Product Core Brief
- Model: PSCCM22AAN
- Brand: YOKOGAWA
- Series: ProSafe-RS Safety Instrumented System
- Core Function: Communication module for Yokogawa ProSafe-RS safety control systems, used to support system-level communication and network integration.
- Product Type: ProSafe-RS Communication Module
- Key Specs: ProSafe-RS compatible | Communication card | Safety system application | Yokogawa SCS node module
- Condition: New Original / New Surplus
- Status: Limited availability; confirm revision and configuration before ordering
Key Technical Specifications
- Product type: Yokogawa ProSafe-RS communication module
- Model code:
- System compatibility: Yokogawa ProSafe-RS safety instrumented system / safety control station
- Typical applications: Safety system communication, SCS node expansion, SIS network integration
- Handling: ESD-sensitive safety module; verify revision, slot assignment, and configuration before installation
Note: Public listings identify PSCCM22AAN as a Yokogawa ProSafe-RS communication module, but detailed specifications such as interface type, port count, supported protocols, and exact slot compatibility are not confirmed in available references. Confirm all details against the official Yokogawa ProSafe-RS hardware manual or the module nameplate before procurement.
Product Introduction
The PSCCM22AAN is a Yokogawa ProSafe-RS communication module used within ProSafe-RS safety instrumented systems. ProSafe-RS is Yokogawa’s SIL-certified safety controller family, designed for emergency shutdown, fire and gas monitoring, burner management, and other high-integrity safety functions.
This module is typically used as a communication component inside a ProSafe-RS safety control station. Because ProSafe-RS modules must match the system configuration, revision, and slot requirements, the PSCCM22AAN is mainly relevant for maintenance, replacement, and spare-parts procurement in existing Yokogawa SIS installations.
QA & Inspection SOP
Each unit is inspected before release:
- Nameplate verification: Confirm the model reads PSCCM22AAN and record revision/serial information.
- Visual inspection: Check the housing, connectors, terminals, and mounting clips for damage.
- Connector check: Inspect system-side and communication ports for bent pins, corrosion, or loose contacts.
- Module detection test: Install in a compatible ProSafe-RS rack and verify normal module recognition.
- Diagnostic check: Confirm the module reports no critical faults after startup.
- Communication check: Verify communication status indicators or system diagnostics, if accessible.
- Configuration match: Confirm the module matches the original slot position and system configuration.
- Packaging: Use anti-static packaging and protect connectors during shipment.
Full functional validation requires a compatible ProSafe-RS controller, correct project configuration, and authorized system access.
Installation Pitfalls & Guide
❗ Confirm the ProSafe-RS platform. PSCCM22AAN belongs to the ProSafe-RS safety system family. It should not be treated as a standard CENTUM VP or FCN communication card.
❗ Match the exact model code. The suffix “AAN” may indicate a specific revision or configuration. Do not substitute with other PSCCM variants without confirmation.
❗ Verify slot compatibility. ProSafe-RS communication modules must be installed in the correct slot type and position within the safety control station.
❗ Do not replace safety modules without authorization. Changes to SIS hardware should follow plant change management, loop documentation, and safety testing procedures.
Installation steps:
- Pre-install: Record the original module model, revision, slot position, and configuration data.
- Isolate the node: Follow site safety procedures before removing or replacing ProSafe-RS modules.
- Install: Seat the PSCCM22AAN firmly in the correct ProSafe-RS slot.
- Configure: Verify or load the correct module configuration in the safety engineering station.
- Verify: Check module status LEDs, diagnostic messages, and communication status.
- Test: Perform system-level checks according to the site SIS maintenance procedure.
Technical FAQ
What is PSCCM22AAN?
PSCCM22AAN is a Yokogawa ProSafe-RS communication module used in ProSafe-RS safety instrumented systems.
Which system does it belong to?
It belongs to the Yokogawa ProSafe-RS safety controller family, not the standard CENTUM VP or FCN I/O families.
Can it replace other PSCCM modules?
Not automatically. ProSafe-RS communication modules may differ in interface type, firmware, revision, and slot requirements. Always confirm the exact model code and revision.
Is this module still available new from Yokogawa?
Availability should be confirmed case by case. Surplus and refurbished units are commonly sourced through industrial spare channels.
What should I check before ordering?
Confirm the full model code, revision, original slot position, ProSafe-RS controller model, and system configuration. A nameplate photo is the most reliable way to verify compatibility.









