This printed circuit board provides DC feedback monitoring for GE Mark VIe drive systems. It measures DC bus voltage and current for closed-loop control. Therefore, it ensures precise regulation of motor speed and torque in industrial drives.
Physical and Feedback Specifications
The GE IS200EDFFH2A IS200EDFFH2AAA measures 26.0 cm in length and 18.5 cm in width. Moreover, its board weight equals approximately 0.60 kg for rack mounting. A single 64-pin male connector links this board to the VME backplane. Additionally, the board provides two independent DC feedback channels.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200EDFFH2A IS200EDFFH2AAA |
| Category | Printed Circuit Board (DC Feedback) |
| Dimensions (L x W) | 26.0 cm x 18.5 cm (10.24″ x 7.28″) |
| Board Weight | 0.60 kg (1.32 lbs) |
| Primary Interface | 1 x 64-pin Male Connector |
| Field Wiring Points | 12 Screw Terminal Blocks |
| Feedback Channels | 2 Independent Channels |
| Voltage Sensing Range | 0 to 800 VDC (Nominal 600 VDC Bus) |
| Current Sensing Range | 0 to 2000 A DC (via External Shunt) |
| Feedback Signal Type | 0-10 VDC or 4-20 mA (Jumper Selectable) |
| Accuracy (Voltage) | ±0.5% of Full Scale |
| Accuracy (Current) | ±1.0% of Reading |
| Bandwidth | 1 kHz (Typical) |
| On-Board Components | 2 Isolated Amplifiers + 4 Protection Diodes + 2 Signal Conditioners + 1 Voltage Reference IC + 2 EMI Filters + 1 Temperature Sensor |
| Energy Storage | 3 x 470 µF Electrolytic Capacitors (450V DC) + 2 x 100 µF (35V) + 2 x 10 µF Tantalum (25V) |
| Operating Voltage | +5 VDC, +15 VDC, -15 VDC, and Isolated +24 VDC from Backplane |
| Isolation Rating | 2500 Vrms (Bus Side to Logic Side) |
| Response Time | < 5 ms (Step Change) |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
| Status Indicators | 2 Green LEDs (Channel Active) + 1 Green LED (Power) + 1 Red LED (Fault) |
DC Feedback Channel Features
The GE IS200EDFFH2A IS200EDFFH2AAA monitors DC bus voltage and current for drive control. Specifically, the voltage sensing range covers 0 to 800 VDC for typical 600 VDC buses. In addition, the current sensing uses external shunts up to 2000 amps DC. Moreover, isolated amplifiers protect the control logic from high bus voltages. Furthermore, you can select 0-10 VDC or 4-20 mA output signals via jumpers. Consequently, this board provides accurate feedback for closed-loop speed and torque regulation.
High-Voltage Energy Storage and Safety
This feedback board stores significant energy using three high-voltage electrolytic capacitors. Specifically, these capacitors filter the DC bus voltage for stable measurement. In addition, the 2500 Vrms isolation protects the backplane from high-voltage transients. Moreover, discharge resistors safely bleed stored energy when the system powers down. Thus, the GE IS200EDFFH2A IS200EDFFH2AAA safely handles high-voltage DC bus monitoring.
Signal Conditioning and Accuracy
Two isolated amplifiers condition the voltage and current signals for processing. For instance, the voltage accuracy of ±0.5 percent ensures precise bus regulation. In addition, the current accuracy of ±1.0 percent provides reliable torque control. Moreover, the 1 kHz bandwidth captures dynamic load changes effectively. Furthermore, a temperature sensor compensates for accuracy drift across operating ranges. Therefore, this board delivers stable feedback signals for high-performance drive applications.
Installation and Diagnostic Indicators
Four 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, two green Channel Active LEDs illuminate when each feedback channel is operational. Third, a red Fault LED indicates out-of-range voltage or current inputs. Additionally, the board features six mounting holes for secure rack attachment. Thus, you can monitor feedback status instantly without external test equipment.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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