Product Overview
The Honeywell 620-0086 Parallel Link Driver Module is a communication interface device used in Honeywell’s 620 Series Distributed Control Systems (DCS), particularly in TDC 2000 and TDC 3000 environments. This module serves as a crucial link between the control processors and peripheral systems or expansion racks, enabling high-speed parallel data exchange with minimal latency.
The 620-0086 Parallel Link Driver Module is designed for use in redundant, high-reliability systems that require robust, low-error-rate communication between distributed components. It is ideal for process control systems where signal integrity, speed, and fault-tolerant design are essential.
Key Features
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High-speed parallel data communication link
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Facilitates connectivity between main controller and remote or I/O racks
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Supports synchronous communication with minimal delay
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Reliable error-checking and fault detection mechanisms
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Designed for redundant and non-redundant configurations
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Rack-mounted module, plug-and-play with Honeywell 620 backplane
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Status and diagnostic LEDs on front panel for monitoring
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Supports long-distance parallel communication (with extenders)
Technical Specifications
| Item | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model Number | 620-0086 |
| Product Type | Parallel Link Driver Module |
| System Compatibility | Honeywell 620 Series (TDC 2000 / TDC 3000) |
| Communication Type | Parallel (synchronous) |
| Data Transfer Method | Bit-parallel, hardware-controlled |
| Link Support | Single or dual redundant link configurations |
| Supported Distance | Up to 100 meters (with standard cabling) |
| Status Indicators | LEDs for link activity, power, and error |
| Error Detection | CRC, parity, and line-level signal validation |
| Mounting | Rack-mounted in Honeywell 620 I/O chassis |
| Hot-Swappable | No |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Compliance | CE, UL, CSA, RoHS |
| Dimensions | 220 x 120 x 60 mm |
| Weight | 0.26 kg |
Industry Applications
The 620-0086 Parallel Link Driver Module is used in a wide range of industries requiring fast and reliable data exchange between control and remote subsystems:
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Oil & Gas Refineries – Ensures seamless communication between local and remote control units
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Chemical Processing Plants – Used in redundant DCS links for critical process lines
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Power Generation Facilities – Drives data between turbines, control rooms, and safety systems
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Water Treatment Plants – Interfaces central controllers with widely spaced valve/IO locations
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Metals & Mining Operations – Connects high-power equipment controllers with remote monitoring nodes
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Pharmaceutical Plants – Maintains synchronized data paths between cleanroom control elements
Product Advantages
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High-Speed Data Integrity: Ensures accurate, low-latency communication between system components
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Redundant Communication Support: Enables fault-tolerant operation in critical systems
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Field-Proven Design: Part of Honeywell’s trusted 620 architecture
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Real-Time Synchronization: Ideal for systems needing deterministic behavior
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Simple Diagnostics: Front-panel LEDs make status and fault checking easy
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Versatile Deployment: Compatible with both main controller and I/O rack installations
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Compact Form Factor: Saves space in dense control cabinets
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Minimal Maintenance: Long service life with passive cooling and solid-state design
Frequently Asked Questions (FAQ)
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What is the function of the Honeywell 620-0086 module?
It provides parallel communication between the main controller and peripheral systems in a DCS. -
Is this module hot-swappable?
No. Power down the system before removing or inserting this module. -
Does it support redundant communication?
Yes. It is designed for use in single or dual redundant link configurations. -
What type of communication does it use?
Synchronous parallel communication for high-speed, reliable data transfer. -
What kind of diagnostics are available?
Front-panel LEDs indicate status, link activity, and error conditions. -
Can it be used in non-Honeywell systems?
It is specifically engineered for Honeywell 620 Series and is not compatible with third-party systems. -
What is the maximum supported cable length?
Up to 100 meters using standard parallel cabling and signal conditioning. -
Does it require special software configuration?
No user configuration is typically required—recognition is automatic within the DCS environment. -
Is it CE/UL certified?
Yes. It is compliant with CE, UL, CSA, and RoHS directives. -
Where can I get replacements or spares?
Modules are available through Honeywell authorized industrial automation distributors.
Related Models
| Model Number | Description |
|---|---|
| 620-0036 | Serial Communication Interface Module |
| 620-0083C | Processor Power Module (Enhanced Version) |
| 620-0056 | 620 Series Main Processor Module |
| 620-0071 | Analog Input Module |
| 620-0095 | Digital Output Module |
| 620-0074 | Power Distribution Module |
Popular Honeywell Models
| Model Number | Description |
|---|---|
| FC-QPP-0001 | Quad Processor Cluster Module |
| FC-PSU-240516 | Power Supply Module, 24V 5A |
| FC-PDIO01 | Safety Digital I/O Module |
| FS-TSRO-0824 | Redundant Digital Output Field Termination Assembly |
| FC-IOTA-R24 | Redundant I/O Termination Assembly |
| FTA-T-14 | Fail-Safe Digital Output Field Termination Assembly |
Company Information
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