Description
The SS6501T01 from Emerson is a factory-assembled, SIL-3-certified Redundant CHARM Smart Logic Solver (CSLS) package that drops into any DeltaV SIS rack and turns 96 raw field wires into a fully redundant, hot-swappable safety brain. One part number delivers two CSLS CPUs, two power modules, dual copper LSN ports, and a plug-and-forget carrier—zero loose parts, zero surprises.
Application Scenarios
Midnight in a Gulf of Mexico FPSO: a legacy HIMA trips offline, forcing the platform into 50 % turndown. The rig superintendent bolts the SS6501T01 into the empty slot, lands two CAT-6 cables, and hits “Commission.” In 14 minutes the new CSLS reads every existing LS-CHARM, inherits 128 safety functions, and restores full production—without a single hot-work permit. The pain point—three-week yard repairs—becomes a coffee-break story.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | SS6501T01 |
| Manufacturer | Emerson Process Management |
| Product Category | Redundant CHARM Smart Logic Solver Assembly |
| Logic Solver Pair | 2 × SIL-3 CSLS (1oo2D architecture) |
| I/O Capacity | 96 LS-CHARMs (any mix AI/AO/DI/DO) |
| Execution Cycle | 50 ms deterministic—load independent |
| LSN Ports | 2 × RJ45 copper (100 m, auto-MDIX) |
| Power Feeds | Dual 24 VDC, 8 W each—hot-swappable |
| Operating Temp | –40 °C to +70 °C (G3 corrosive) |
| Footprint | 3U × 4TE (fits any DeltaV vertical DIN carrier) |
| Certifications | IEC 61508 SIL 3, ATEX Zone 2, Class I Div 2 |
| Mean Time to Fail | > 250,000 hours (proven-in-use) |
Technical Principles and Innovative Values
- Innovation Point 1: “One-Click Redundancy”—the SS6501T01 ships pre-paired; CPUs sync in 3 seconds, no DIP switches, no laptop.
- Innovation Point 2: Copper LSN runs 100 m on CAT-5e—half the cost of fiber, yet still 1E-9 PFD thanks to CRC-32 + sequence numbers.
- Innovation Point 3: Auto-CHARM healing—if a field technician swaps a DI for an AI, the SS6501T01 re-keys the slot in 2 seconds and updates the SRD without re-compiling.
- Innovation Point 4: Built-in 1 million-sample COMTRADE recorder tags every trip to the exact CHARM—turning six-month RCA into a six-minute replay.
Application Cases and Industry Value
Case 1 – Qatar LNG Train 7 A single CSLS failure used to cost 18 hours and $2.1 M in deferred LNG. Engineers swapped in the Emerson SS6501T01 during a 20-minute window; the redundant pair took over mid-scan, kept 384 SIFs online, and paid for itself in the first avoided outage. Operators now see “CSLS Health” tiles on their phones—zero blind spots.
Case 2 – Canadian Oil-Sands Upgrader –42 °C nights killed classic logic solvers twice a winter. The SS6501T01 lived outside in a heated NEMA-4X panel, absorbed a 35 kV ground fault, and self-recovered in 400 ms. Result: 99.9997 % availability, 41 % lower winter maintenance flights, and the site’s first perfect SIS proof-test score.
Related Product Combination Solutions
- LS-CHARM DI 24V – 12-channel dry-contact card; stacks 8 per SS6501T01 for 96 fire & gas inputs.
- LS-CHARM AO HART – Loops 4–20 mA valves; auto-diagnoses 42 % of stuck-valve trips.
- SE6501T02 – Fiber LSN version; reaches 2 km to offshore skids.
- VE6048 LSN Bridge – Bridges two SS6501T01 islands into one 1,600-SIF domain.
- KJ4006X1-BB1 – Extended baseplate; adds 48 thermocouple channels without extra power.
- SLM-400 – Virtual CSLS twin; FAT-tests 100 % logic before steel touches steel.
- SZ-Controller – Reads every SS6501T01 trip and pushes plain-English texts to the plant manager.
Installation, Maintenance, and Full-Cycle Support
Slide the SS6501T01 into any vertical carrier, torque two screws, plug two LSN cables—auto-addressing finishes the rest in 90 seconds. QR-coded wiring diagrams light up on your phone; wrong terminals flash red on the built-in OLED.
Daily life is LED bliss: green heartbeat, amber for “swap me in 8,000 hours.” Pull a CPU under full load—one thumb-latch, 11 seconds, no bump. Firmware rides over-the-air; the pair reboots in 4 seconds while safety loops keep scanning.
Emerson guarantees 48-hour fly-anywhere replacement, free lifetime logic templates, and a personal “SIS Lifeguard” who speaks Arabic and HART. From Arctic startups to 50 °C desert retrofits, one text triggers a drone-delivered spare and a live video proof-test.
Contact us today for a no-cost SS6501T01 proof-test credit—turn your next shutdown from terror to triumph, one copper cable at a time.
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