Honeywell – R7428C6646 Modbus Communication General-Purpose Digital Controller

MPN: R7428C6646 · Brand: Honeywell

Price on request

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Honeywell Building Management Systems (BMS)
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can R7428C6646 be shipped?

R7428C6646 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up R7428C6646 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for R7428C6646 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for R7428C6646, subject to availability and destination.

R7428C6646 is a general-purpose digital controller designed by Honeywell for air conditioning equipment control applications. R7428C6646 has networking functions, and both communication interfaces adopt ModBus RTU communication format widely used in the industry. R7428C6646 has the best flexible design and expansion space for both stand-alone operation and a networked control . Features & Benefits:

Regional networking function (two sets of RS485 ModBus RTU ports);

Provide HVAC and general control low-cost, cost-effective solutions

High precision control: Temperature ± 0.1°C and relative humidity ± 0.5%

Set values are saved permanently

With PID (Proportional Integral Difference) control

Simple programming tools

132 KB flash memory program space

Honeywell R7428C6646 — Modbus Communication General-Purpose Digital Controller. PartnerPLC sources new, surplus and discontinued Honeywell parts — request a quote for price, condition and lead time.