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GE IS200TDBTH2ABC TDBT Discrete Input / Output Terminal Board
The IS200TDBTH2ABC is a TDBT terminal board used for discrete field-signal termination within the GE Mark VIe PDIO architecture. The TDBTH2A version is specified for nominal 24 Vdc contact-input wetting voltage and TMR operation.
01 · Product Function
TDBT / PDIO
The IS200TDBTH2ABC provides the field termination interface for discrete contact signals and relay-controlled outputs in the Mark VIe control architecture. It connects field wiring with the associated PDIO I/O interface for signal routing.
Part identification IS200TDBTH2ABC · TDBTH2A version · GE Mark VIe TDBT
02 · Technical Specifications
CORE DATA
Electrical & I/O
Contact inputs 24 group-isolated contact inputs
Wetting voltage Nominal 24 Vdc, floating; 16–32 Vdc range for TDBTH2A
Relay outputs 12 Form-C relay outputs
Input filtering Hardware input filter: 4 ms
Additional electrical data
Input current
First 21 circuits: 2.5 mA; last 3 circuits: 10.4 mA
Terminal structure TB1 relay section and TB2 contact-input section, with 48 terminal points per set
Wiring & voltage connection
Typical field wiring
#18 AWG wiring is specified as typical in the Mark VIe hardware guide
Wetting-voltage connection
Supplied through the JE1 connector
Relay Option Board
Compatible option
IS200WROB option board
WROB function
Fused and sensed power distribution for the first six relay outputs and dedicated power for the last relay output
Not compatible
IS200WROF and IS200WROG are identified by the GE guide as not compatible with IS200TDBT
03 · System Compatibility & Signal Architecture
MARK VIe
The TDBT is specified for the TMR PDIO discrete I/O arrangement. PDIO connection points interface with the I/O packs, which communicate with Mark VIe controllers over Ethernet.
Three PDIO I/O packs connect to the TDBT.
With TMR controllers, each PDIO has a network connection to its respective controller.
The GE guide states that TDBT is not designed to operate correctly with a single PDIO I/O pack.
Replacement check
Compare the installed board marking and TDBT version with the existing Mark VIe signal architecture before ordering. For TDBTH2A, confirm the required 24 Vdc wetting-voltage arrangement.
04 · Installation & Wiring Reference
FIELD CONNECTION
Terminal arrangement
TB1 is the relay-output section.
TB2 is the contact-input section.
TB2 terminals 1–24 serve inputs 1–12.
TB2 terminals 25–48 serve inputs 13–24.
Wetting-voltage & field connection
Contact wetting voltage is supplied through JE1.
JE1 pin 3 provides the negative/return wetting-voltage connection.
Wetting-voltage terminals are connected in parallel from the board wetting-voltage supply.
Field shields are terminated on a separate bracket according to the hardware guide.
05 · Applications & Fault Scenarios
FIELD USE
The board is associated with discrete signal interfacing in GE Mark VIe turbine-control environments, where field contact status and relay-controlled signals are handled through the discrete I/O architecture.
Contact-input status acquisition from field devices.
Discrete relay-output control within the control architecture.
Replacement of an installed TDBT board when the exact board version has been identified.
Replacement-search triggers
Common search triggers include loss of wetting voltage, an unresponsive contact-input channel, or a relay/output channel requiring investigation. Match the installed part number and system arrangement before replacement.
06 · Documentation Reference
IDENTIFICATION
Technical reference: GE Mark VIe Control System / PDIO documentation, including GEH-6721 hardware guidance for TDBT terminal boards. Relevant documentation covers TDBT architecture, board versions, installation arrangement, terminal assignments and operating characteristics.
07 · Delivery, Warranty & RFQ
AMIKON
Testing Each supplied unit is checked before shipment against the ordered part number and available product condition.
Packaging & DOA Protective industrial packaging is used. Report any DOA issue promptly with photos and order details for review.
Warranty 12-month warranty covering the supplied product under applicable warranty terms; physical damage or misuse is excluded.
For an accurate quotation, please send: Part Number · Quantity · Destination · Required Date · Machine/System Model
How many contact inputs does the TDBTH2A version provide?
The TDBT provides 24 group-isolated contact inputs. The TDBTH2A version uses nominal 24 Vdc floating wetting voltage.
How many relay outputs are available on the TDBT?
The board provides 12 Form-C relay outputs.
Can the TDBT operate with only one PDIO I/O pack?
No. The GE Mark VIe guide specifies the TDBT for the TMR PDIO arrangement and states that it is not designed to operate correctly with a single PDIO I/O pack.
Which relay option board is associated with the TDBT?
IS200WROB is the compatible option board identified for TDBT. The GE guide specifically identifies IS200WROF and IS200WROG as not compatible with IS200TDBT.
Technical reference basis: GE Mark VIe Control System / PDIO documentation, including GEH-6721 hardware guidance for TDBT terminal boards. Product identification is kept specific to the supplied IS200TDBTH2ABC part number.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company
Year Established:
2004
Total Annual:
85682000-125000000
Employee Number:
70~80
Ecer Certification：
Verified Supplier
Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste... Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distributed Control Syste...
