GE Mark VIe IS200TDBSH6A

¥999.00

IS200TDBSH6A is a Terminal Board within the GE Mark VIe Speedtronic control system, designed as a high-density field termination and signal conditioning interface for discrete input and output signals in turbine control applications. This board provides centralized termination for both discrete inputs (dry-contact sensors) and discrete outputs (actuators), combining monitoring and control functions in a single board. The IS200TDBSH6A features integrated termination points for discrete inputs with opto-isolation and filtering, as well as discrete outputs with relay isolation and surge suppression. It offers a versatile channel configuration with comprehensive diagnostics, making it ideal for applications requiring both input monitoring and output control in a compact form factor.

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Description

Product Parameters

Parameter Specification
Brand / Series GE Mark VIe Speedtronic
Model IS200TDBSH6A
Discrete Inputs 32 isolated channels (dry contact / volt-free)
Input Voltage Range 24/48/125 VDC (auto-ranging, opto-isolated)
Input Current 3–6 mA typical
Discrete Outputs 16 isolated channels (Form C, SPDT)
Output Contact Rating 5A @ 250 VAC / 30 VDC (resistive load)
Output Inrush Capability 10A for 50 ms
Coil Voltage 24 VDC (internally supplied from Mark VIe rack)
Output Response Time < 10 ms (energize), < 5 ms (de-energize)
Input Debounce Programmable 0–100 ms (default 6 ms)
Input Time-Stamping 1 ms (hardware-based)
Output Suppression Built-in flyback diodes (DC loads) and RC snubbers (AC loads)
Isolation 1500 VAC (field-to-system)
Input Diagnostics Open-wire detection, short-circuit detection, stuck-contact monitoring
Output Diagnostics Coil open-circuit detection, coil short-circuit detection, welded contact monitoring
Status Indication 32 green LEDs (input active), 16 green LEDs (output energized), 16 red LEDs (output fault), 2 red summary fault LEDs
Operating Temperature –30°C to +65°C
Storage Temperature –55°C to +85°C
Mounting VME rack-mount terminal board with front-panel I/O connectors
Backplane Interface VME64x (A24/A32, D16/D32/D64)
EMC Compliance IEC 61000-4 Level 4

Advantages & Key Features

  • Mixed I/O Integration: IS200TDBSH6A combines 32 discrete inputs and 16 discrete outputs on a single board, reducing rack space and eliminating the need for separate input and output terminal boards.

  • High Channel Density: 48 total I/O channels in a single VME slot—significantly higher density than competing modules that typically offer 8–16 channels per board.

  • Wide Input Voltage Compatibility: Auto-ranging 24/48/125 VDC inputs allow direct connection to legacy plant battery systems.

  • Programmable Input Debouncing: 0–100 ms per-channel debounce eliminates false trips from contact bounce.

  • 1 ms Hardware Time-Stamping: Enables sequence-of-events (SOE) recording for post-trip forensic analysis.

  • Output Relay Protection: Built-in flyback diodes and RC snubbers protect relay contacts from voltage spikes and arcing.

  • Comprehensive Diagnostics: Open-wire, short-circuit, and stuck-contact monitoring for inputs; coil open/short and welded contact monitoring for outputs.

  • High-Density Status Indication: 32 green input LEDs, 16 green output LEDs, and 16 red output fault LEDs enable rapid on-site troubleshooting.

  • ToolboxST Integration: Full configuration, monitoring, and diagnostics via GE ToolboxST.

  • Drop-In Replacement: Direct replacement for earlier GE mixed I/O terminal boards.

Application Fields

  • Gas & Steam Turbines (GE Frame 6B/7EA/9E/HA): Monitoring emergency stop pushbuttons, pressure switches, limit switches, and vibration trip contacts (inputs); controlling fuel gas shut-off valves, alarm annunciators, and cooling fan starters (outputs).

  • Combined Cycle Plants: HRSG drum level switches (inputs) and bypass valve control (outputs).

  • Compressor Stations: Suction/discharge pressure switches (inputs) and anti-surge valve solenoids (outputs).

  • Hydropower Plants: Gate position switches (inputs) and brake solenoids (outputs).

Comparison with Competing Products

Feature GE IS200TDBSH6A Competitor A (Mixed I/O Module) Competitor B (Discrete Input + Output)
Discrete Inputs 32 isolated 8 isolated 16 isolated
Discrete Outputs 16 isolated (5A) 4 isolated (2A) 8 isolated (2A)
Input Voltage Range 24/48/125 VDC 24 VDC only 24 VDC only
Input Debounce 0–100 ms (per-channel) Fixed 10 ms Programmable (global)
Input Time-Stamping 1 ms hardware 5 ms software 2 ms software
Output Suppression Yes (built-in) External required External required
Diagnostics Input: open/short/stuck; Output: coil/short/welded Input: open only; Output: none Input: open only; Output: none
Isolation 1500 VAC 1000 VAC 500 VDC
Operating Temp –30°C to +65°C 0°C to 50°C 0°C to 60°C

Key Advantage: IS200TDBSH6A provides 48 total I/O channels (32 inputs + 16 outputs) in a single board—the highest mixed I/O density in its class—with wide input voltage compatibility, per-channel debouncing, 1 ms time-stamping, built-in output suppression, and comprehensive diagnostics for both inputs and outputs, significantly reducing rack space for turbine control applications.

Selection Guidelines & Recommendations

  • I/O Channel Count: Assess your total discrete input and output requirements. IS200TDBSH6A provides 32 inputs and 16 outputs per board.

  • Input Voltage Verification: Confirm plant battery voltage—the board auto-ranges for 24/48/125 VDC.

  • Output Load Verification: Confirm load requirements do not exceed 5A @ 250 VAC or 5A @ 30 VDC per channel. For inductive loads, de-rate appropriately.

  • Input Debounce Configuration: For vibration-prone switches, set 10–20 ms. For safety circuits (ESD), use 0–6 ms.

  • Diagnostic Configuration: Enable open-wire, short-circuit, and welded contact monitoring for critical circuits.

  • Controller Firmware: Requires Mark VIe processor firmware v7.5 or later.

  • Spare Strategy: Keep one spare per turbine; lead times 6–10 weeks.

  • Retrofit: Direct replacement—regenerate configuration in GE ToolboxST.

Important Cautions

  1. No Hot-Swap: De-energize rack before insertion/removal.

  2. Input Wiring Polarity: Observe correct polarity for DC inputs—reverse polarity triggers fault LED.

  3. Output Wiring Polarity: For DC loads, observe correct polarity—reverse polarity shorts through the flyback diode.

  4. Output Contact Protection: For loads exceeding 5A or highly inductive loads, use external contactors to protect relay contacts.

  5. Grounding: Connect ISO_GND to chassis ground at single star point.

  6. Shield Termination: Ground shields only at cabinet end.

  7. ESD Handling: Use grounded wrist straps; field repair not possible.

  8. Channel Mapping: With 48 channels, verify field wiring maps to correct ToolboxST channel numbers.

  9. Power Supply: Ensure rack power supply provides adequate current for all active outputs (5A max per channel × number of energized outputs).

A-B 1756-IF8
A-B 1756-IF8/A
FANUC A05B-2452-C900

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