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The GE DS200TCCBG1B DS200TCCBG1BED extended PC analog board provides additional analog I/O for Mark V systems. This board expands the measurement and control capabilities of the main processor. You will find this analog board in Speedtronic Mark V turbine cabinets. Its extended design adds eight inputs and four outputs in a single slot.
Extended Analog Architecture
This extended analog board provides eight differential analog input channels. Consequently, it reads multiple turbine sensors for comprehensive monitoring. The GE DS200TCCBG1B DS200TCCBG1BED also includes four analog output channels for actuator control. Moreover, a 16-bit ADC delivers high measurement resolution. You can configure each channel independently via software.
Technical Specifications
| Parameter | Value |
|---|---|
| Input Channels | 8, differential, 16-bit resolution |
| Input Ranges | 0-10V, ±10V, 0-20mA, 4-20mA (selectable) |
| Output Channels | 4, 0-10V or 4-20mA, 12-bit resolution |
| Accuracy | ±0.05% of full scale (inputs), ±0.1% (outputs) |
| Input Impedance | 1 MΩ (voltage mode), 250 Ω (current mode) |
| Sampling Rate | 200 Hz per channel |
| Input Voltage | 24V DC ±10% |
| Power Consumption | 8W typical |
| Dimensions | 230mm x 170mm x 30mm |
| Weight | 0.65 kg (1.43 lbs) |
| PCB Layers | 6 |
| Onboard Components | 1 ADC, 4 DACs, 12 op-amps, 8 filters, 1 reference |
| Connector Count | 3 (field I/O, backplane, calibration) |
| Status Indicators | 2 LEDs (active, fault) |
| Energy Storage | 1500 µF (analog supply filtering) |
| Isolation Voltage | 1500V (field to logic) |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +70°C |
Extended Input Capacity and Output Drive
The unit includes eight input channels for comprehensive turbine monitoring. Therefore, it measures temperatures, pressures, and positions simultaneously. This board replaces the DS200TCCBG1BED version without any calibration changes. Simply remove the old board and install this one. GE designed this analog board for single-slot installation. Hence, it fits directly into existing Mark V rack positions.
Six PCB layers separate analog and digital signal paths effectively. Three connectors handle all field wiring and backplane communication. The GE DS200TCCBG1B DS200TCCBG1BED includes programmable low-pass filters on each input. Accordingly, it rejects high-frequency noise from industrial environments. Two status LEDs indicate board health and communication activity.
Calibration and Field Wiring Guide
You must perform an auto-calibration routine after installing this board. The onboard reference provides 2.5V and 5V for gain verification. The GE DS200TCCBG1B DS200TCCBG1BED stores calibration constants in non-volatile memory. Consequently, it retains settings even after power loss. Always use shielded twisted-pair cable for analog input wiring.
Connect the shield only at the board end for best noise rejection. The GE DS200TCCBG1B DS200TCCBG1BED works with all GE Mark V control systems. Proper grounding of analog commons prevents ground loop errors. This board operates reliably in non-condensing environments only.