Description
Key Technical Specifications
- Model Number: PSCCM22AAN-16418-5312
- Manufacturer: YOKOGAWA / Moore. Series: ProSafe-PLC / QUADLOG
- Module Type: CCM+ Critical Control Module, safety processor
- Power Input: 24 VDC, 0.6 A maximum
- Safety Integrity: SIL 3 capable per IEC 61508 / IEC 61511
- Form Factor: Rack-mounted safety card, front panel status LEDs
- Redundancy: Supports hot standby redundant pair in qualified ProSafe-PLC racks
- Communication: Internal rack bus and system peer communication; +/-15 Vdc signaling interface
- Ambient Operating Range: 0 °C to 70 °C, Class I Div 2, T4A rated
- Diagnostics: Built-in CPU, memory, communication and I/O fault detection
- Weight: ~1.9 kg
Functional Role & Application Analysis
The PSCCM22AAN is the safety CPU inside a ProSafe-PLC rack. It does not handle ordinary DCS regulatory control. It executes safety logic, compares diagnostic results, drives trip actions and reports faults to the host system. When this module fails, the rack cannot run safety functions; the site faces bypassed protection or forced shutdown, depending on redundancy configuration.
Many sites treat it like a generic PLC card. That mistake causes unplanned downtime. It is a safety-certified processor. Firmware revisions, program checksum and rack slot rules all matter. A physically matching unit with mismatched firmware can cause silent misdiagnostics or unexpected trips.
Typical use cases:
- ESD emergency shutdown racks for refining, petrochemical and offshore facilities
- Fire and gas safety control panels with automated mitigation logic
- Burner management and furnace safety systems in power and process units
- Legacy QUADLOG / ProSafe-PLC maintenance where full migration is not yet scheduled
Our Quality Standard & Testing Process
We understand that the cost of an unreliable safety part is not just the purchase price. A misbehaving CCM+ can invalidate SIL claims, force process shutdown or leave hazards undetected. We do not ship visually clean units without safety-focused testing.
- Visual & Component Inspection: Full cleaning and inspection of edge connectors, board traces and capacitors. Any corrosion, bent pins or rework without factory traceability rejects the unit.
- Powered Rack Burn-In: Module installed in a matched ProSafe-PLC test rack and run continuously for 24 hours. We record LED states, heartbeat and fault logs.
- Safety Communication Test: We exercise rack bus and peer communication paths to confirm no intermittent dropouts under thermal load.
- Firmware & Revision Audit: We read and document installed firmware. We flag any revision mismatch against your target rack before shipment.
- Warranty Backing: Only units passing all safety-level diagnostics are released. All shipped modules carry our full 12-month warranty.
Compatibility & Migration Paths
To ensure this PSCCM22AAN-16418-5312 works in your safety rack, you must verify several items. Skipping these steps is a common root cause of trip events and audit findings.
- Firmware/Hardware Revisions: The part suffix 16418-5312 is a specific revision variant. Your existing rack backplane, companion I/O modules and safety program must be compatible. Older revisions may not communicate or may reject the new card.
- Required Components: Redundant pairs need matching revisions and proper termination. You cannot mix Rev 2 and Rev 4 in a hot standby pair without vendor review.
- Replacement & Alternatives: This is a legacy safety processor. Direct drop-in replacements exist only within the same revision family. If your site has ongoing migration plans, we can review whether a ProSafe-RS migration path reduces long-term spare risk.
- Get Expert Help: Send your rack model, current module part number/rev, firmware version and safety program ID. Our engineers will confirm fit, redundancy rules and audit documentation before you purchase.
