Product Overview
The HONEYWELL 10303/1/1 03501 Power Supply Distribution Module (PSD) efficiently manages power delivery between redundant Central Parts and non-redundant I/O sections. It consolidates 5 Vdc outputs from dual PSUs into a single regulated feed for stable system performance. Moreover, its design ensures equal voltage drops between connected modules, supporting consistent operation even under heavy load.
The PSD requires no separate power input and must be installed near the PSU modules to minimize voltage loss. Each PSU in the system requires one PSD for optimal load balancing and system reliability.
Functional Highlights
- Stable Voltage Output: Maintains a 5 Vdc regulated supply with ±5 % tolerance for the I/O section.
- Redundant Power Integration: Combines dual PSU outputs into a single, reliable source.
- High Current Handling: Supports up to 20 A current with low forward voltage drop.
- Compact Form Factor: Occupies only 4 TE width and 3 HE height (≈ 4 HP, 3U).
- Efficient Power Routing: Ensures equal voltage distribution between the Central Part and I/O modules.
- Easy Maintenance: Modules can be exchanged safely when PSU power is off.
Technical Specifications
| Parameter | Description |
|---|---|
| Model / Type | 10303/1/1 03501 |
| Approvals | CE, TÜV, UL |
| Software Compatibility | All versions |
| Physical Size | 4 TE × 3 HE (≈ 4 HP × 3U) |
| Power Input | None (no separate power source required) |
| Max. Current Capacity | 20 A (module dissipation limit) |
| Max. Forward Voltage Drop | 0.55 V |
| Max. Reverse Voltage | 30 V |
| Connector Type | DIN 41612-H 15 P (faston) |
| Connector Current Limit | 10 A per pin |
| Installation Cable Size | ≥ 2.5 mm² (AWG 14) |
| Current Limit (no suffix) | 12 A max |
Tip: To maintain voltage accuracy, mount the PSD close to its corresponding PSU.
System Integration
The 10303/1/1 03501 PSD integrates seamlessly into Honeywell’s redundant power architecture. It supports stable power flow between dual PSUs and single I/O sections, ideal for distributed control systems (DCS) and process automation networks. In addition, its compatibility with all software versions simplifies replacement and system upgrades.
For instance, in systems requiring continuous operation, the PSD’s equalized voltage routing prevents supply imbalance that could affect I/O precision or module longevity.
Details
| Weight | 1.2 kg |
|---|---|
| Dimensions | 64 × 323 × 516 mm |
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