This printed circuit board provides I/O signal termination for GE Mark VIe turbine systems. It interfaces field wiring with the main controller for discrete and analog signals. Therefore, it simplifies field connections and improves signal integrity.
Physical and I/O Specifications
The GE IS200ISBBG2A IS200ISBBG2AAB measures 26.0 cm in length and 18.5 cm in width. Moreover, its board weight equals approximately 0.55 kg for rack mounting. A single 64-pin male connector links this board to the VME backplane. Additionally, the board provides termination for 32 I/O channels.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200ISBBG2A IS200ISBBG2AAB |
| Category | Printed Circuit Board (I/O Termination) |
| Dimensions (L x W) | 26.0 cm x 18.5 cm (10.24″ x 7.28″) |
| Board Weight | 0.55 kg (1.21 lbs) |
| Primary Interface | 1 x 64-pin Male Connector |
| Field Wiring Points | 32 Screw Terminal Blocks |
| I/O Channels | 32 Configurable (Discrete or Analog) |
| Discrete Input Voltage Range | 0 to 30 VDC |
| Discrete Input Impedance | 4.7 kΩ |
| Discrete Output Type | Transistor, NPN Sinking |
| Discrete Output Current | 0.5 A per Channel |
| Analog Input Voltage Range | 0-10 VDC, -10 to +10 VDC |
| Analog Input Current Range | 0-20 mA, 4-20 mA (with External Resistor) |
| Analog Output Voltage Range | 0-10 VDC |
| Analog Output Current Range | 4-20 mA |
| Protection | Overvoltage + Reverse Polarity + Short Circuit |
| On-Board Components | 32 Signal Conditioning Circuits + 32 Protection Diodes + 4 Common Terminals + 2 EMI Filters + 1 LED Driver IC + 1 Temperature Sensor |
| Energy Storage | 2 x 100 µF Electrolytic Capacitors (35V) + 2 x 10 µF Tantalum (25V) |
| Operating Voltage | +5 VDC, +24 VDC, and +15 VDC from Backplane |
| Power Consumption | 2.0 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) + 32 Green LEDs (Channel Active) |
I/O Signal Termination Features
The GE IS200ISBBG2A IS200ISBBG2AAB terminates 32 configurable I/O channels for field devices. Specifically, you can configure each channel for discrete input, discrete output, analog input, or analog output. In addition, the module provides signal conditioning including filtering and overvoltage protection. Moreover, each channel includes a green LED for visual status monitoring. Furthermore, the removable terminal blocks accept 18-22 AWG stranded or solid wires. Consequently, this termination board provides flexible field wiring for Mark VIe systems.
Signal Conditioning and Protection
This termination board includes comprehensive signal conditioning for each I/O channel. For instance, built-in filters remove high-frequency noise from field wiring. In addition, overvoltage protection clamps inputs to safe levels during faults. Moreover, reverse polarity protection prevents damage from incorrect wiring. Furthermore, short circuit protection limits current on output channels. Thus, the GE IS200ISBBG2A IS200ISBBG2AAB maintains signal integrity in electrically noisy turbine environments.
Energy Storage and Signal Integrity
This printed circuit board stores energy using four onboard capacitors for power filtering. Specifically, two electrolytic capacitors smooth the 24 VDC supply for stable operation. In addition, two tantalum capacitors provide high-frequency noise suppression for analog circuits. Moreover, these capacitors maintain signal integrity during brief power interruptions. Furthermore, a temperature sensor monitors board ambient conditions. Therefore, this board provides reliable signal termination for Mark VIe I/O modules.
Installation and Diagnostic Indicators
Thirty-three 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, thirty-two green Channel Active LEDs illuminate when each I/O channel is active. Additionally, the board features six mounting holes for secure rack attachment. Thus, you can diagnose termination status instantly without external tools.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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