This voltage feedback scaling board conditions DC bus voltage signals for monitoring. It scales high voltages down to safe levels for control circuits. The unit mounts inside the drive cabinet near the power supply.
Technical specifications
| Parameter | Specification |
|---|---|
| Brand | GE Energy |
| Model 1 | DS200NATOG2A |
| Model 2 | DS200NATOG2ACB |
| Product Family | Mark V / Drive Control |
| Category | Voltage Feedback Scaling Board |
| PCB Layer Count | 4 layers |
| Base Material | FR-4 flame retardant |
| Component Count | Approximately 100 components |
| Integrated Circuits | 8 ICs (op-amps, isolation amps) |
| Input Voltage Range | 0-1000V DC (high voltage) |
| Output Voltage Range | 0-10V DC (scaled) |
| Scaling Ratio | 100:1 (adjustable) |
| Input Impedance | 10 MΩ minimum |
| Accuracy | ±0.2% of reading |
| Bandwidth | 1 kHz |
| Isolation Voltage | 2500V RMS |
| Connector Types | 2 x 20-pin headers, 1 x terminal block |
| Power Supply | 24V DC external |
| Current Consumption | 120 mA typical |
| Test Points | 6 gold-plated test points |
| Status Indicators | 1 x LED (PWR) |
| Dimensions (L x W) | Approx. 22 cm x 14 cm |
| Thickness | Approx. 1.6 mm |
| Weight | Approx. 0.26 kg |
| Energy Storage | 6 x electrolytic capacitors (47 µF each) |
| Operating Temperature | 0°C to 55°C |
| Mounting | 4 x screw holes (M4) |
Detailed Technical Analysis
This voltage feedback board scales high DC bus voltages down to safe levels. It accepts inputs from 0 to 1000V DC from the drive power supply. The board then outputs a scaled 0-10V signal for control circuits. The scaling ratio is 100:1 with optional adjustment via jumpers.
Now let us examine its isolation features. This board provides 2500V RMS isolation between input and output circuits. The high input impedance of 10 megohms loads the measured circuit minimally. Approximately 100 components populate both sides of this circuit board. Eight integrated circuits include isolation amplifiers and operational amplifiers.
This scaling board draws 120 milliamps from a 24V DC supply. Six electrolytic capacitors filter the power input for stable operation. A single green LED confirms the 24V supply is present. Six gold-plated test points allow voltage verification during calibration.
Installation and Connection Guidelines
You mount this board using four M4 screws with insulating standoffs. Connect the high voltage input to the terminal block with proper insulation. Use wire rated for the maximum input voltage of 1000V DC. This board requires a separate 24V DC supply for its active circuits.
Always discharge the DC bus capacitors before connecting or removing this board. High voltages can remain present even after power-down. Verify output scaling with a calibrated voltmeter before use. The board automatically scales the input signal upon power-up.
Practical Applications
Engineers use this scaling board for drive repair and voltage monitoring. It provides safe feedback for DC bus regulation loops. This component also works in legacy drive upgrade projects. Its high accuracy suits precision voltage control applications.
Summary of Features
To conclude, this voltage scaling board converts 1000V DC down to 10V DC. It weighs 0.26 kilograms and provides 2500V RMS isolation. Choose DS200NATOG2A DS200NATOG2ACB for reliable voltage feedback in drive systems.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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