This printed circuit board provides analog input interface for GE Mark VIe turbine systems. It converts field sensor signals into digital values for processing. Therefore, it enables precise monitoring of temperature, pressure, and flow for turbine control.
Physical and Input Specifications
The GE IS200AEBIH1B IS200AEBIH1BAC measures 26.0 cm in length and 18.5 cm in width. Moreover, its board weight equals approximately 0.54 kg for rack mounting. A single 64-pin male connector links this board to the VME backplane. Additionally, the board provides twelve independent analog input channels.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200AEBIH1B IS200AEBIH1BAC |
| Category | Printed Circuit Board (Analog Input) |
| Dimensions (L x W) | 26.0 cm x 18.5 cm (10.24″ x 7.28″) |
| Board Weight | 0.54 kg (1.19 lbs) |
| Primary Interface | 1 x 64-pin Male Connector |
| Field Wiring Points | 20 Screw Terminal Blocks |
| Analog Input Channels | 12 Differential Channels |
| Input Signal Range (Voltage) | 0-10 VDC, -10 to +10 VDC |
| Input Signal Range (Current) | 0-20 mA, 4-20 mA (with External Resistor) |
| Resolution | 16 Bits (0 to 65535 Counts) |
| Conversion Type | Sigma-Delta |
| Conversion Speed | 12 ms per Channel (144 ms for All 12 Channels) |
| Input Impedance (Voltage) | 1 MΩ (Typical) |
| Input Impedance (Current) | 250 Ω (with External Resistor) |
| Absolute Accuracy | ±0.2% of Full Scale at 25°C |
| Absolute Accuracy Drift | ±0.01% per °C |
| Common Mode Rejection | 100 dB (50/60 Hz) |
| Normal Mode Rejection | 80 dB (50/60 Hz) |
| Common Mode Range | ±10 VDC Maximum |
| On-Board Components | 2 ADC Chips + 12 Signal Conditioning Circuits + 12 Protection Diodes + 1 EMI Filter + 1 Voltage Reference IC + 1 Microcontroller + 2 Memory Chips + 1 Temperature Sensor |
| Energy Storage | 4 x 100 µF Electrolytic Capacitors (35V) + 4 x 10 µF Tantalum (25V) |
| Operating Voltage | +5 VDC, +15 VDC, and -15 VDC from Backplane |
| Power Consumption | 3.0 W (Typical) |
| Isolation Rating | 1500 Vrms (Field to Backplane) |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
| Status Indicators | 1 Green LED (Power) + 1 Green LED (Active) + 1 Red LED (Fault) + 12 Green LEDs (Channel Valid) |
Analog Input Features and Signal Processing
The GE IS200AEBIH1B IS200AEBIH1BAC provides twelve differential analog input channels. Specifically, the sigma-delta converter ensures excellent linearity and noise rejection. In addition, the 16-bit resolution delivers 65,535 discrete counts for precise measurement. Moreover, you can configure each channel independently for voltage or current inputs. Furthermore, protection diodes clamp input voltages to safe levels during faults. Consequently, this board captures critical turbine process variables accurately.
Noise Rejection and Accuracy Performance
This analog input board delivers exceptional noise rejection for stable readings. Specifically, the 100 dB common mode rejection eliminates ground loop interference effectively. In addition, the 80 dB normal mode rejection filters 50/60 Hz power line noise. Moreover, the absolute accuracy of ±0.2 percent ensures reliable control. Furthermore, a temperature sensor compensates for accuracy drift across temperature ranges. Thus, the GE IS200AEBIH1B IS200AEBIH1BAC performs reliably in electrically noisy turbine environments.
Energy Storage and Signal Integrity
This printed circuit board stores energy using eight onboard capacitors for power filtering. Specifically, four electrolytic capacitors smooth the ±15 VDC supplies for stable ADC operation. In addition, four tantalum capacitors provide high-frequency noise suppression for analog circuits. Furthermore, these capacitors maintain conversion accuracy during brief power interruptions. Therefore, this board maintains signal integrity in demanding turbine control applications.
Installation and Diagnostic Indicators
Fifteen LED indicators provide operational status at a glance on this board. First, a green Power LED lights when the backplane supply voltages are present. Second, a green Active LED flashes during normal analog conversion operation. Third, a red Fault LED indicates hardware errors or out-of-range signals. Additionally, twelve green Channel Valid LEDs illuminate when each channel receives a valid signal. Furthermore, the board features six mounting holes for secure rack attachment. Thus, you can diagnose analog input status instantly without external tools.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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