Description
YOKOGAWA PSCCM22AAN Product Overview
The YOKOGAWA PSCCM22AAN is a high-performance signal conditioner and isolator module designed for precise signal processing in industrial automation systems. Part of Yokogawa’s extensive signal conditioning product line, this unit provides reliable isolation, conversion, and distribution of analog signals in critical process control applications.
Key Features
Signal Isolation: 1500V AC (input-to-output-to-power)
High Accuracy: ±0.1% of span
Wide Input/Output Range: Supports 4-20mA, 0-10V, thermocouples, and RTDs
Compact DIN-Rail Mounting: Space-saving design for control panels
Robust Industrial Design: -20°C to +60°C operating range
Technical Specifications
| Parameter | Specification |
| Model | PSCCM22AAN |
| Manufacturer | YOKOGAWA |
| Type | Signal Conditioner / Isolator |
| Input Signals | 4-20mA, 0-20mA, 0-10V, TC (J/K/T/E), RTD (Pt100, JPt100) |
| Output Signals | 4-20mA, 0-20mA, 0-10V (isolated) |
| Isolation | 1500V AC (input/output/power) |
| Accuracy | ±0.1% of span |
| Power Supply | 20-30V DC |
| Response Time | <250ms |
| Operating Temp. | -20°C to +60°C |
| Housing Material | Flame-retardant plastic |
| Mounting | DIN rail (TS35) |
| Certifications | CE, UL, ATEX (Zone 2) |
YOKOGAWA PSCCM22AAN
Main Features & Benefits
1. High-Precision Signal Conditioning
Supports multiple input types (mA, V, TC, RTD) with auto-calibration
±0.1% accuracy ensures reliable process monitoring
Low drift (±0.01%/°C) for stable long-term performance
2. Advanced Isolation & Protection
1500V isolation prevents ground loops and noise interference
Surge & reverse polarity protection for harsh industrial environments
Short-circuit proof output for fault tolerance
3. Flexible & Easy to Use
DIP-switch configuration for quick setup
LED indicators for power and signal status
Hot-swappable for maintenance without downtime
YOKOGAWA PSCCM22AAN
Application Fields
Process Industries
✔ Oil & Gas: Signal conditioning for pressure/flow transmitters
✔ Chemical Plants: Isolation of analog signals in corrosive environments
✔ Power Plants: Temperature and pressure monitoring
Factory Automation
✔ Motor Control: 4-20mA signal isolation for VFDs
✔ PLC I/O Modules: Safe signal distribution
✔ HVAC Systems: Temperature signal conditioning
Related Products
| Model | Description |
| PSCCM21AAN | Single-channel version |
| PSCCM24AAN | 4-channel high-density isolator |
| AXR10D | Advanced signal converter |
| YTA320 | Temperature transmitter |
| ADM11B | Legacy signal conditioner |
Installation & Maintenance
Installation Guidelines
Mount on DIN rail (TS35) with proper spacing for heat dissipation
Use shielded cables for noise immunity
Verify input/output ranges before power-up
Maintenance Recommendations
Annual calibration check for accuracy
Inspect terminals for corrosion or looseness
Monitor LED status for fault detection
Product Guarantee
✅ 3-year warranty (extendable to 5 years)
✅ Global technical support (24/7)
✅ Firmware updates for performance improvements
✅ Traceable calibration (ISO 17025 accredited)
The YOKOGAWA PSCCM22AAN ensures reliable, noise-free signal transmission in industrial automation, making it ideal for safety-critical and high-precision applications.
