SSC50D-S2511 Yokogawa Duplexed Control Unit

SSC50D-S2511 Yokogawa ProSafe-RS Duplexed Safety Control Unit

SSC50D-S2511 Yokogawa ProSafe-RS Duplexed Safety Control Unit

Availability: 10 left in stock

Yokogawa SSC50D-S2511 Duplexed Safety Control Unit The Yokogawa SSC50D-S2511, also cataloged as the SSC50D Duplexed Safety Control Unit, operates as...

SKU: SSC50D-S2511

Manufacturer: Yokogawa
Product No.: SSC50D-S2511
Product Type: Safety Control Units
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 8500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SSC50D-S2511 Duplexed Safety Control Unit

The Yokogawa SSC50D-S2511, also cataloged as the SSC50D Duplexed Safety Control Unit, operates as a dedicated hardware component for dual-redundant safety execution and DC power distribution within ProSafe-RS and CENTUM VP platforms. Designed for direct rack installation, the unit interfaces directly with Vnet/IP networks to process field logic signals, drive safety-instrumented functions, and provide stabilized output to associated I/O modules without system disruption.

Suffix Breakdown & Model Matrix

Code / Suffix Segment	Configuration Detail	Functional Specification
Base Model: SSC50D	Duplexed Safety Control Unit	Rack mountable safety controller for Vnet/IP networks
Suffix: S	Standard Type	Operating range -20 to 40 deg C with ISA Standard G3 conformal coating
Suffix: 2	Dual-Redundant Power	Integrated dual-redundant power supply module architecture
Suffix: 5	Non-Explosion Protection	Standard non-incendive housing without explosion-proof rating
Suffix: 1	Power Input	Configured for 100-120 V AC main power supply
Suffix: 1	Function License	Includes CFS1100 Safety Control Function License (for R3)

Hardware Specifications

Parameter	Specification
Model	SSC50D-S2511
Brand	Yokogawa
Origin	Japan
Weight	8.5 kg
Dimensions	Standard CENTUM rack mount format
Operating Temp	-20 to +40 deg C
Power Consumption	120 W
Input Voltage	100-120 V AC (50/60 Hz)
Output Voltage	24 V DC
Output Current	Up to 5 A
Redundancy	Dual-redundant internal execution and dual power supply
Conformal Coating	ISA Standard G3 compliance
System Compatibility	ProSafe-RS safety systems and CENTUM VP networks
Certifications	CE, UL standards

Channel-to-Channel Isolation and 4-20 mA HART Loop Protocol

The SSC50D-S2511 provides galvanically isolated internal sub-circuits and reinforced input-to-output isolation barriers to maintain absolute signal integrity across safety loops. Incoming analog signals from field transmitters, including 4-20 mA HART loop protocol configurations, pass through dedicated channel-to-channel isolation hardware to prevent ground loop noise and cross-talk from corrupting safety logic processing. The high-density processing plane converts discrete and analog safety inputs under strict noise-rejection parameters, allowing HART diagnostic data overlays to traverse the unit backplane toward higher-level DCS asset management platforms without compromising SIL-rated tripping mechanisms.

Frequently Asked Questions

Q: How does the dual-redundant power supply behave during an AC supply line fault?

A: The integrated dual-redundant power structure automatically transfers the entire internal load to the active healthy AC feed without voltage drops or system reset, ensuring uninterrupted execution of safety logic.

Q: Is the unit rated for installation in harsh atmospheric environments containing corrosive gases?

A: Yes, the "S" suffix specification designates factory application of ISA Standard G3 conformal coating, which shields internal electronics against corrosive gas exposure such as hydrogen sulfide and sulfur dioxide.

Q: Can maintenance personnel replace power supply components while the control unit is online?

A: The architecture supports live hot-swap capabilities for sub-modules, provided that electrostatic discharge grounding procedures and cabinet safety locks are strictly observed during replacement.

Field Installation Guidelines

When mounting and wiring the Yokogawa SSC50D-S2511 unit in control enclosures, strictly observe the following technical procedures:

Mount the unit horizontally inside a standard CENTUM rack frame, securing all chassis retention screws to maintain structural grounding and mechanical alignment.
Verify that the AC power supply source matches the 100-120 V AC specification before energizing the dual input terminals.
Connect all field signal wiring shields directly to the dedicated cabinet ground bar using low-impedance ground straps, maintaining clear separation between low-voltage DC signals and AC power lines.
Maintain a minimum vertical clearance of 50 mm above and below the rack unit to facilitate adequate thermal convection across the internal heat dissipation assembly.
Verify that the Vnet/IP bus cable connectors are fully seated and latched into the dual communication ports to ensure redundant network synchronization.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.