1 PCS new ABB SNAT 7901 control board #LYQ007
1 PCS new ABB SNAT 7901 control board #LYQ007
1 PCS new ABB SNAT 7901 control board #LYQ007
Part Number: SNAT 7901 (Genuine ABB Accessory Control Board)
Alternate P/N: N/A (Fully Compatible with ABB 800xA DCS and Industrial Control Systems)
Brand: ABB Industrial Automation
Product Category: Industrial Accessory Control Board (Signal Processing & Interface Expansion Module)
Product Series: ABB SNAT Series Accessory Modules (Dedicated for ABB 800xA Distributed Control Systems and Industrial Automation Platforms)
Core Application: Specifically designed as an accessory control module for ABB industrial control systems, widely applied in power generation, oil & gas, chemical engineering, and metallurgy industries. It serves as a key interface between field devices and DCS, responsible for signal conversion, logic control, and data transmission, ensuring seamless integration of sensors, actuators, and other peripheral equipment with ABB 800xA systems. Ideal for scenarios requiring high-precision signal processing and reliable system expansion in harsh industrial environments.
Core Features: High-precision analog/digital signal processing capability; seamless integration with ABB 800xA system communication bus; modular design for flexible system expansion; rugged industrial-grade housing with strong EMI shielding performance; built-in self-diagnostic function for real-time fault monitoring and feedback; support for hot-swap maintenance to minimize system downtime; low power consumption and stable operation under extreme voltage fluctuations; compliance with international industrial safety and EMC standards; compact structure suitable for cabinet-mounted installation.
2. Electrical Specifications
Operating Voltage: 24V DC (wide voltage range: 19.2V DC ~ 28.8V DC); voltage tolerance: ±10%; frequency: 50/60Hz (passive signal compatibility); no additional AC power input required.
Power Consumption: ≤12W (typical, full load operation); ≤15W (maximum, peak load condition with all I/O channels active).
I/O Channels: Analog Input: 8 channels (4-20mA, 0-10V DC, configurable); Analog Output: 4 channels (4-20mA, 0-10V DC); Digital Input: 16 channels (dry contact, TTL level); Digital Output: 8 channels (relay output, 2A/250V AC).
Signal Performance: Analog Signal Resolution: 16-bit; Linear Error: ≤±0.05% Full Scale; Digital Signal Response Time: ≤1ms; Signal Processing Delay: ≤50μs for analog signals.
Filtering Performance: Built-in high-performance EMI filter and low-pass filter; configurable filter cutoff frequency (1Hz ~ 1kHz) for analog signals; effective suppression of grid noise and electromagnetic interference to ensure signal stability.
Monitoring & Control Interface: Compatible with ABB 800xA system internal communication bus; 1 × RS-485 (Modbus RTU protocol) for peripheral communication; 1 × USB port for local configuration and maintenance; real-time transmission of working status and fault information to DCS control unit.
Protection Functions: ESD Protection: ±8kV (contact discharge), ±15kV (air discharge) per IEC 61000-4-2; Overvoltage/Undervoltage Protection (power input); Overcurrent Protection (output channels); Short-Circuit Protection (digital output); Isolation Protection: 2500V AC (signal circuit to power circuit, 1 minute); Overheating Protection with alarm feedback.
1 .Our company specializes in automation industrial control accessories. We have more than 100,000 products.
Including : frequency converter, servo driver, servo motor, data acquisition card, industrial camera, touch screen, circuit board, DCS module, soft starter, industrial computer,encoder... etc
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