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| +8613666033393 | ||||||||
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Yokogawa S2SC70D Duplexed Safety Control Unit
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Yokogawa S2SC70D Duplexed Safety Control Unit
The Yokogawa S2SC70D Duplexed Safety Control Unit is a high-reliability, rack-mounted control unit designed for safety-critical applications. Supporting both N-IO and FIO architectures, it ensures dual-redundant operation, making it ideal for industries requiring stringent safety integrity.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | S2SC70D (Duplexed Safety Control Unit) |
| Processor | MIPS R5000 |
| Main Memory | 128 MB |
| Control Network | Dual-redundant Vnet/IP |
| Power Supply Options | 100–120 V AC / 220–240 V AC / 24 V DC |
| Power Consumption | 100–120 V AC: 200–240 VA / 24 V DC: 5.5–7.0 A |
| Operating Temperature Range | -20°C to +70°C (with wide-temp model) |
| Mounting | Rack-mounted |
| Dimensions (W×H×D) | 264.4 × 482.6 × 399.2 mm |
| Weight | Approx. 13 kg |
Applications
-
Safety Instrumented Systems (SIS) in process industries
-
Emergency shutdown (ESD) systems
-
Burner management systems (BMS)
-
Turbomachinery protection
-
Pipeline safety monitoring
-
Chemical and petrochemical plant control
Advantages
-
Dual-redundant configuration ensures high availability
-
Supports both N-IO and FIO, offering flexibility
-
Wide operating temperature range available
-
Modular, rack-mounted design simplifies maintenance
-
Meets international safety and EMC standards
-
Memory protection with non-volatile storage and battery backup
FAQ
Q1: What is the main advantage of the S2SC70D over the S2SC70S?
A1: The S2SC70D offers a duplexed (redundant) configuration, enhancing system reliability and fault tolerance.
Q2: Which communication network does it use?
A2: It uses dual-redundant Vnet/IP for control network communications.
Q3: Does the unit support both N-IO and FIO?
A3: Yes, it is compatible with both N-IO and FIO architectures.
Q4: What is the operating temperature range?
A4: The standard model operates from -20°C to +40°C; the wide-range model supports up to +70°C.
Q5: How is the application program protected during power failures?
A5: The program is stored in non-volatile memory with battery-backed storage for management data.
Q6: How many I/O nodes can be connected?
A6: Up to 32 N-IO nodes and 13 Safety Node Units can be connected.
Q7: What are the power supply options?
A7: It supports 100–120 V AC, 220–240 V AC, and 24 V DC power supplies.
Q8: How often should the backup battery be replaced?
A8: Recommended replacement cycle is every 3 years under normal temperature conditions.
Q9: Is it suitable for hazardous areas?
A9: Yes, explosion-protected versions are available with appropriate options.
Q10: How is it mounted?
A10: It is rack-mounted using standard M5 screws and comes with insulating bush accessories.
Recommended Related or Similar Yokogawa Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| S2SC70S | Safety Control Unit (Single) | 264.4 × 482.6 × 399.2 | 7.9 kg |
| SCP461 | Processor Module (Style S2) | Module for SCS rack | N/A |
| SPW481 | Power Supply Module 100–120 V AC | Module for SCS rack | N/A |
| SPW482 | Power Supply Module 220–240 V AC | Module for SCS rack | N/A |
| SPW484 | Power Supply Module 24 V DC | Module for SCS rack | N/A |
| SNB10D | Safety Node Unit | Rack-mounted | N/A |
Popular Yokogawa Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| CENTUM VP | Distributed Control System (DCS) | Varies | Varies |
| ProSafe-RS | Safety Instrumented System | Rack-mounted | Varies |
| STARDOM FCN | Network-based Controller | Compact module | Varies |
| DX2020 | Paperless Recorder | 288 × 288 × 260 | ~6 kg |
| EJX110A | Differential Pressure Transmitter | 120 × 150 × 150 | ~5 kg |
| YTA610 | Temperature Transmitter | Compact head-mounted | ~1 kg |
FAQ
Q1: What is the main advantage of the S2SC70D over the S2SC70S?
A1: The S2SC70D offers a duplexed (redundant) configuration, enhancing system reliability and fault tolerance.
Q2: Which communication network does it use?
A2: It uses dual-redundant Vnet/IP for control network communications.
Q3: Does the unit support both N-IO and FIO?
A3: Yes, it is compatible with both N-IO and FIO architectures.
Q4: What is the operating temperature range?
A4: The standard model operates from -20°C to +40°C; the wide-range model supports up to +70°C.
Q5: How is the application program protected during power failures?
A5: The program is stored in non-volatile memory with battery-backed storage for management data.
Q6: How many I/O nodes can be connected?
A6: Up to 32 N-IO nodes and 13 Safety Node Units can be connected.
Q7: What are the power supply options?
A7: It supports 100–120 V AC, 220–240 V AC, and 24 V DC power supplies.
Q8: How often should the backup battery be replaced?
A8: Recommended replacement cycle is every 3 years under normal temperature conditions.
Q9: Is it suitable for hazardous areas?
A9: Yes, explosion-protected versions are available with appropriate options.
Q10: How is it mounted?
A10: It is rack-mounted using standard M5 screws and comes with insulating bush accessories.
Recommended Related or Similar Yokogawa Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| S2SC70S | Safety Control Unit (Single) | 264.4 × 482.6 × 399.2 | 7.9 kg |
| SCP461 | Processor Module (Style S2) | Module for SCS rack | N/A |
| SPW481 | Power Supply Module 100–120 V AC | Module for SCS rack | N/A |
| SPW482 | Power Supply Module 220–240 V AC | Module for SCS rack | N/A |
| SPW484 | Power Supply Module 24 V DC | Module for SCS rack | N/A |
| SNB10D | Safety Node Unit | Rack-mounted | N/A |
Popular Yokogawa Models
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| CENTUM VP | Distributed Control System (DCS) | Varies | Varies |
| ProSafe-RS | Safety Instrumented System | Rack-mounted | Varies |
| STARDOM FCN | Network-based Controller | Compact module | Varies |
| DX2020 | Paperless Recorder | 288 × 288 × 260 | ~6 kg |
| EJX110A | Differential Pressure Transmitter | 120 × 150 × 150 | ~5 kg |
| YTA610 | Temperature Transmitter | Compact head-mounted | ~1 kg |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
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