Foxboro RH922VU 8-Channel Isolated Output Communication Module
$177.00
$350.00
Description
Description
The Foxboro RH922VU is an 8-channel, channel-isolated output communication module designed for I/A Series distributed control systems. It delivers highly reliable 4–20 mA signals to field devices such as valves, actuators, and drives. Moreover, its HART® compatibility enables seamless digital communication with smart instruments, enhancing monitoring and control accuracy. The module’s modular, hot-swappable design ensures rapid installation, maintenance, and system scalability in complex industrial environments.
Key Features
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Eight isolated output channels ensure safe and interference-free signal transmission.
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Supports HART® protocol, enabling integration with smart field devices.
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Hot-swappable and modular design simplifies maintenance and upgrades.
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Redundancy support enhances system reliability in critical applications.
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Robust industrial-grade construction suits petrochemical, power, pharmaceutical, and water treatment environments.
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High accuracy and fast response optimize process control performance.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Foxboro |
| Model | RH922VU |
| Series | I/A Series |
| Module Type | Channel-Isolated Output Communication Module |
| Output Channels | 8 Isolated Channels |
| Output Signal Range | 0 to 20.4 mA DC |
| Output Load | 0 to 750 Ω (maximum) |
| Accuracy | ±0.05% of span |
| Resolution | 13 bits |
| Settling Time | 100 ms to 95% of output value |
| Communication Protocols | HART®, Foxboro proprietary, Modbus |
| Communication Interface | 2 Mbps HDLC Fieldbus |
| Power Supply | 24 V DC |
| Isolation | Channel-to-channel isolation |
| Operating Temperature | -20°C to +70°C |
| Design | Modular, hot-swappable |
| Redundancy | Supports redundant controllers |
Typical Applications
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Process automation in petrochemical and chemical plants for precise valve and actuator control.
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Integration with power generation systems for reliable monitoring and output control.
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Pharmaceutical and water treatment facilities requiring high-accuracy signal transmission.
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Systems needing redundant controllers to maintain continuous operation under fault conditions.
FAQ
Q: Can the RH922VU module communicate with smart field devices?
A: Yes, it supports HART® protocol for full digital communication with smart instruments.
Q: Is the module hot-swappable?
A: Yes, its modular design allows hot-swapping without interrupting system operation.
Q: How many isolated output channels does it provide?
A: It offers eight fully channel-isolated outputs to prevent interference and ensure safety.
Q: What industries is this module suitable for?
A: It is ideal for petrochemical, pharmaceutical, power generation, and water treatment industries.
Q: Does it support redundant controllers?
A: Yes, the RH922VU enhances system reliability with redundancy support.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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