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📦 Product Overview: Honeywell FC‑IOBUS‑CPIO The FC‑IOBUS‑CPIO is a vertical I/O bus module designed to form the backbone communication path between the Controller Chassis (often abbreviated CPCHAS) and ……

Honeywell FC-IOBUS-CPIO I/O Bus from CPCHAS to IOCHAS

Manufacturer: Honeywell
Product Number: FC-IOBUS-CPIO
Product Type: I/O Bus from CPCHAS to IOCHAS
Origin: USA
Dimensions: 120 mm × 30 mm × 25 mm
Weight: 0.31kg
Shipping Port:Xiamen, China
Condition:New & In Stock
Payment Methods:T/T, PayPal, Western Union
Warranty:1 Year
Lead Time:1-3 Working Days
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Honeywell FC-IOBUS-CPIO I/O Bus from CPCHAS to IOCHAS

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📦 Product Overview: Honeywell FC‑IOBUS‑CPIO

The FC‑IOBUS‑CPIO is a vertical I/O bus module designed to form the backbone communication path between the Controller Chassis (often abbreviated CPCHAS) and one or more I/O Chassis (IOCHAS) in industrial distributed control systems (DCS). It enables high‑speed, reliable data transfer for scanning, testing, updating, and synchronising I/O modules. It supports both redundant and non‑redundant configurations, facilitating flexible system design.

It is built to allow compact, lightweight installation, with robust connectors, suitable wire assemblies, and safety/industry approvals. It serves a crucial role in maintaining integrity and timing in the control‑to‑I/O link in large automation systems.

📐 Technical Specifications

Parameter	Value
Model	FC‑IOBUS‑CPIO
Type	Vertical I/O Bus
Function	Connects Controller Chassis (CPCHAS) to I/O Chassis (IOCHAS)
Connection Type	34‑pole flat/latch connector (female)
Wire / Cable	34‑wire flat cable
Weight	0.31 kg
Approvals / Certifications	UL, CSA
Mounting / Orientation	Vertical bus connection, aligned with chassis interfaces
Compatible Chassis Types	CPCHAS‑0001 / 0002 / 0003 and IOCHAS‑0001S/R, 0002S/R, 0003S/R
Usage Modes	Redundant and non‑redundant installations
Application & Environment	Industrial control / DCS

🧩 Brand & Series

Brand: Honeywell
Series / Platform: I/O Bus / Controller‑to‑I/O Chassis Bus for Honeywell DCS / FC series vertical mounting bus systems

🌍 Applications

The FC‑IOBUS‑CPIO is employed in many use‑cases:

In Distributed Control Systems (DCS) where a central controller module needs to communicate with multiple I/O modules spread over one or more I/O chassis.
In industrial process control for chemical, petrochemical, oil & gas plants, where signals from field sensors/actuators traverse from field I/O back to controller, and this bus forms a critical path.
In power generation plants, water treatment, pulp & paper, pharmaceutical manufacturing etc., where deterministic, reliable, and fast data between controller and I/O shelves is essential.
In both redundant and non‑redundant system designs: i.e. systems engineered for failover or single path where cost or design constraints dictate.
For test, scan cycles, firmware updates, diagnostics of I/O modules via the bus.

⭐ Advantages

Lightweight design: ~0.31 kg, making it easy to install, align, or replace.
Compact interface: 34‑pole flat/latch connector ensures high contact density and mechanical reliability.
Approved to major safety standards: UL, CSA approvals support confidence in industrial safety.
Flexible system design: Supports both redundant and non‑redundant controller / I/O chassis configurations.
High integrity and reliability: Flat cable / fixed connectors reduce failure points; vertical bus design ensures stable mechanical alignment.
Essential for synchronisation: Provides path for scanning, testing, updates, ensures timing consistency across I/O modules.
Reduced maintenance overhead: Fewer intermediate connectors; well‑known design; easy diagnostics if something fails.
Ease of integration: Matches many Honeywell chassis and module interfaces; replacements or spares are easier to standardize.

🔄 Related Models (Same Series or Functional Equivalents)

Below are five models in the similar vertical I/O bus / I/O backbone domain, or related Honeywell interface modules.

Model	Function / Role	Connection Type / Channels	Weight (kg)	Approx Size or Other Key Parameter
FC‑IOBUS‑CPIO2	I/O Bus Extension Module; bridges proprietary buses to CPIO	Supports analog, digital, thermocouple inputs; 2 configurable I/O channels	~0.70 kg	~120 × 100 × 60 mm size, input voltage ~24 V DC ±10%
FS‑IOBUS‑CPIO	Control chassis to I/O chassis bus (older or alternate series)	Similar bus function	≈ 0.2‑0.3 kg	Rack‑mountable / 19‑inch compatible; 24 V DC supply
FC‑GMDL16	Digital Input Module	16 digital input channels	~1.0‑1.2 kg	Module dimensions matching series for I/O modules
FC‑GMMD16	Digital Input Module (higher isolation / speed variant)	16 digital inputs	~1.2 kg	Rugged features; for high‑shock / vibration environments
FC‑PDIO01	Digital Input / Output Module	Mixed I/O channels	~1.2 kg	Used where both input & output needed on same module

🔥 Other Popular Models from Same Brand (Honeywell)

Here are five other widely used models from Honeywell for complementary or parallel functions:

Model	Type / Function	Inputs / Outputs	Certifications	Approx Size / Key Parameter	Weight (kg)
FC‑ADAI16	Analog Input Module	16 analog inputs	UL, CE, CSA	Similar module size for analog I/O	~1.2
FC‑AO16	Analog Output Module	16 analog outputs	UL, CE, CSA	Matching I/O module design	~1.2
FC‑GMDL08	Digital Input Module (8 channels)	8 digital inputs	UL, CE	Smaller channel count, same family	~0.8
FC‑GMLD16	Digital I/O module (16 channels, configurable)	16 I/O (mix of input/output)	UL, CE, CSA	Flexible channel config	~1.2
FC‑CTRL100	Control Processor / Controller Head Module	Central logic / processing unit	UL, CE, CSA, redundant variants	Larger, more complex module	~2.5

❓ Frequently Asked Questions (FAQ)

Q1: What exactly does “IOBUS‑CPIO” mean in this context?
A1: It denotes the bus interface that links the Controller Chassis (CPCHAS) to the I/O Chassis (IOCHAS), using the CPIO protocol / connector arrangement.

Q2: What is the primary function of FC‑IOBUS‑CPIO?
A2: Its main role is to carry control, scanning, diagnostics, and update signals between the controller and I/O modules; it is not a processing module itself, but a communication bus connection.

Q3: What connector / cable type is used?
A3: It uses a 34‑pole latch (female) connection with a 34‑wire flat cable, designed for reliable and repeatable contact.

Q4: Is the FC‑IOBUS‑CPIO heavy or bulky?
A4: No — it weighs about 0.31 kg, and the design is compact vertically; it is meant to fit between or connect chassis with minimal added space.

Q5: What approvals / safety certifications does it have?
A5: It carries at least UL and CSA certifications, which are commonly required in industrial control installations.

Q6: Can it be used in redundant controller / I/O chassis configurations?
A6: Yes — it supports both redundant and non‑redundant system architectures, enabling failover or backup design when needed.

Q7: What are typical failure modes and how is reliability addressed?
A7: Potential failure can arise from connector wear, flat cable damage, or poor contact; reliability is improved via robust connectors, proper installation, alignment, and avoidance of repeated flexing.

Q8: Is this module hot‑swappable?
A8: No — because it is a fixed bus connector; removing or inserting it while under system operation could disrupt communication or damage connectors. Proper power‑down or system safe state required.

Q9: What environmental or ambient conditions are supported?
A9: It is designed for industrial ambient conditions; approvals imply certain ranges of temperature, vibration, humidity etc., though exact numbers would depend on chassis specifications and site environment.

Q10: How do I know if this is the correct bus for my existing Honeywell chassis?
A10: Match the model numbers: ensure your controller chassis is one of CPCHAS‑0001/0002/0003 (or compatible), and your I/O chassis is IOCHAS‑000xS or /R in the same family. Also confirm connector type (34‑pole latch female) and physical/spacing compatibility.

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