TC-FOD161 | Honeywell 16-Channel 24VDC Digital Source Output Module

Product Description

The TC-FOD161 is a high-density discrete output module engineered for the Honeywell Experion PKS and FlexBus I/O architectures. Designed as a "sourcing" module, it provides a 24VDC signal to field-side loads, making it ideal for interfacing with solenoids, contactors, and indicating lights. This module is built for deterministic control, ensuring that the transition from logic states to physical actuation is handled with high reliability. Its robust electronic design incorporates backplane power management to maintain signal integrity across the FlexBus backplane.

Technical Specifications

• Model Identification: TC-FOD161

• Output Configuration: 16-Point Digital Sourcing

• Bus Interface: FlexBus I/O Compatibility

• External Power Supply: 24 VDC (Nominal)

• Logic Voltage: 5 VDC (Backplane)

• Internal Current Draw: 60 mA @ 5 VDC

• Hardware Category: PLC Discrete Output Module

• Net Weight: 0.22 kg (approx. 0.49 lbs)

• Lifecycle Status: Discontinued by Manufacturer (Legacy Spares Support)

Operational Implementation

The TC-FOD161 is a critical component for maintaining existing Honeywell FlexBus installations. In a sourcing configuration, the module supplies the 24VDC positive rail to the load, which is then connected to a common ground. This is the preferred method in many industrial safety standards to ensure that a short-circuit to ground does not inadvertently trigger the output. Given its status as a discontinued item, this module is a vital resource for plant maintenance teams looking to avoid full system migrations while sustaining the operation of legacy DCS or PLC racks.

Frequently Asked Questions

• What is the difference between a "Source" and "Sink" module?

  The TC-FOD161 is a sourcing module, meaning it provides current from the positive terminal to the field device. A sinking module would provide the path to the negative common or ground.

• Can this module be used in standard C300 or C200 racks?

  This unit is specifically designed for the FlexBus I/O interface. Compatibility depends on the specific baseplate and bridge modules installed in your chassis configuration.