Yokogawa RS-EL56 Safety PLC Module
$264.00
$378.00
Description
Overview
The RS‑EL56 from Yokogawa is a high-reliability module designed for ProSafe‑RS safety instrumented systems and CENTUM distributed control systems. Engineered for critical applications, this versatile module is available in multiple configurations, functioning as a SIL3-certified safety PLC, relay output module, or high-performance communication/I/O module. Its robust architecture ensures consistent operation in demanding industrial environments.
Technical Specifications
General Specifications
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Product Model: RS‑EL56
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System Compatibility: ProSafe‑RS, CENTUM
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Safety Certification: SIL3 (IEC 61508, ANSI/ISA 84)
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Origin: Japan
Relay Output Version
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Output Type: Dry-contact relay
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Channel Count: 8 or 16
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Rated Voltage: 24 V DC
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Contact Load: Low-to-medium power switching
I/O & Communication Version
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Input Types: Analog, digital, pulse
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Sampling Rate: 1 Hz – 100 kHz
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Accuracy: ±0.01% FS
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Reliability: MTTF > 100,000 hours
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I/O Capacity: Up to 256 inputs / 256 outputs
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Communication Protocols: Modbus, ASCII, RTU
Processing & Memory
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Processor: 10 MHz
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Memory: 64 KB RAM, 32 KB EPROM
Applications
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Emergency Shutdown (ESD) systems
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Fire & Gas detection
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Industrial process automation
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Machine control and monitoring
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Data acquisition and logging
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External device switching
FAQ / Related Information
Q: What is the difference between RS‑EL56 configurations?
A: Depending on your system requirements, RS‑EL56 can function as a SIL3-certified safety PLC, a relay output module, or a communication/I/O module.
Q: Is this module compatible with other Yokogawa DCS systems?
A: Yes, it integrates with ProSafe‑RS and CENTUM architectures.
Q: What is the typical lifetime of this module?
A: The mean time to failure (MTTF) exceeds 100,000 hours under standard operating conditions.
Q: Can RS‑EL56 control high-power devices directly?
A: The relay outputs support low-to-medium power loads; higher power devices require appropriate interfacing.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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