中文版
Phone: 
Email: 
WhatsApp: Description
SHINKAWA VM-751B2 – Redundant Power Supply Module for VM-7 Series Monitoring System
Product Overview
The VM-751B2 is a secondary power supply module designed for Shinkawa’s VM-7 series, a platform compliant with API 670 and ISO standards for critical rotating machinery protection. It converts 100–240 VAC wide-range input to regulated DC outputs, powering vibration, temperature, and relay modules in turbine, generator, and compressor monitoring systems. This unit addresses power instability and single-point failure risks, ensuring continuous operation of condition monitoring in power plants, oil and gas, and heavy industrial sites.
Technical Specifications — VM-751B2
| Parameter | Value |
|---|---|
| Product Model | VM-751B2 |
| Manufacturer | SHINKAWA |
| Product Type | Secondary Power Supply Module |
| Power | Input: 100–240 VAC, 50/60 Hz; Output: ±24 VDC, 1.9 A |
| Communication / Protocol | No onboard communication; system bus connectivity |
| Operating Temperature | 0 °C ~ +50 °C |
| Mounting | 19-inch rack mount, VM-76B instrument rack compatible |
| Dimensions (HxWxD) | 128 × 20 × 250 mm |
| Weight | 0.8 kg |
| Typical Interfaces | Screw terminals for AC input and DC output |
| Compliance | API 670, CE, RoHS |
SHINKAWA VM-751B2
Key Features and Benefits — VM-751B2
- Wide-Range AC Input: Accepts 100–240 VAC for global deployment, reducing inventory for multi-site operations.
- Redundancy Support: Works alongside primary supplies to eliminate single-point failures, boosting system reliability.
- Regulated DC Output: Delivers stable ±24 VDC to power VM-7 series modules, ensuring consistent monitoring accuracy.
- Rack-Mount Design: Fits standard 19-inch VM-76B racks, enabling seamless integration with existing monitoring setups.
- Robust Protection: Built-in overvoltage, overcurrent, and short-circuit protection safeguards connected modules.
- Compact Footprint: Slim 20 mm width saves rack space, supporting dense system configurations with up to 44 channels.
Related Models
- SHINKAWA VM-751B1: Primary power supply variant for standalone or redundant system use.
- SHINKAWA VM-701B: Vibration/displacement monitor module for shaft and bearing health tracking.
- SHINKAWA VM-721B: 18-channel relay module for alarm and trip logic configuration.
- SHINKAWA VM-741B: Local communication module for data access and system configuration.
Installation and Maintenance — VM-751B2
- Installation: Insert into VM-76B rack slots; connect AC input and DC output via screw terminals; ground per site standards.
- Maintenance: Check LED power indicators regularly; keep rack ventilation clear; no routine calibration required.
- Operation: Pair with primary supplies for redundancy; avoid exceeding 1.9 A output; operate within 0 °C to +50 °C range.
