Transmitter with dual protocol interface

A two-wire process transmitter for use in monitoring an industrial process, comprising:

• HART® communication means for coupling to a two-wire process control loop, operating in accordance with HART® communication protocol and completely powering the transmitter with power received from the two-wire process control loop;
• Fieldbus communication means for coupling to the two-wire process control loop, operating in accordance with Fieldbus communication protocol and completely powering the transmitter with power received from the two-wire process control loop;
• a first electrical terminal means for coupling the HART® communication circuitry to the two-wire process control loop in a first configuration;
• and
• a second electrical terminal means for coupling the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration.

A method of coupling a two-wire process transmitter to a two-wire process control loop, comprising:

• providing HART® communication circuitry configured to couple to a two-wire process control loop and operate in accordance with HART® communication protocol and completely power the transmitter with power received from the two-wire process control loop;
• providing Fieldbus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Fieldbus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
• providing a first pair of electrical terminals adapted to couple the HART® communication circuitry to the two-wire process control loop in a first configuration;
• and
• providing a second pair of electrical terminals adapted to couple the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration.

A method of coupling a two-wire process transmitter to a two-wire process control loop, comprising:

• providing HART® communication circuitry configured to couple to a two-wire process control loop and operate in accordance with HART® communication protocol and completely power the transmitter with power received from the two-wire process control loop;
• providing Profibus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Profibus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
• providing a first pair of electrical terminals adapted to couple the HART® communication circuitry to the two-wire process control loop in a first configuration;
• and
• providing a second pair of electrical terminals adapted to couple the Profibus communication circuitry to the two-wire process control loop in an alternative second configuration.

A two-wire process transmitter for use in monitoring an industrial process, comprising:

• Profibus communication circuitry configured to couple to a two-wire process control loop and operate in accordance with Profibus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
• Fieldbus communication circuitry configured to couple to the two-wire process control loop and operate in accordance with Fieldbus communication protocol and completely power the transmitter with power received from the two-wire process control loop;
• a first pair of electrical terminals adapted to couple the HART® communication circuitry to the two-wire process control loop in a first configuration;
• and
• a second pair of electrical terminals adapted to couple the Fieldbus communication circuitry to the two-wire process control loop in an alternative second configuration.