Description
Product Introduction
The GE IS200AVGBG1AAA functions as the Analog Voltage Adapter B (AVGB) module within the Mark VIe control platform, providing high-density, high-accuracy voltage measurement with standard configuration for 0-10V and ±10V sensors. This module interfaces with the Mark VIe controller via ISBus communication and offers 16 analog inputs for precise voltage measurement in turbine and engine control applications.
The model number breaks down as: IS200 (Mark VIe platform), AVGB (Analog Voltage Adapter B), G1 (Generation 1), AAA (Standard configuration). The primary differentiator is the combination of high density (16 inputs), high accuracy, and standard configuration—the AVGB AAA provides a versatile, off-the-shelf voltage measurement solution for a wide range of monitoring applications.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | IS200AVGBG1AAA |
| Manufacturer | GE Energy (now GE Vernova) |
| Series | Mark VIe |
| Function | Analog Voltage Adapter B – Standard Voltage Measurement |
| Input Voltage | 24 V DC ±10% (via UPL or external supply) |
| Typical Current Draw | 280 mA at 24 V |
| Analog Inputs | 16 channels, standard configuration |
| Analog Input Types | 0-10 V, ±10 V |
| Analog Input Resolution | 16-bit (0.0015% of full scale) |
| Analog Input Accuracy | ±0.1% of full scale at 25°C, ±0.3% over full temperature range |
| Input Impedance | >1 MΩ |
| Signal Conditioning | Built-in filtering, scaling, linearization |
| Diagnostic Reporting | Per-channel status, open-circuit detection, out-of-range detection (via ISBus) |
| Communication | ISBus (500 kbps) |
| Operating Temperature | -25 to +60°C (ambient, forced air recommended above 50°C) |
| Storage Temperature | -40 to +85°C |
| Mounting | DIN-rail mount (standard 35 mm) |
| Terminals | Spring-clamp (push-in), accepts 0.5-2.5 mm² (24-12 AWG) |
| LED Status | Power, ISBus Active, Fault, Analog Input 1-16 Status |
Key Selling Points & Differentiators
- High Density: 16 analog inputs in a single module—reduces the number of modules required for comprehensive voltage monitoring.
- Standard Configuration: The AAA variant provides a standard, off-the-shelf configuration—reduces lead time and simplifies ordering.
- High Accuracy: 16-bit resolution with ±0.1% accuracy—ensures precise voltage measurement for critical control applications.
- Flexible Input Types: Supports 0-10V and ±10V signals—compatible with a wide range of voltage-output sensors.
- High Input Impedance: >1 MΩ input impedance—minimizes loading on sensor outputs.
- Full Live Test Certification: Each unit undergoes a 36-hour burn-in with full voltage simulation (16 channels), accuracy verification, and ISBus communication testing. We log the MAC ID, calibration data, and diagnostic baselines for traceability.
- Direct Drop-In Replacement: Form-fit-function compatible with IS200AVGBG1 and earlier AVGB revisions. Existing wiring and terminal assignments remain unchanged.
- 90-Day Warranty: Includes technical support and cross-ship replacement within 24 hours if the module fails to provide voltage measurement, accuracy degrades, or diagnostics report false faults.
Frequently Asked Questions (FAQ)
Q1: What’s the difference between the IS200AVGBG1AAA and the IS200AVGBG1A?
The AAA suffix indicates a standard configuration—the input types are pre-configured at the factory for typical voltage measurement applications (0-10V, ±10V). The G1A is also a standard module but may have different default settings. Functionally, both modules provide the same 16 inputs and specifications. The AAA variant is typically used for standard turbine monitoring applications. The configuration can be changed in ToolboxST if needed.
Q2: What types of sensors can the AVGB interface with?
The AVGB can interface with: (1) Position sensors—LVDTs, potentiometers, (2) Pressure sensors—voltage-output types, (3) Temperature sensors—voltage-output types, (4) Flow sensors—voltage-output types, (5) Level sensors—voltage-output types, (6) Any sensor with 0-10V or ±10V output. The module provides 16 inputs for comprehensive monitoring.
Q3: The AVGB shows a signal quality warning on channel 5—what does that mean?
A signal quality warning indicates that the voltage signal on channel 5 is degraded—typically noisy, out of range, or intermittent. The AVGB monitors signal characteristics and compares them to expected values. Possible causes: (1) Electrical noise on the cable, (2) A sensor that is failing, (3) A loose or corroded connection, (4) The signal is out of range. Access the diagnostic data in ToolboxST to identify the specific condition. The warning is a heads-up—the module will still provide data, but its quality may be degraded.
Q4: The AVGB shows an out-of-range detection on a voltage input—what could be the cause?
An out-of-range detection indicates that the voltage is outside the expected range. For 0-10 V inputs, this typically means below 0 V or above 10 V. For ±10 V inputs, this means below -10 V or above +10 V. Possible causes: (1) The sensor output is out of range, (2) The sensor is not powered, (3) The sensor has failed, (4) There is a wiring issue. Access the diagnostic data in ToolboxST to identify the specific condition. Investigate the sensor, wiring, and power supply.
Q5: What’s the maximum cable length for voltage sensors?
For 0-10 V sensors, the maximum cable length is limited by voltage drop and noise pickup. With shielded cable, you can typically run up to 100 meters. The AVGB’s high input impedance (>1 MΩ) minimizes loading on long cable runs. Using shielded cable with the shield grounded at one end reduces noise pickup. For longer runs, consider using 4-20 mA signals.
Q6: The AVGB shows an open-circuit detection on a voltage input—what does that mean?
Open-circuit detection indicates that the module is not detecting a voltage on the input. This typically means: (1) The sensor is not connected, (2) The wiring is broken, (3) The sensor has failed (open-circuit output), (4) The sensor is not powered. Access the diagnostic data in ToolboxST to identify the specific channel. Investigate the sensor, wiring, and power supply.
Q7: What’s the typical lead time for the IS200AVGBG1AAA, and do you recommend stocking spares?
The IS200AVGBG1AAA is a commonly stocked module—we maintain 8-12 units in inventory. Standard lead time for orders of 1-10 units is 1-2 business days for shipping after QC verification. For critical voltage measurement applications with many channels, we recommend stocking one spare AVGB per site. If you have a fleet of 10+ turbines, a 10% spare ratio is standard practice. For volume orders, contact our support line for expedited delivery and pricing options.

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