MicroLink provides the hardware interface between Highway Addressable Remote Transducer devices (HART®) and a Windows® PC. Universal Serial Bus (USB) drivers make MicroLink compatible with most software developed for RS232 serial port interface modems. MicroLink appears as an RS232 Com port to your software. Unlike using a USB to serial converter with an RS232 modem — MicroLink and included software drivers take care of timing and handshake issues unique to the HART protocol. A rugged design makes MicroLink an ideal choice for field engineers and technicians who service HART devices in an industrial environment. MicroLink is compatible with all certified HART devices and all leading HART configuration and monitoring software that us an RS232 serial port for the interface - PACTware software is included free.   MicroLink USB will appear in Windows as an RS232 COM port.

InLink-CC is a HART protocol modem that modulates logic level 1200 BAUD serial data to a HART loop, and demodulates received HART data providing a 1200 BAUD serial bit stream. It allows designers to easily implement a HART compliant modem without knowledge of the HART physical layer requirements. InLink-CC interfaces to standard 3.3V logic and only requires 3 control lines; transmit, receive, and request-to-send (RTS). The InLink small package size further simplifies integration into your design.

Features

• Complies with Hart Protocol Physical Layer

• Includes Capacitor Coupling to the HART Loop

• Modem Module - Reduces Time-To-Market

• Small Footprint - Simplifies Design Integration - 1/2 the size of the InLink-TC

• Rugged Encapsulated Package with Gold Plated Pins for Increased Reliability

• Through-hole or Socket Mounting

• 2.7V to 3.6V Operating Voltage

• Industrial Temperature Range, -40°C to +85°C

• Transmit Signal Wave-Shaping - Sinusoidal with Lowest Harmonic Distortion

• Receive Band-Pass Filter and Digital Processing Provides Reliable Input Detection in Noisy Conditions

• CMOS Compatible

• Low Power - 300uA Typical

InLink-TC is a HART protocol modem that modulates logic level 1200 BAUD serial data to a HART loop, and demodulates received HART data providing a 1200 BAUD serial bit stream. InLink-TC interfaces to standard 3.3V to 5V logic and includes loop transformer isolation eliminating loop connection polarity and grounding  issues.  Adding only RS232 transceivers and a power supply make a complete RS232 to HART interface.  The InLink small package size simplifies integration into your design.

Features

• Complies with Hart Protocol Physical Layer

• Transformer Isolation and Capacitor Coupling Eliminate Grounding Effects and Polarity Issues

• Complete Modem Module - Reduces Time-To-Market

• Small Footprint - Simplifies Design Integration

• Rugged Encapsulated Package with Gold Plated Pins for Increased Reliability

• Through-hole or Socket Mounting

• Wide supply range (3.0V to 5.2V)

• Industrial Temperature Range, -40°C to +85°C

• Transmit Signal Wave-Shaping - Sinusoidal with Lowest Harmonic Distortion

• Receive Band-Pass Filter

• CMOS Compatible

• Low Power

• Evaluation Board Available