The Yokogawa PSCAMAAN (identified by part number A5E0023936304) is a high-integrity Critical Analog Module (CAM) designed for the Yokogawa ProSafe-PLC Safety Instrumented System (SIS) platform.
Originally developed in partnership with Siemens Energy & Automation (incorporating legacy Moore Products Co. safety architecture), this module handles safety-critical analog input signals for high-risk industrial processes, emergency shutdown (ESD) systems, and burner management applications requiring high availability and fault tolerance.
Technical Specifications
| Parameter | Specification |
| Manufacturer | Yokogawa / Siemens Energy & Automation (ProSafe-PLC Platform) |
| Product Series | ProSafe-PLC Safety Instrumented System |
| Model Code | PSCAMAAN |
| Part / Order Number | A5E0023936304 (Alternative legacy format: 16404-500 series) |
| Module Type | Critical Analog Module (CAM) / Analog Input Card |
| Safety Integrity Level | Certified for safety applications up to SIL 3 |
| Operating Voltage | 24 V DC nominal (internal rack-bus powered) |
| Input Signal Range | 4 to 20 mA analog field loops |
| Operating Temperature | -20°C to +70°C (-4°F to +158°F) system dependent |
| Mounting Format | Plug-in Eurocard module for ProSafe-PLC subrack / card racks |
Core Features & Operating Capabilities
- High-Integrity Safety Processing: Engineered to monitor critical analog field measurements (such as pressure, temperature, and level) in safety-instrumented loops where failure-to-danger must be strictly prevented.
- ProSafe-PLC Architecture Integration: Designed to slot directly into standard ProSafe-PLC chassis backplanes, integrating seamlessly with companion critical control modules (PSCCM) and discrete modules (PSCDM).
- Fault-Tolerant Loop Monitoring: Incorporates advanced internal diagnostics to continuously check for open circuits, short circuits, out-of-range field values, and internal component health.
- Industrial Hardening: Built with robust electronic shielding and conformal-coated printed circuit assemblies to withstand harsh plant environments, electromagnetic interference (EMI), and thermal extremes.
