GE IS200TDBTH2A Discrete I/O Terminal Board The GE IS200TDBTH2A, also cataloged as the IS200TDBTH2A Discrete I/O Terminal Board, operates as a dedicated hardware...
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Keterangan
GE IS200TDBTH2A Discrete I/O Terminal Board
The GE IS200TDBTH2A, also cataloged as the IS200TDBTH2A Discrete I/O Terminal Board, operates as a dedicated hardware component for discrete field signal execution within GE Mark VI turbine control system platforms. The board interfaces dry-contact inputs and relay outputs for sequencing, protection, and shutdown logic circuits.
Hardware Specifications
Parameter
Specification
Model
IS200TDBTH2A
Brand
GE
Origin
United States
Weight
0.7 kg
Dimensions
33 cm x 18 cm x 4.5 cm
Operating Temp
-30 deg C to +65 deg C
Power Consumption
Supplied by PDIO pack with +5 VDC logic power
Module Type
Discrete I/O Terminal Board
System Platform
GE Mark VI turbine control system
Discrete Inputs
24 channels, isolated, dry-contact compatible
Relay Outputs
12 Form-C SPDT relays
Wetting Voltage Range
12-145 VDC, nominal 24 VDC, 48 VDC, or 125 VDC
Relay Contact Rating
5 A resistive at 250 VAC / 5 A at 30 VDC
Input Filtering
12 V RMS AC rejection, 4-20 ms debounce
Field Power
External 24/48/125 VDC
Isolation Rating
1500 Vrms channel-to-backplane
Compliance
IEC 61010-1, EN 61326-1, UL 61010-1
MTBF
Approx. 3,500,000 hours (Telcordia SR-332, 40 deg C ambient)
Deterministic Network and I/O Scaling Architecture
The IS200TDBTH2A operates within the GE Mark VI control I/O architecture and provides discrete signal termination between field devices and PDIO interface packs. The board supports I/O density scaling through 24 isolated input channels and 12 relay output channels for turbine control sequencing and protection functions.
The terminal board supports simplex, dual modular redundant (DMR), and triple modular redundant (TMR) configurations. Hardware isolation between field circuits and controller backplane sections provides electrical separation for discrete signal processing.
The board integrates surge suppression components and input filtering circuits to reduce transient effects from inductive loads. Compatibility with Mark VI PDIO packs allows deterministic discrete signal transfer between field wiring and controller processing modules.
Frequently Asked Questions
Q: What field devices can be connected to the IS200TDBTH2A terminal board? A: The board supports dry-contact field devices including limit switches, alarms, trip contacts, and other discrete control signals.
Q: Does the IS200TDBTH2A support TMR system configurations? A: The board supports simplex, DMR, and TMR architectures when installed with compatible GE Mark VI control system components.
Q: What type of output switching is provided by the relay channels? A: The board provides 12 Form-C SPDT relay outputs for switching external loads such as solenoids, annunciators, and motor starter interfaces.
Field Installation Guidelines
Install the IS200TDBTH2A according to GE Mark VI cabinet wiring procedures and PDIO pack connection requirements. Verify terminal block wiring, ribbon cable connections, and grounding paths before applying system power.
Use separated routing for discrete field wiring and high-energy switching conductors to minimize electromagnetic interference. Connect cable shields according to the cabinet grounding design where shielded wiring is applied.
Confirm field wetting voltage selection, input contact polarity, and relay output wiring before commissioning. Check diagnostic indicators and controller I/O status feedback to verify correct channel operation after installation.
