Honeywell 621-6550RC Digital Output Module
$209.00
$450.00
Description
Product Description
The Honeywell 621‑6550RC is a rugged Digital Output (DO) Module engineered for seamless integration with Honeywell 620/621 Series, TDC 2000, and TDC 3000 distributed control systems. Designed to drive discrete field devices, this module reliably switches relays, solenoids, contactors, alarms, and interlock circuits with precision.
The RC variant features a conformal coating, providing enhanced protection against humidity, corrosive gases, dust, and other harsh industrial conditions. This makes it an ideal choice for demanding applications in power generation, petrochemical, refining, and manufacturing environments.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 621‑6550RC |
| Product Type | Digital Output Module |
| System Compatibility | Honeywell 620/621 Series, TDC 2000, TDC 3000 |
| Output Type | Discrete digital outputs (relay or transistor configurable) |
| Output Voltage | 24 VDC (standard) |
| Output Current | 2 A per channel, 5 A per group of 4 channels, 12 A maximum per module |
| Channels | 16-point multi-channel output |
| Isolation | Channel-to-channel and channel-to-logic isolation |
| Environmental Protection | Conformal coating (RC version) for high-humidity and corrosive environments |
| Diagnostics | Status LEDs for each channel and overall module health |
| Mounting | Standard 620/621 Series rack-mounted backplane |
| Operating Temperature | 0°C to 60°C |
| Dimensions | Standard 620-series module form factor |
| Weight | 1.49 lbs |
Key Features
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Reliable switching of relays, solenoids, and other discrete devices
-
Conformal-coated electronics for extended life in corrosive or humid environments
-
Channel-to-channel and logic isolation for high noise immunity
-
Rugged construction and long service life
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Built-in diagnostics with status LEDs for troubleshooting
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Compatible with legacy Honeywell DCS systems for easy replacement
Application Scenarios
The 621‑6550RC is widely deployed in industrial plants requiring precise digital output control:
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Power generation stations for relay and alarm control
-
Petrochemical and refining units for valve interlocks
-
Manufacturing plants for process shutdown sequences
-
Emergency alarm and safety interlock circuits
FAQ / Model Comparison
Q: What is the main difference between 621‑6550 and 621‑6550RC?
A: The RC variant features conformal-coated electronics for enhanced protection against moisture, dust, and corrosive gases.
Q: Can this module drive both relay and transistor outputs?
A: Yes, output type is configurable depending on system requirements.
Q: How many outputs can be used simultaneously?
A: Each channel supports up to 2 A, groups of 4 channels up to 5 A, and the total module load up to 12 A.
Features
Minimalna količina porudžbine (MOQ)
Dobrodošli su nam veleprodajni nalozi i imamo minimalnu količinu narudžbine od samo jedne jedinice.
Sertifikati i dokumentacija
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Vreme isporuke
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Metode plaćanja
Prihvatamo 100% T/T (telegrafski transfer) plaćanje pre slanja. Za artikle sa vremenom isporuke, zahteva se avans od 30%, dok se preostalih 70% plaća pre slanja. Za RMB transfere, molimo kontaktirajte nas ako imate agenta u Kini.
Garancija
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