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Description

The Honeywell 621-9938R Serial Input/Output Module (SIOM) is a redundant communication unit designed for Honeywell TDC 3000 systems. It manages the serial I/O card file and interfaces with the 621-9939 Serial Link Module, ensuring reliable data exchange in mission-critical industrial automation.

Specifications

  • Manufacturer: Honeywell
  • Model Number: 621-9938R
  • Type: Serial I/O Module (SIOM)
  • System Compatibility: Honeywell TDC 3000 / ISSC 600 systems
  • Points Supported: 8 / 16 / 32 point configurations
  • Dimensions: 33 × 23 × 13 cm
  • Weight: 1.85 lbs (≈0.84 kg)
  • Condition: Brand new, in stock
  • Warranty: 12 months
  • Origin: USA

Features

  • Redundant Operation: Supports dual redundant serial I/O lines for high reliability.
  • System Integration: Interfaces directly with 621-9939 Serial Link Module in processor card file.
  • Flexible Configuration: Available in 8, 16, or 32 point setups.
  • Industrial Compliance: Certified under CE, TUV, UL508, and CSA standards.
  • Durability: Designed for long-term use in mission-critical automation environments.
  • Installation: Requires terminating resistors (200/300 ohm) at extreme ends of serial channels.
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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