independent half-duplex RS-485 transceivers (A/B lines for each).
- Logic Interface: 3.3V/5V TTL/CMOS-compatible control (RE/DE pins for each channel).
- Protection: Built-in ESD protection (±15kV HBM) and fail-safe biasing.
- Power Supply: Single 5V operation.
Pinout Summary:
- Data Lines: 3 pairs of A/B (e.g., A1/B1, A2/B2, A3/B3).
- Control Pins: RE (Receive Enable) and DE (Drive Enable) for each channel.
- Power: VCC (5V) and GND.
Compact and robust for multi-node RS-485 communication.

The TD301D485H-A is a DIP (Dual In-line Package) module. It features a compact, through-hole design with standard pin spacing, suitable for easy PCB mounting. The package type ensures reliable connectivity and durability for industrial applications, particularly in RS-485 communication interfaces. Exact dimensions and pin counts may vary, so refer to the datasheet for specifics.