SSC10S-S2121 Yokogawa ProSafe-RS Datasheet & Technical Manual

Yokogawa SSC10S ProSafe-RS Safety Control Units

Yokogawa SSC10S ProSafe-RS Safety Control Units

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YOKOGAWA SSC10S ProSafe-RS Safety Control Unit The YOKOGAWA SSC10S-S2121, also cataloged as the SSC10S Safety Control Unit, operates as a...

رمز المنتج: SSC10S

Manufacturer: Yokogawa
Product No.: SSC10S
Product Type: Safety Control Units
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 7900g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

YOKOGAWA SSC10S ProSafe-RS Safety Control Unit

The YOKOGAWA SSC10S-S2121, also cataloged as the SSC10S Safety Control Unit, operates as a dedicated hardware component for safety logic execution within ProSafe-RS Safety Instrumented System platforms. The unit processes process inputs and updates discrete interlock parameters via redundant execution paths to maintain protective barriers. Armed with dual MIPS R5000 processors, the device calculates logic solutions in parallel while verifying data consistency across the internal memory registers.

Hardware Specifications

Parameter	Specification
Model	SSC10S-S2121
Brand	YOKOGAWA
Origin	United States
Weight	0.3 kg (Net component weight) / 7.9 kg (Standard chassis configuration)
Dimensions	3.2 x 13.3 x 15.2 cm (Net component dimensions)
Operating Temp	Up to 50 deg C (Standard version) / Up to 70 deg C (Fan-assisted version)
Power Consumption	200 to 290 VA
Processor Architecture	MIPS R5000 RISC CPU
System Memory	32 MB with Error-Correcting Code (ECC) RAM
Data Retention Limits	Battery-backed memory capacity up to 3 years at less than or equal to 30 deg C
Safety Integrity Level	SIL3 certification compliance capability
Network Interface	Dual-redundant V net/IP and ESB bus links
I/O Subsystem Capacity	Up to 8 modules per unit / up to 9 safety node units per processor node

Safety Instrumented System Architecture & Execution

The hardware platform enforces independent galvanic isolation throughout its communication boundaries to prevent unexpected electrical faults from disabling the functional loops. The dual-redundant processing layout drives lockstep hardware synchronization, ensuring that any logic discrepancy results in immediate fail-safe state execution. Operating over isolated backplane pathways, the V net/IP system architecture runs diagnostic cross-checks to verify node integrity without interrupting the primary millisecond execution scan.

Frequently Asked Questions

Q: How does the internal hardware execute the fail-safe state if memory parity errors are detected inside the system RAM?

A: The 32 MB ECC RAM constantly scans for bit errors. If a multi-bit uncorrectable fault occurs inside the memory matrix, the hardware synchronization unit breaks the lockstep validation path, isolates the corrupted processing channel, and immediately commands the safety control network to drop out to a predefined, zero-voltage fail-safe configuration.

Q: What operational risks develop if the standard version lacks the fan-assisted mounting plate in hot environments?

A: Exceeding the 50 deg C limit on the standard housing accelerates component degradation and triggers internal over-temperature warning states. For environments scaling up to 70 deg C, engineers must employ the fan-assisted variant to enforce active heat dissipation across the internal RISC components.

Q: Is field synchronization available for sequence-of-events recording across distributed systems?

A: Yes. The hardware accommodates an optional IRIG-B interface board that accepts direct GPS time synchronization inputs. This allows the processor to stamp incoming discrete trips and alarm sequences with microsecond accuracy across independent safety nodes.

Field Installation Guidelines

Chassis Attachment Procedure: Align the safety control assembly with the designated rack slots. Secure the chassis frames using standard M5 screws, tightening them until the frame establishes stable mechanical contact with the rack grounding rail.
Shielding Ground Connection: Clamp all external communication shields directly to the low-impedance master functional ground bar. Do not daisy-chain the drain wires between multiple cards, as this induces ground loop interference.
Wiring Clearance Parameters: Route all primary AC input connections inside dedicated structural trays separated from the low-voltage ESB bus signaling lines. Ensure a minimal physical separation barrier of 300 mm to prevent noise transmission.
Battery Maintenance Cycle: Verify the voltage baseline of the internal backup cell during routine plant shutdown schedules. Replace the internal battery assembly before the 3-year lifespan threshold is reached to prevent safety logic loss during a total power failure.

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