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Product Overview
Honeywell 900R12-0300 is a 12-slot I/O rack designed for use with the ControlEdge HC900 hybrid control system. It supports versatile I/O module combinations, ideal for scalable process automation in industries such as power, chemical, and water treatment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 900R12-0300 |
| Type | I/O Rack (12-slot) |
| Dimensions (H x W x D) | 137 × 571.5 × 151.7 mm |
| Weight | 4.072 kg |
| Mounting | DIN Rail / Surface Mount (with 4 screws) |
| Material | PVC, UL94-V0 flame rating |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to 70 °C |
| Relative Humidity | 10%–90% (non-condensing) |
| Power Support | Supports standard and redundant PSU |
| Certification | CE, UL, FM, ATEX, CSA, IECEx |
Applications
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Process Automation: Ideal for chemical plants, water/wastewater treatment, and food processing.
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Hybrid Control Systems: Integrates both loop and logic control for batch or continuous processes.
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Remote I/O Integration: Suitable for distributed system topologies in SCADA or DCS environments.
Key Advantages
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Scalable: Supports up to 12 I/O modules for large control needs.
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Hot Swap Capable: I/O modules can be inserted or removed under power.
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Flexible Configuration: Compatible with various analog, digital, and relay modules.
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High Reliability: Galvanic isolation and conformal coating ensure durability in harsh environments.
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Efficient Maintenance: LED indicators and auto-sensing features streamline diagnostics and module identification.
Frequently Asked Questions (FAQ)
Q1: What is the maximum number of modules the 900R12-0300 can support?
A1: It supports up to 12 I/O modules.
Q2: Can the modules be inserted or removed while powered?
A2: Yes, the rack supports hot-swapping of modules under power.
Q3: Is this rack compatible with redundant power supplies?
A3: Yes, but for full redundancy, the 900R12R-0300 model is preferred.
Q4: What types of modules can be used in the rack?
A4: Supports analog input/output, digital input/output, relay output, and universal I/O modules.
Q5: What certifications does the 900R12-0300 comply with?
A5: CE, UL, FM, ATEX, CSA, and IECEx.
Q6: What is the typical operating temperature range?
A6: From 0°C to 60°C.
Q7: How is field wiring handled?
A7: Through screw-type barrier or Euro terminal blocks.
Q8: What material is used for the tray and end caps?
A8: Polyvinyl Chloride (PVC) rated UL94-V0 for flame resistance.
Q9: Can it be mounted on DIN rails?
A9: Yes, standard 35 mm DIN rail mounting is supported.
Q10: Does it include built-in power supply?
A10: No, power supplies such as 900P01 or 900P24 are installed separately.
Related ControlEdge HC900 Models
| Model | Description | Slots | Dimensions (mm) | Weight |
|---|---|---|---|---|
| 900R04-0300 | 4-slot I/O Rack | 4 | 137 x 266.7 x 151.7 | 2.104 kg |
| 900R08-0300 | 8-slot I/O Rack | 8 | 137 x 419.1 x 151.7 | 3.126 kg |
| 900R08R-0300 | 8-slot Rack w/ Redundant Power | 8 | 137 x 530.9 x 151.7 | 4.422 kg |
| 900R12R-0300 | 12-slot Rack w/ Redundant Power | 12 | 137 x 683.3 x 151.7 | 5.252 kg |
| 900RR0-0300 | Redundant CPM Rack | – | 137 x 261.6 x 151.7 | 1.751 kg |
| 900C50-0460 | HC900 Controller Module | – | 137 x 38.1 | 360 g |
Popular Honeywell Models
| Model | Description | Type | Dimensions (mm) | Weight |
|---|---|---|---|---|
| 900A01-0202 | Universal Analog Input Module (8 Ch) | Analog Input | 137 x 35.6 | 210 g |
| 900A16-0103 | High-Level Analog Input Module (16 Ch) | Analog Input | 137 x 35.6 | 397 g |
| 900B08-0202 | Analog Output Module (8 Ch) | Analog Output | 137 x 35.6 | 400 g |
| 900G32-0301 | Digital Input Module (32 Ch, 24 VDC) | Digital Input | 137 x 35.6 | 175 g |
| 900H01-0202 | Relay Output Module (8 Ch) | Relay Output | 137 x 35.6 | 425 g |
| 900P01-0501 | 120/240VAC Power Supply Module (60W) | Power Supply | 137 x 72.6 | 820 g |
