Honeywell Experion PKS Series 8 | 8C-TDOLA1 | Digital Output Module

Technical Summary

The 8C-TDOLA1 is a high-density Digital Output (DO) module designed specifically for the Honeywell Experion PKS Series 8 I/O architecture. This module provides 32 channels of discrete control, allowing the C300 controller to manage field devices such as solenoid valves, pilot lights, and motor starters. Built with a focus on cabinet space optimization, the 8C-TDOLA1 features a compact vertical form factor that maintains superior thermal performance and high-speed signal switching for modern process automation requirements.

Hardware Specifications

The technical data provided below outlines the operational parameters and electrical limits for the 8C-TDOLA1 module.

• Channel Count: 32 Discrete Output Channels

• Output Type: Current Sourcing (Active high)

• Operating Voltage: 24 VDC nominal

• Maximum Current Per Channel: 0.5 A

• Total Module Current Limit: 16 A (dependent on TBP rating)

• Response Time: < 5 ms (On/Off)

• Galvanic Isolation: 2500 VDC (Between field circuitry and logic)

• Heat Dissipation: 6.5 W (Typical at full load)

• Short Circuit Protection: Electronic current limiting per channel

• Diagnostic Capabilities: Integrated loop feedback and module health monitoring

• Operating Temperature: -40°C to +70°C (-40°F to +158°F)

• Storage Temperature: -55°C to +85°C

Operational Reliability and Installation

Utilizing the Series 8 Input/Output Termination Assembly (IOTA), the 8C-TDOLA1 supports non-interrupted control through its robust design. The module includes sophisticated diagnostics that can detect field wiring issues, ensuring that the process remains online even during maintenance windows. Its hardware-based current limiting protects the internal circuitry from field-side faults, significantly reducing the Mean Time To Repair (MTTR) by isolating electrical surges.

Frequently Asked Questions

Does the 8C-TDOLA1 support output redundancy?Yes, the 8C-TDOLA1 can be configured in a redundant pair when used with the appropriate Redundant IOTA, ensuring that the control output remains active if one module hardware failure occurs.

How does the module handle over-current events?Each channel is equipped with independent electronic protection. If a solenoid or field device draws current exceeding the 0.5 A threshold, the module will limit the current and report a diagnostic fault to the Experion system without affecting the operation of the remaining 31 channels.