This analog I/O terminal board manages analog signal routing for GE Mark VIe turbine systems. It interfaces directly with field sensors, actuators, and the main controller. Therefore, it ensures accurate data acquisition and control signal distribution for process applications.
Physical and I/O Specifications
The GE IS200STAIH2A IS200STAIH2ABA measures 26.0 cm in length and 18.5 cm in width. Moreover, its board weight equals approximately 0.62 kg for rack mounting. A single 64-pin female connector links this board to the VME backplane. Additionally, the board provides sixteen analog I/O channels with field wiring terminals.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200STAIH2A IS200STAIH2ABA |
| Category | Analog I/O Terminal Board |
| Dimensions (L x W) | 26.0 cm x 18.5 cm (10.24″ x 7.28″) |
| Board Weight | 0.62 kg (1.37 lbs) |
| Primary Interface | 1 x 64-pin Female Connector |
| Field Wiring Points | 32 Screw Terminal Blocks |
| Analog Input Channels | 8 Differential Channels |
| Analog Output Channels | 8 Single-Ended 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) |
| Output Signal Range (Voltage) | 0-10 VDC (Configurable) |
| Output Signal Range (Current) | 4-20 mA |
| Input Impedance | 1 MΩ (Voltage Mode), 250 Ω (Current Mode) |
| Output Load Resistance | > 2 kΩ (Voltage), < 500 Ω (Current) |
| Resolution (Input) | 14 Bits (0 to 16383 Counts) |
| Resolution (Output) | 12 Bits (0 to 4095 Counts) |
| On-Board Components | 8 Input Signal Conditioners + 8 Output Drivers + 2 ADC Chips + 1 DAC Chip + 16 Protection Diodes + 1 EMI Filter + 1 Temperature Sensor |
| Energy Storage | 4 x 100 µF Electrolytic Capacitors (35V) + 4 x 10 µF Tantalum (25V) |
| Operating Voltage | +5 VDC, +15 VDC, -15 VDC, and +24 VDC from Backplane |
| Isolation Rating | 1500 Vrms (Field to Backplane) |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
| Status Indicators | 8 Green LEDs (Input Active) + 8 Green LEDs (Output Active) + 1 Green LED (Power) + 1 Red LED (Fault) |
Analog Input and Output Channel Features
The GE IS200STAIH2A IS200STAIH2ABA provides eight analog inputs and eight analog outputs. Specifically, differential inputs reject common-mode noise for accurate sensor readings. In addition, the 14-bit input resolution delivers 16,383 discrete counts for precise measurement. Moreover, the 12-bit output resolution provides 4,096 steps for smooth control signals. Furthermore, you can configure each input for voltage or current modes with external resistors. Thus, this board handles a wide variety of industrial analog sensors and actuators.
Terminal Block Layout and Field Wiring
You will find thirty-two screw terminal blocks arranged along two board edges. Specifically, eight terminals serve the analog inputs, and eight serve the analog outputs. In addition, the remaining sixteen terminals provide common and shield connections. Moreover, these terminals accept 12-22 AWG copper wires securely. Furthermore, the board includes four mounting holes for standoff installation. Thus, the GE IS200STAIH2A IS200STAIH2ABA simplifies field wiring for analog signals.
Energy Storage and Signal Integrity
This terminal board stores energy using eight onboard capacitors for power filtering. Specifically, four electrolytic capacitors smooth the ±15 VDC supplies for analog circuits. In addition, four tantalum capacitors provide high-frequency noise suppression for ADC and DAC chips. Moreover, a temperature sensor monitors board ambient conditions. Furthermore, the board includes EMI filtering for radiated noise immunity. Therefore, this board maintains signal integrity in electrically noisy turbine environments.
Installation and Diagnostic Indicators
Eighteen 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, eight green Input Active LEDs illuminate when each analog input detects a valid signal. Third, eight green Output Active LEDs show when each analog output is active. Finally, a red Fault LED indicates out-of-range inputs or temperature alarms. Additionally, the board features four mounting holes for secure rack attachment. Thus, you can monitor analog I/O status instantly without external test equipment.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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