Description
The Moog G122-829-001 (also designated as G122-829A001) is a general-purpose, user-configurable proportional-integral (P-I) servo amplifier designed for industrial hydraulic and motion control loops.
In field deployments, this analog module processes command signals and transducer feedback to drive proportional control valves and servo actuators. Internal selector switches and front-panel potentiometers enable configuration for proportional control, integral control, or combined P-I loops across various automated machinery.
Technical Specifications
| Parameter | Value |
| Manufacturer | Moog |
| Product Series | P-I Servoamplifier Series |
| Model / Part Number | G122-829-001 (G122-829A001) |
| Control Type | Proportional-Integral (P-I) feedback control |
| Power Supply Voltage | 24 VDC nominal |
| Command/Input Channels | Multiple configurable inputs (summing error amplifier) |
| Mounting Type | DIN rail mount (horizontal rail with release clip facing downwards) |
| Physical Dimensions | Approx. 21.6 x 17.8 x 6.4 cm (8.5 x 7 x 2.5 inches) |
| Weight | Approx. 0.40 lbs (0.18 kg) |
| Enclosure Protection | IP20 |
| Operating Temperature | Standard industrial enclosure limits (verify with OEM manual) |
Procurement and Availability
- Condition: New Surplus / Factory Sealed / Refurbished Tested options available upon request.
- Lead Time: 1 to 3 business days for stock items; verify factory availability for specific surplus allocations.
- Warranty: 12-month standard warranty from date of shipment.
- Price: Indicative market pricing applies. Price subject to market conditions; contact us for a firm quote.
Integration and Compatibility Notes
The G122-829-001 mounts onto a horizontal DIN rail inside an industrial steel control cabinet. Proper layout planning is required to maintain signal integrity.
- Electromagnetic Interference (EMI): Position the amplifier away from high-noise devices such as variable frequency drives (VFDs) and AC servo drives to prevent EMI-induced drift or instability in the analog control loops.
- Signal Polarity and Feedback: The input error amplifier sums incoming command and transducer signals. Verify that transducer feedback polarity is correctly matched (either via opposite polarity configuration or negative feedback terminal wiring) to ensure stable closed-loop operation.
- Switch Configuration: Internal switches (such as SW4) govern the integration path (selecting whether the integrator input is driven directly by the error amplifier or the proportional stage). Verify application notes against your specific hydraulic actuator requirements before commissioning.
Frequently Asked Questions
Q: Can this amplifier be configured for pure proportional control without the integral term? A: Yes. Internal selector switches allow the user to enable or disable proportional control, integral control, or combine both depending on the dynamic response required by the hydraulic axis.
Q: What is the primary function of the front-panel potentiometers? A: Front-panel pots allow fine-tuning of operational parameters such as gain, zero offset, and loop dynamics directly during system calibration without altering internal board wiring.
Q: How should the DIN rail be oriented inside the enclosure? A: The DIN rail must be mounted horizontally on the vertical rear surface of the enclosure with the module’s rail release clip facing downward. This ensures proper text readability and allows convective airflow across internal electronics.
