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Overview

Brand Name:	General Electric
Model Number:	DS200TCPDG2BEC
Country of Origin:	USA
Packaging Details:	Original new Factory Sealed
Delivery Time:	Delivery time in stock
Payment Terms:	T/T

Contact for quotation

Sales Manager:	Stella
Send an email:	[email protected]
Contact in Whatsapp:	+86 18159889985

Specifications

Parameter	Specification
Part Number	DS200TCPDG2BEC
Manufacturer	General Electric (GE) – Emerson Automation
Series	Mark V / Mark VI / Mark VIe Speedtronic
Hardware Revision	G2 / BEC
Product Type / Role	Power Distribution Board (PDB) / Turbine Control Processor (TCP) / Splitter Communication Switch
Input Voltage	24 VDC (±10%), 48 VDC, or 125 VDC (site-dependent)
AC Input	115 VAC / 230 VAC (automatic conversion)
Output Voltage Rails	+5 VDC, +12 VDC, +24 VDC, +15 VDC, –15 VDC, 125 VDC, 120/240 VAC (ignition)
Output Current (per channel)	5 A to 10 A (channel-dependent)
Max Continuous Current Capacity	40 A (24 VDC line)
Power Rating	~500 W (PDB configuration)
Control Cycle (TCP mode)	≤ 5 ms (typical 2-3 ms)
Processor Architecture (TCP)	PowerPC or equivalent high-performance embedded CPU
Memory (TCP)	≥ 64 MB SDRAM, ≥ 32 MB flash
Redundancy Modes	TMR (2oo3 voting) / Dual (1oo1D) for safety up to SIL3
Communication Interfaces	Fiber channel (to I/O), 10/100 M Ethernet (Modbus TCP/IP + GE proprietary), VME/PCI backplane
Fuse Protection	36 replaceable fuses
Toggle Switches	8 independent core power switches
OK LEDs	36 status LEDs (one per fused output)
Signal Wire Terminals	4 terminals with labels AC1N, AC1H, AC2N, AC2H
Connectors	10-pin header, J1R/J1S/J1T (core power), J7W/J7X/J7Z (TCEA power), J8A–J8D (solenoid outputs 125 VDC)
Operating Temperature	–30°C to +70°C (some: –40°C to +85°C)
Storage Temperature	–55°C to +85°C
Humidity	5% – 95% RH (non-condensing)
Dimensions	230 mm × 170 mm × 45 mm (9.1″ × 6.7″ × 1.8″)
Weight	0.5 kg – 2.0 kg (variant dependent)
Mounting	Plug-in board, keyed harness headers, standoff-secured
Country of Origin	United States (USA)
Certifications	CE, UL, CSA, IEC, hazard location compliant
Manual / Reference	GE Mark V TC2000 series documentation

Description

The DS200TCPDG2BEC is a critical infrastructure module within GE Mark V and Mark VI turbine control systems, serving as a power distribution hub, a control processor, or a communication switch depending on system placement. The DS200TCPDG2BEC distributes regulated 24 VDC, 125 VDC, and 120/240 VAC power to processor boards, I/O modules, exciter cabinets, ignition transformers, and solenoid outputs via 8 toggle‑switched channels with 36 independently fused circuits and 36 OK LEDs. In TCP mode, the DS200TCPDG2BEC executes 2‑3 ms real‑time control cycles, manages I/O data scheduling, and provides TMR (2oo3) redundancy voting. Widely deployed across gas/steam turbines, compressor stations, and marine propulsion systems, the DS200TCPDG2BEC stabilizes low‑voltage rails and eliminates nuisance undervoltage alarms and start‑permit chatter.

Applications

Gas and steam turbine control panels (Mark V Speedtronic, Mark VI/VIe DCS)

Power generation facilities (combined‑cycle, coal‑fired, cogeneration)

Oil and gas compressor station control cabinets and pipeline control

Marine propulsion control systems (naval/commercial vessel propulsion)

Pulp & paper mill drives, metals processing lines, converting machinery

Emergency shutdown (ESD) systems and ignition transformer control

Redundant power architectures paired with DS200TCPDG1B or DS200TCPSG1APE

DC power distribution for DS200 I/O modules, EX2100 exciters, TCEA boards, and DS200TCRAG1A relay cards

Features

Dual role architecture: Functions as a regulated 24 VDC power distribution board with 8 individually toggled outputs and 36 replaceable fuses — while optionally acting as a turbine control processor (TCP) or splitter communication gateway.

Flexible wide‑range power input: Accepts 24 VDC (nominal, ±10%), 48 VDC, or 125 VDC, plus 115/230 VAC with automatic conversion — covers all common industrial power standards.

36 fused output channels (OK LED per channel): Independent overcurrent protection per distribution rail, each with green OK LED for immediate visual fault isolation.

Eight toggle switches (SW1–SW8): Front‑panel enable/disable for R‑core power, TCPS board supply, I/O core power, and TCEA board power — supports rapid line‑shedding during troubleshooting.

Triple Modular Redundancy (TMR) voting (TCP mode): 2oo3 processor‑level voting with SIL3 capability and single‑card fault tolerance — system continues uninterrupted when one card fails.

High‑speed deterministic control loop (≤ 5 ms): Hardware phase‑locked loop synchronization supports gas turbine primary frequency regulation and combustion pressure fluctuation suppression.

Ethernet and fiber communication ready (TCP mode): Integrated 10/100 M Ethernet (Modbus TCP/IP + GE proprietary) and fiber channel for high‑speed I/O communication — supports hot‑swap ToolboxST firmware upgrades with no process disturbance.

Galvanic isolation (1,500 VAC): Blocks ground loops, voltage transients, and conducted EMI between power and signal circuits — protects sensitive Mark VI/VIe electronics.

Keyed harness headers and clearly labeled terminals: Maintenance staff can perform like‑for‑like board swaps in under 30 minutes — harness routing is preserved, re‑parameterization is not required.

Functions

Distributes regulated DC power from the cabinet’s 24 VDC, 48 VDC, or 125 VDC auxiliary supply to TCPS boards, TCEA assemblies, processor modules, I/O cards, ignition circuits, and solenoid banks — each distribution path is individually fused and indicated by a green OK LED.

Executes real‑time turbine control logic in TCP mode: 2‑3 ms control cycles for combustion control, load allocation, vibration monitoring, and overspeed protection — safely shuts down the turbine upon threshold violations.

Performs TMR (2oo3) voting: three processors run in parallel lockstep; if one card fails or produces corrupted data, the remaining two maintain correct control outputs — the faulty card is automatically isolated.

Converts AC input to DC rails where needed: accepts 115 VAC or 230 VAC input, automatically rectifies and filters, then delivers 120/240 VAC ignition output via JZ5 connector plus 125 VDC solenoid output via J8A–J8D.

Integrates I/O data scheduling and communication management: receives field sensor/actuator data over fiber channel, routes processed values to the Mark VI/VIe backplane, and transmits real‑time turbine data (speed, pressure, temperature) to SCADA/HMI systems over Ethernet (Modbus TCP/IP).

Provides diagnostic health reporting via 36 OK LEDs: when a fuse blows or a power rail fails, the corresponding OK LED turns off — immediate visual identification of the affected channel without external test equipment.

FAQ

Q1: What is the DS200TCPDG2BEC used for?
A1: The DS200TCPDG2BEC is a multi‑function board used in GE Mark V/VI systems for regulated DC power distribution, 2‑3 ms real‑time turbine control processing, and TMR redundancy voting.

Q2: What power inputs does the DS200TCPDG2BEC accept?
A2: It accepts 24 VDC (±10%), 48 VDC, or 125 VDC, plus 115 VAC and 230 VAC inputs with automatic conversion.

Q3: How many fuses and LED indicators does the DS200TCPDG2BEC have?
A3: It has 36 replaceable fuses and 36 OK LEDs — one green LED per fused output channel for rapid fault detection.

Q4: Does the DS200TCPDG2BEC support redundant operation?
A4: Yes — in TCP mode it supports TMR (2oo3 voting) where three cards run in parallel; single‑card failure does NOT stop system operation.

Q5: What are the AC1N, AC1H, AC2N, AC2H terminals used for?
A5: These four labelled terminals carry signal‑level inputs/outputs between control boards — each signal wire must be transferred to the same terminal ID on a replacement board.

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