Description
G123825001 AMPLIFIER BUFFER 4-20 MA 24 VDC DIN RAIL MOUNT PLC INTERFACE MULTIPLE INPUT/OUTPUT FACTORY WARRANTY MAY NOT APPLY. RADWELL 2-YEAR WARRANTY INCLUDED
The G123-825 Buffer Amplifier is intended to interface between the output of standard signal sources, such as a PLC or servo amplifier, and a Moog servo\ proportional valve. It accepts three types of signal input and can output most of the Moog servo\proportional valve signals.
on one side, and a Moog valve on the other. This enables old mfb valves to be replaced by modern electrical feedback (efb) valves, without changing the servo amplifier. The buffer amplifier takes the existing servo amplifier output and converts it to an efb compatible signal. Input filter: The G123-825 has a filter to remove noise from the input signal. The filter time constant is switch selectable. The switch selections sum, so a large variety of time constants is available. Outputs: The output signals are switch selectable. They are: • 4 to 20 mA fixed. Suitable for efb valves • 0 to ±10 V fixed. Suitable for efb valves • 0 to ±5 to ±100 mA switch selectable. Suitable for mfb valves. Suitable for efb valves when set to ±10 mA The output current selector switches can have more than one selected, so the selected values sum. For example, selecting 30 and 50 mA together gives a full scale output of ±80 mA. The buffer amplifier is housed in a compact DIN rail housing and requires a 24 VDC supply. Front panel test points and valve drive LEDs facilitate commissioning and trouble shooting.
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[Service contact information]
Tel: 18030177759 (WeChat with the same number)
WhatsApp：+86 18030177759
QQ：2797820256
Address: Unit 2009, 20/F, 1733 Luling Road, Siming District, Xiamen
Shipment: EMS, DHL, UPS and FEDEX
Payment method: telegraphic transfer
Supply capacity: 30 sets/set per month
Price: the more orders, the lower the price
Delivery: inventory, delivery within 3 days
Address: Unit 2009, Innovation Center, 1733 Lvling Road, Siming District, Xiamen
① 24 hours email reply (12 hours);
③ For goods shipped to countries outside Asia, please contact the Seller.
Xiamen Xiongba E-commerce Co., Ltd. main brand;
ABB GE
bentley Woodward
FOXBORO
WESTINGHOUSE Schneider
AB Motorola
GE EMERSON
YOKOGAWA Honeywell
EPRO ICS TRIPLEX
It is mainly used as the card driver of the spare parts module for the four major systems of PLC DCS robot servo
1. For inventory items, we will ship them to you within 3 days after receiving payment
2. We can ship goods to all parts of the world through DHL, UPS, FEDEX, TNT and EMS.
3. If you have a freight forwarder, please inform us before shipment.
4. We will pack the parts in strong boxes. If you have any special needs, please inform us.
5. We usually deliver the goods before 4:30 p.m., and we will send the tracking number to you after delivery. It takes 7-15 days to receive the package.
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11. We are the largest supplier in the region. We have great advantages in all kinds of popular and discontinued models. If you have models and spare parts that you can’t find here, you can boldly send me to help you check!!!!!!
12. We only make spare parts for high-voltage and medium-high voltage products!!!!!!!
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Core Identity: An industrial-grade buffer amplifier manufactured by MOOG, a core component of servo control systems, specifically designed for hydraulic equipment, servo proportional valves, and automated control systems. Its main functions include signal amplification, noise filtering, gain adjustment, and multi-protocol signal conversion, adapting to PLC, DCS, and other industrial standard interfaces.
Technical Features: Built-in single-pole active filter (removes input noise), adjustable output current (supports 4-20mA, 0-10V, ±100mA modes), DIN rail mounting, front panel test points and LED indicators (for easy debugging), compliant with CE certification and industrial safety standards.
Core Functions:
Signal Amplification and Conversion: Converts PLC analog output (e.g., 4-20mA, 0-10V) to MOOG valve-compatible signals, supporting EFB/MFB valve signal conversion.
Noise Suppression: Built-in single-pole active filter filters input signal noise; the filter time constant is adjustable (e.g., 0-100ms range).
Multi-mode output: Supports 4-20mA fixed, 0-10V fixed, and ±100mA adjustable output to adapt to different valve requirements (e.g., EFB valves require 4-20mA, MFB valves require ±100mA).
Interface compatibility: Compatible with PLC and DCS systems, supports DIN rail mounting, dimensions approximately 16×25×12mm, weight 0.16kg.
Technical parameters and performance:
Electrical parameters:
Input signal: Compatible with standard industrial signals such as 4-20mA, 0-10V, and ±10V.
Output configuration: Switchable to 4-20mA fixed, 0-10V fixed, or ±5-100mA switching, compatible with MOOG EFB/MFB series servo valves.
Power requirements: 24V DC, power consumption approximately 65mA, operating temperature range 0°C to 85°C, humidity tolerance 0%-95%.
Protection Rating: IP20, resistant to electromagnetic interference, suitable for harsh industrial environments.
Dynamic Performance:
Frequency Response: Supports 70Hz step response, low signal delay, meeting real-time control requirements.
Accuracy: Output current accuracy ±0.1mA, stable voltage regulation, ensuring high-precision operation of the servo system.
Application Scenarios and Industry Adaptability
Typical Applications:
Industrial Hydraulic Systems: Hydraulic oil pressure control, servo proportional valve drive (e.g., MOOG D661, G761 series).
Automation Control: Integrated with PLC and DCS systems for motion control and process regulation (e.g., motor speed/position control).
Special Industries: Oil and gas (wellhead control), chemical industry (reactor pressure regulation), power industry (generator excitation), metallurgy (rolling mill hydraulic systems), shipbuilding (propeller control), etc.
Laboratory and Testing Equipment: Signal amplification and processing to improve measurement accuracy (e.g., sensor signal conditioning).
Performance Advantages: High reliability, strong anti-interference capability, multi-protocol compatibility, modular design, reducing system downtime risk and improving production efficiency.
Installation and Maintenance Recommendations
Installation Specifications:
Mount to a DIN rail, ensuring good grounding and avoiding electromagnetic interference.
Connection lines must conform to industry standards; sensor installation positions must be precisely aligned with monitoring points.
Maintenance Requirements:
Regularly calibrate the output current and check the status of connection lines and interfaces.
Clean the module surface to prevent dust/oil from affecting heat dissipation and performance.
Back up historical data for trend analysis and fault tracing.
Summary
The MOOG G123-825-001 servo amplifier is a core control component in industrial hydraulic systems, integrating signal amplification, noise suppression, interface conversion, and intelligent diagnostic functions. It is suitable for scenarios with extremely high system stability requirements, such as petroleum, chemical, power, and metallurgy industries. Its high reliability, strong scalability, and industry adaptability make it a key solution for industrial automation and hydraulic control.
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