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| Brand Name : | TORLEO | 
| Model Number : | TOP-5879F1-C41PY-LDA | 
| Certification : | SIL3 | 
| Delivery Time : | 5-8 work days | 
Smart valve positioner, straight stroke, double acting, failsafe
Built in valve position upper and lower limit contact output, easy to realize interlocking control. TOP-5879F1 series basic and intrinsically safe products have unique structural design.The built-in valve position upper and lower limit contact output module is an option. Users who need this function can easily implement it without any external devices.
Performance indicators
| Item | Indicator | 
| Input signal | 4~20mA or 4~20mA+HART, split-range control can be set | 
| Sensor type | N/A | 
| Gas source | pressure 1.4~6bar; no oil, no moisture, no dust and dirt | 
| Journey | 10~150mm | 
| Input resistance | 490☊(max.)/20mA(DC) | 
| Electrical interface | NPT1/2 or user customized | 
| Pneumatic interface | NPT1/4 | 
| Repeatability | ±0.3%F.S. | 
| Linear | ±0.3%F.S. | 
| Hysteresis | ±0.3%F.S | 
| Sensitivity | ±0.2%F.S | 
| Output characteristics | linear, quick opening (25:1, 50:1), equal percentage (1:25, 1:50) | 
| Protection class | IP66 | 
| Explosion-proof grade | without | 
| Security level | SIL3 | 
| Fault state | failsafe Off power, off signal, off gas, the valve is in the initial state | 
| Operating temperature | -30℃~85℃ | 
| Material | die-cast aluminum | 
| Gross weight | 2Kg | 
| Dimensions | 240L*80W*110H (mm) | 
Product application field
TORLEO brand TOP-5879F1 series smart valve positioner are used in conjunction with pneumatic control valves, and are widely used in metallurgy, power generation, paper-making, environmental protection and other industries where process control is required.
Typical valve application
Double-acting ball valve, double-acting butterfly valve, V-shaped ball valve, yellow valve, damper valve
Technical features of the product
Nozzle baffle + symmetrical membrane valve structure, strong ability to resist dust, moisture and oil;
Built-in keyboard and large LCD screen, the positioner can be debugged without a handheld operator;
HART communication, modular design, convenient for users to choose and use;
Valve position output, modular design, convenient for users to choose and use;
Configure linear, quick opening, equal percentage and user-defined flow characteristics;
One-key auto-tuning operation to meet the needs of users for quick installation and fool-like debugging;
PID compound control algorithm can achieve 0.1-0.3% control accuracy.
Selection guide for TOP-5879F1 C series smart valve positioner

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