YOKOGAWA UR1800

Description

1. Product Description

2. Technical Parameters

Parameter	Specification
Product Type	Remote I/O Unit (Modular, Rack-Mount/Panel-Mount)
Power Supply	24 V DC (-15% to +20%), redundant option available
Communication	Profibus DP V1 (12 Mbps), Modbus RTU (RS-485), Ethernet/IP (optional)
I/O Capacity	Up to 16 modules per unit (e.g., 16x digital input/output, 8x analog input/output)
Compatibility	Yokogawa Centum VP, ProSafe-RS; third-party devices via standard protocols
Environmental Ratings	IP65/IP66 (front panel), -40°C to 70°C (operation), 5–95% RH (non-condensing)
Dimensions	120 mm (W) x 150 mm (H) x 100 mm (D)
Weight	0.5 kg (unit only); 1.2 kg (with modules)
MTBF	>500,000 hours (at 40°C, according to Yokogawa reliability tests)

UR1800

3. Advantages and Characteristics

• Modular Scalability: Supports up to 16 I/O modules (e.g., ADM14 analog input, DXM14 digital output) for customized configurations.
• Rugged Design: IP65/IP66 protection and wide temperature range (-40°C to 70°C) for outdoor/harsh environments.
• Redundant Architecture: Optional dual power supply and communication links (e.g., Profibus DP redundancy) for zero downtime.
• Real-Time Diagnostics: Built-in LED indicators and remote monitoring via Yokogawa’s ProSafe-RS software for predictive maintenance.
• Energy Efficiency: Low power consumption (≤5 W idle, ≤15 W 满载) with sleep mode for standby operations.

4. Application Areas and Cases

• Industries: Manufacturing (assembly lines), energy (wind/solar farms), water treatment, and oil & gas (pipeline monitoring).
• Scenarios: Remote data acquisition, distributed control in hazardous zones, and machine-to-machine (M2M) communication.
• Case Study: A solar farm in Australia deployed 50 UR1800 units with ADM14 analog modules to monitor 1,000+ solar panels. The units’ IP66 protection and -40°C to 70°C tolerance ensured 99.8% uptime over 2 years, reducing maintenance costs by 30%.

5. Competitor Comparison

Compared to similar remote I/O units, the UR1800 offers superior environmental ratings (IP66 vs. typical IP65) and native support for Yokogawa’s DCS ecosystems, minimizing integration complexity. Its modular density (16 modules/unit) exceeds most competitors (8–12 modules/unit), while redundant communication (Profibus DP V1 redundancy) is standard—features often optional in 竞品.

YOKOGAWA UR1800

6. Selection Recommendations

• Protocol Needs: Choose Profibus DP, Modbus RTU, or Ethernet/IP variants based on existing infrastructure.
• Environment: Opt for IP66 models for outdoor use; verify temperature range (-40°C to 70°C) for extreme climates.
• I/O Density: Plan module count (e.g., 8x analog + 8x digital) and chassis size (120 mm width) for space-constrained sites.
• Redundancy: Enable dual power supply and communication links for critical applications (e.g., oil refineries).

7. Precautions

• Installation: Ensure proper grounding and cable shielding (e.g., Profibus shielded twisted pair).
• Module Compatibility: Use only Yokogawa-approved I/O modules (e.g., DXM14, ADM54) to maintain warranty and performance.
• Temperature Management: Avoid stacking units in enclosed spaces; ensure adequate ventilation for 70°C operation.
• Redundancy Testing: Regularly validate communication failover (e.g., Profibus DP redundancy) and power supply switching.