Products Description
The DS200TCRAG1ACC is a relay output interface board developed by General Electric (GE) specifically for the SpeedTronic™ Mark V turbine control system, an automation platform widely deployed in power generation and heavy industry. Functioning as an I/O output stage, this interface board converts digital control commands into electromechanical relay actions, enabling the activation and interlock control of field equipment.
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Functional Description
The DS200TCRAG1ACC control board is part of the output subsystem within the Mark V control stack:
This board receives discrete command signals from the main turbine control processor or core I/O logic.
Each command controls the energization or de-energization of the corresponding onboard relay.
The relays provide electrical isolation between low-voltage control logic and high-energy field circuits, ensuring safe and reliable switching operations for actuators, alarms, interlock systems, and auxiliary equipment.
During system commissioning and operation, LED indicators and serviceable connectors support fault diagnosis and maintenance inspections.
Application Scenarios
The DS200TCRAG1ACC is typically installed in industrial turbine control environments, such as:
Gas and steam turbines-driving alarm devices, solenoid valves, and safe shutdown sequences.
Power plants-integrated with generator circuit breakers, fans, and pump starters.
Oil and gas facilities-interfacing field actuators and interlocks with Mark V control logic.
Process automation systems-controlling discrete field components such as indicators, system contactors, and safety interlocks.
Specifications
| Specification | Detail |
|---|---|
| Part Number | DS200TCRAG1ACC |
| Product Type | Relay Output Board |
| Output Relays | 30 plug‑in electromechanical relays |
| Contact Type | Form‑C (SPDT) relay contacts |
| Contact Rating | Typically ~0.5 A (some variants up to 2 A for low‑power loads) |
| Supply Voltage | +24 V DC logic drive (backplane powered) |
| Signal Isolation | Galvanic isolation between logic and field outputs |
| Operating Temp. | Approx. –40 °C to +70 °C industrial range |
| Dimensions (Approx.) | ~260 × 190 × 30 mm |
| Weight | ~1.2–1.4 kg |
Product FAQ – DS200TCRAG1ACC
DS200TCRAG1ACC
Q1: What function does this card perform in the Mark V system?
A: It converts digital output commands into electromechanical relay closure signals, enabling safe connection to field devices such as solenoid valves, starters, and alarms.
Q2: How many relays does the card contain?
A: Typically includes 30 plug-in relays for handling multiple discrete output channels.
Q3: Does this card support direct programming?
A: No-it functions as a hardware output interface. Actual control logic is implemented by the Mark V main processor or I/O logic core.
Q4: What types of devices can it control?
A: It is suitable for field components requiring isolated switching via relay contacts, such as alarms, interlocks, contactors, solenoid valves, and circuit breaker coils.
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