Description
Core Product Summary (Brand / Model / Key Attributes)
Honeywell FC-RUSIO-3224 is a Remote Universal Safe I/O module for the Honeywell Safety Manager system. It provides 32 universal safety I/O channels at 24 VDC, with each channel configured in Safety Builder as a digital input, digital output, analog input, or analog output.
The module supports up to 32 digital inputs, including one ESD input with line monitoring; up to 32 digital outputs with a 9 A combined load limit; up to 32 analog inputs; and up to 16 analog outputs with optional open-loop detection. It operates from a 24 VDC supply within -15% to +30%, draws up to 300 mA without field load, and is rated for an external operating temperature of -40 °C to +70 °C. Its 145 × 165.1 × 72.4 mm housing weighs 0.66 kg.
Key Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | Honeywell |
| Model | FC-RUSIO-3224 |
| Product type | Remote Universal Safe I/O module |
| System family | Honeywell Safety Manager |
| I/O channels | 32 universal safe I/O channels |
| Channel configuration | Software configurable in Safety Builder |
| Digital inputs | Up to 32, with or without line monitoring |
| ESD input | Up to 1, with line monitoring |
| Analog inputs | Up to 32, with or without line monitoring |
| Digital outputs | Up to 32, with or without line monitoring |
| Analog outputs | Up to 16, with or without open-loop detection |
| Combined digital-output load | 9 A maximum |
| Digital output type | 24 VDC solid-state source |
| Digital output load | 500 mA maximum resistive load; 1 mA minimum load |
| Digital output voltage drop | Less than 1.5 V at 500 mA |
| Analog output current range | 0 to 23 mA |
| Analog output maximum loop resistance | 500 ohms |
| D/A resolution | 12 bit |
| Inaccuracy | Less than 0.5% of full scale; less than 1% for safety-related use |
| Supply voltage | 24 VDC, -15% to +30% |
| Supply current | 300 mA maximum without field load |
| Reverse-polarity protection | Parallel diode, fuse-blowing type |
| Output protection | Short-circuit-proof outputs |
| External operating temperature | -40 °C to +70 °C (-40 °F to +158 °F) |
| Internal module temperature | -40 °C to +90 °C (-40 °F to +194 °F) |
| Storage temperature | -40 °C to +85 °C (-40 °F to +185 °F) |
| Relative humidity | 10% to 95%, non-condensing |
| Pollution degree | 2 or better |
| Dimensions | 145 × 165.1 × 72.4 mm (H × W × D) |
| Weight | 0.66 kg (1.45 lb) |
| Approvals | CE; UL; TÜV pending |
Detailed Product Overview
The Honeywell FC-RUSIO-3224 is a high-density Remote Universal Safe I/O module used to connect field devices to a Honeywell Safety Manager installation. Its 32 channels are not fixed by hardware: Safety Builder assigns each channel as a digital input, digital output, analog input, or analog output. This makes the module suitable for mixed discrete and analog safety I/O requirements within one module position.
For discrete applications, the module supports up to 32 digital inputs with or without line monitoring, plus one ESD input with line monitoring. Digital outputs are 24 VDC solid-state source outputs, rated for a 500 mA resistive load per channel and a combined module load of 9 A. The documented output characteristics include short-circuit-proof outputs, a voltage drop below 1.5 V at 500 mA, and an off-state current below 0.1 mA.
For analog applications, the module supports up to 32 analog inputs and up to 16 analog outputs. Analog outputs use 12-bit D/A conversion, cover 0 to 23 mA, and support a maximum loop resistance of 500 ohms. Open-loop detection can be enabled for analog outputs, while analog inputs can be configured with or without line monitoring.
The module is powered from 24 VDC within a -15% to +30% tolerance and consumes up to 300 mA before field load. Reverse-polarity protection uses a parallel diode with a fuse-blowing arrangement. Its environmental limits are important for cabinet design: the external operating range is -40 °C to +70 °C, while the internal module temperature may reach +90 °C. The FC-RUSIO-3224 is documented with CE and UL approval, with TÜV approval listed as pending in the referenced hardware documentation.
Engineering Selection Highlights
- The FC-RUSIO-3224 provides 32 software-configurable safety channels, so it can combine digital and analog I/O without committing hardware channels to a fixed input or output function.
- Its 24 VDC supply tolerance of -15% to +30% must be matched to the cabinet power-distribution design and field-power budget.
- Digital outputs are limited to 500 mA per channel and 9 A combined, so loads above these limits require interposing devices.
- Analog outputs support a maximum loop resistance of 500 ohms, which constrains loop burden and cable design.
- The module’s external operating limit of +70 °C and internal limit of +90 °C make airflow, heat dissipation, and adjacent-equipment temperature relevant selection checks.
- Safety Builder is required to configure channel functions, line monitoring, and open-loop detection.
- A redundant configuration requires two FC-RUSIO-3224 modules, so cabinet space, power supply, and SafeNet communication capacity must account for the paired arrangement.
FC-RUSIO-3224
FC-RUSIO-3224
Dimensions, Mounting & Connection Notes
| Item | Verified data |
|---|---|
| Dimensions | 145 mm high × 165.1 mm wide × 72.4 mm deep |
| Weight | 0.66 kg (1.45 lb) |
| Field/system connectors | Weidmüller LPA QB 2 (2-pin) and LPA QB 4 (4-pin) |
| Supply voltage | 24 VDC, -15% to +30% |
| Supply current | 300 mA maximum without field load |
| Reverse-polarity protection | Parallel diode, fuse-blowing type |
| External operating temperature | -40 °C to +70 °C |
| Internal module temperature | -40 °C to +90 °C |
| Storage temperature | -40 °C to +85 °C |
| Relative humidity | 10% to 95%, non-condensing |
| Pollution degree | 2 or better |
System Compatibility & Integration Requirements
| Item / Dependency | Verified Compatibility or Requirement | Practical Note |
|---|---|---|
| Safety system | Honeywell Safety Manager | The FC-RUSIO-3224 is a Remote Universal Safe I/O module for Safety Manager. |
| Engineering tool | Safety Builder | Channel functions and monitoring options are configured in Safety Builder. |
| Channel power | 24 VDC supply | All channels are powered from the 24 VDC supply. |
| Redundant configuration | Two FC-RUSIO-3224 modules | Two modules are required to achieve a redundant configuration. |
| Remote I/O communication | SafeNet redundant Ethernet infrastructure | The module connects field devices to the central safety controller through SafeNet. |
| Field connection | Weidmüller LPA QB 2 (2-pin) and LPA QB 4 (4-pin) connectors | Use the documented connector types for field and system connections. |
| Termination board | Pepperl+Fuchs termination board listed for the 32-channel universal I/O card RUSIO-3224 | Confirm the exact termination-board model and wiring design for the application. |
| Analog output loop | Maximum 500 ohms loop resistance | Include cable resistance and connected-device burden in loop calculations. |
FAQ
What is the Honeywell FC-RUSIO-3224?
It is a Honeywell Remote Universal Safe I/O module with 32 configurable safety channels for the Safety Manager system.
How many channels does the FC-RUSIO-3224 provide?
It provides 32 universal safe I/O channels.
Can its channels be used as inputs or outputs?
Yes. Each channel can be configured in Safety Builder as a digital input, digital output, analog input, or analog output.
How many analog outputs does it support?
It supports up to 16 analog outputs, with or without open-loop detection.
What is the maximum digital-output load?
Each digital output supports up to 500 mA resistive load, and the module supports a combined digital-output load of 9 A.
What supply voltage does it require?
It requires 24 VDC within a -15% to +30% tolerance and draws up to 300 mA without field load.
How is a redundant configuration achieved?
Two FC-RUSIO-3224 modules are required for a redundant configuration.
What are its dimensions and weight?
The module measures 145 × 165.1 × 72.4 mm and weighs 0.66 kg.
What approvals are documented?
The referenced hardware documentation lists CE and UL approvals, with TÜV approval pending.
Verification & Troubleshooting Notes
- Confirm that each channel’s Safety Builder configuration matches the installed field device and wiring: digital input, digital output, analog input, or analog output.
- For digital-output faults, check the per-channel 500 mA limit and the module-wide 9 A combined-load limit; overload, short circuit, or excessive inrush can affect output behavior.
- For analog-output faults, calculate total loop resistance against the 500 ohm maximum and verify the 24 VDC supply and loop wiring.
- Check the 24 VDC supply range, -15% to +30%, when multiple modules experience simultaneous low-voltage or diagnostic symptoms.
- For line-monitoring or ESD-input issues, verify the configured monitoring mode and field-contact wiring before replacing the module.
- Inspect cabinet temperature and airflow when internal-temperature alarms occur; the module’s internal operating limit is +90 °C even though its external ambient limit is +70 °C.
- Use Safety Manager diagnostics and Safety Builder status information to distinguish channel-level faults from communication, power-distribution, or termination-wiring issues.
- Maintain reverse-polarity protection, fusing, and field-wiring arrangements as documented; do not bypass protective devices or safety monitoring functions during troubleshooting.
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