
Product Overview
The Honeywell 30735863-001 is a 16-relay switching card used in the Reserve Controller Director (RCD) of Honeywell TDC 2000 control systems. It provides switching between primary and reserve controller signals during controller failure, supporting system backup and operational continuity.
Technical Specs
- Manufacturer: Honeywell
- Part Number: 30735863-001
- Product Type: Switching Card
- System: TDC 2000
- Application: Reserve Controller Director (RCD)
- Relay Configuration: 16 Relays
- Primary Controller Capacity: 2 Controllers
- Backup Control: Enable/Disable Toggle Switch
- Status Indication: Backup Operation LED
Key Features
- Supports primary-to-reserve controller switching
- Provides 16 relay switching elements
- Supports PV and output signal switching
- Includes backup enable/disable control
- Provides visual indication during backup operation
FAQ
Q: What is the 30735863-001 used for?
A: It switches process variable and output signals between primary and reserve controllers in an RCD system.
Q: How many primary controllers can it switch?
A: The card supports switching for two primary controllers.
Installation Guide
- Confirm the RCD chassis configuration.
- Isolate the control system before replacing the card.
- Install the 16-relay switching card in its designated position.
- Check relay connections and backup switch settings.
- Test primary and reserve controller switching functions.
Selection Tips
Verify the 16-relay configuration and RCD application. Do not confuse this card with the 30735863-002 12-relay switching card.
Product Condition
Factory New: New, current-production products sourced directly from the manufacturer.
New in Sealed Package: Unused products supplied in their original, factory-sealed packaging.
New in Original Package: Unused products supplied in original manufacturer packaging that was not factory-sealed.
Warranty
Products are covered by a 12-month warranty unless otherwise specified in the quotation or product listing. If a product has a quality issue, it can be exchanged within 12 months or refunded in full in cash. Contact our sales team with your order details if you require warranty assistance.
Shipping Information
In-Stock Items: Same-day dispatch is available for most in-stock orders with cleared payment received before 2:00 PM (UTC+8).
Indent Items: Typical lead time is 1–3 weeks, depending on availability and product scarcity.
Customs & Documentation
International shipments are prepared with a commercial invoice, packing list and available supporting documents. Consignee details, declared value and shipping terms are confirmed before dispatch. Tracking information is provided after shipment.
Payment
Payment is accepted by bank wire transfer only, in USD, EUR, GBP or RMB/CNY. Credit cards and credit terms are not accepted. Cleared payment is required before dispatch unless otherwise agreed in writing.
30-Day Returns
We accept return requests within 30 days of delivery for international orders, subject to our return policy.
To qualify, products must be unused, in their original condition and packaging, with proof of purchase.
How to Request a Return
Contact our sales team with your order number, product details and reason for return. Please obtain return authorization and the correct return address before shipping any items back. Returns are made by mail. Return shipping is not free. It is charged at the actual international air-freight cost based on weight and volume.
Refunds are processed according to our published return and refund policy after the returned items have been reviewed.
Quality issues
Quality issues are covered by the 12-month warranty. Within 12 months, a quality issue can be exchanged or refunded in full in cash.
For full terms, please refer to our Refund Policy.
Frequently ask questions
Click Request a Quote on the product page and provide the part number, quantity, and destination country. Our sales team will reply with availability, pricing, and estimated delivery time.
We supply original industrial automation parts in different new-product conditions, including Factory New, New in Sealed Package, and New in Original Package. The condition of each item is specified in...
Yes. We source obsolete and hard-to-find PLC, DCS, and industrial control components. Send us the exact part number and required quantity so we can check availability.
Most in-stock orders with cleared payment received before 2:00 PM (UTC+8) qualify for same-day dispatch. Indent items typically require 1–3 weeks, depending on availability.
Yes. We ship industrial automation spare parts worldwide. Shipping costs and transit times depend on the destination, package weight, dimensions, and local import requirements.
We commonly ship through DHL, FedEx, UPS, and other international courier services. The carrier is selected based on the destination, shipment size, and delivery requirements.
We accept bank wire transfers in USD, EUR, GBP, and RMB/CNY. Full cleared payment is required before shipment unless otherwise agreed in the written quotation.
Products generally include a 12-month warranty unless otherwise stated in the quotation or product listing. Contact our team with your order details for warranty assistance.
Eligible products may be returned within 30 days of delivery, subject to our return policy. Contact our team for return authorization and instructions before sending any items back.
Yes. Tracking details are provided after dispatch. Commercial invoices, packing lists, and available supporting documents are prepared for international shipments.