The GE IS200VAICH1C IS200VAICH1CBA Analog Input VME Card provides high-accuracy analog measurement for Mark VIe systems. This VME card accepts voltage and current signals from field transmitters. You will find it in gas turbine and steam turbine control applications. It delivers 16-bit resolution for precise monitoring of temperature and flow. Therefore, this unit ensures reliable process control for power generation.
The GE IS200VAICH1C IS200VAICH1CBA Analog Input VME Card measures 233 mm in height and 160 mm in width. Its depth reaches 40 mm for VME chassis mounting. The unit weighs approximately 0.64 kilograms. It contains one 16-bit ADC and eight analog input channels. Two isolation amplifiers protect the controller circuits. Additionally, you get eight status LEDs for channel diagnostics.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE Energy / General Electric |
| Model | IS200VAICH1C / IS200VAICH1CBA |
| Product Type | Analog Input VME Card |
| Analog Inputs | 8 (differential) |
| Input Ranges | ±10 V, 0-10 V, 4-20 mA |
| ADC Resolution | 16 bits |
| Accuracy | ±0.1% of full scale |
| Input Impedance (V) | 200 k ohms |
| Input Impedance (mA) | 250 ohms |
| Update Rate | 8 ms per channel |
| Height | 233 mm |
| Width | 160 mm |
| Depth | 40 mm |
| Weight | 0.64 kg |
| ADC Count | 1 (16-bit) |
| Isolation Amplifiers | 2 |
| Status LEDs | 8 (green) |
| Energy Storage | ≈ 320 µF (capacitive) |
| Power Consumption | 400 mA @ 5 VDC |
| Operating Temperature | -30°C to +65°C |
| Mounting Method | VME chassis (inject/eject) |
| Bus Interface | VME P1/P2 connectors |
Internal Architecture and Energy Storage
The GE IS200VAICH1C IS200VAICH1CBA Analog Input VME Card stores minimal energy in its power filter. Small electrolytic capacitors hold approximately 320 microfarads total capacitance. A 16-bit successive approximation ADC converts each analog value with high precision. This ADC provides 65,536 discrete steps across the input range. Two isolation amplifiers separate the field signals from the logic circuits. A programmable gain amplifier adjusts input sensitivity for each channel. The card includes a precision voltage reference at 5.000 VDC. An analog multiplexer routes each channel to the ADC input sequentially. Eight green LEDs show active channel status clearly.
Connection Interfaces and Wiring Details
You will find a 50-pin front panel connector for field wiring. Connect this to a termination board for analog sensor inputs. The GE IS200VAICH1C IS200VAICH1CBA Analog Input VME Card also uses VME P1 and P2 backplane connectors. Use shielded twisted-pair cable for all analog signal connections. Connect the positive signal wire to the channel + terminal. Connect the negative return wire to the channel – terminal. Eight green LEDs light up when their respective channel receives a valid signal. A green PWR LED lights up when the card receives 5 VDC. A yellow COM LED flashes during data exchange with the controller.
Configuration and Installation Steps
You slide this VME card into a standard 6U VME chassis. First, align the card with the upper and lower card guides. Then, push it firmly until the backplane connectors seat completely. Use the injector/ejector handles to seat the card properly. The GE IS200VAICH1C IS200VAICH1CBA Analog Input VME Card requires 5 VDC from the VME backplane. Use the Toolbox software to configure each analog channel. Select the input range (±10 V, 0-10 V, or 4-20 mA) for each channel. Set the scaling parameters to convert ADC counts to engineering units. Configure the averaging filter for noisy signal environments. Download the configuration to the card’s flash memory. Verify each channel with a precision signal calibrator before turbine startup.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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