Description
YOKOGAWA SC42-SP34 Product Overview
The YOKOGAWA SC42-SP34 is a high-performance signal conditioner and isolator designed for critical industrial process applications. This advanced unit provides electrical isolation, signal conversion, and distribution while maintaining signal integrity in noisy industrial environments.
Key Features
✔ 4-channel signal conditioning module
✔ Universal input support (TC, RTD, mV, mA, V)
✔ High accuracy (±0.1% of span)
✔ 1500V isolation (input/output/power)
✔ DIN-rail mounting for space efficiency
Technical Specifications
| Parameter | Specification |
| Model | SC42-SP34 |
| Manufacturer | YOKOGAWA |
| Type | Signal Conditioner/Isolator |
| Channels | 4 |
| Input Signals | TC (J/K/T/E), RTD (Pt100), 0-20mA, 0-10V, ±50mV |
| Output Signals | 4-20mA, 0-10V (isolated) |
| Isolation | 1500V AC (input/output/power) |
| Accuracy | ±0.1% of span |
| Temp. Coefficient | ±0.015%/°C |
| Response Time | <250ms |
| Power Supply | 20-30V DC |
| Operating Temp. | -20°C to +60°C |
| Dimensions | 22.5mm (W) × 110mm (H) × 115mm (D) |
YOKOGAWA SC42-SP34
Main Features & Benefits
1. Versatile Signal Conditioning
Auto-sensing input technology automatically detects signal type
Individual channel configuration for mixed signal applications
Linearization for TC and RTD inputs
2. Robust Protection
Surge/short-circuit protection on all channels
Reverse polarity protection for power supply
EMC immunity per IEC 61000-6-2
3. Advanced Diagnostics
LED status indicators per channel
Open/short circuit detection
Predictive maintenance alerts
Application Field
Process Industries
Oil & Gas: Field transmitter signal conditioning
Chemical Plants: Isolation of analog signals
Power Generation: Turbine monitoring systems
Factory Automation
PLC signal interfacing
Motor control systems
HVAC monitoring
YOKOGAWA SC42-SP34
Related Products
| Model | Description |
| SC42-SP44 | 8-channel version |
| SC42-SP24 | Basic 4-channel isolator |
| AXR10D | Advanced signal converter |
| YTA320 | Temperature transmitter |
Installation & Maintenance
Installation
DIN rail mounting (TS35)
Use shielded cables for noise immunity
Proper grounding essential
Maintenance
Annual calibration check
Quarterly terminal inspection
Firmware updates as available
