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- IS200TDBSH6ABC
- Discrete Simplex Card
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- 200 × 100 × 25 mm
- 0.5 kg
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Product Overview
The GE IS200TDBSH6ABC Discrete Simplex Card is a specialized industrial control interface component designed for use within compatible GE control-system architectures. As part of the GE IS200 family, the card is associated with discrete signal handling and provides an interface between field-level discrete information and the electronic control system.
Discrete signals are essential in industrial automation because many operating conditions are represented by defined states rather than continuously changing values. Equipment running status, switch positions, auxiliary contacts, interlocks, permissives, and alarm conditions can all be represented by discrete signals. A dedicated discrete card provides an organized path for these signals to enter or interact with the control architecture.
The GE IS200TDBSH6ABC has listed dimensions of 200 × 100 × 25 mm and a weight of approximately 0.5 kg. Its compact board format allows it to be integrated into industrial control equipment where reliable discrete signal handling and efficient use of cabinet space are important.
The term Simplex identifies an architecture in which the associated control function is implemented through a single active signal path rather than a redundant configuration. The exact role of the IS200TDBSH6ABC depends on the host GE control system, associated I/O hardware, and system configuration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS200TDBSH6ABC |
| Product Family | GE IS200 Series |
| Product Type | Discrete Simplex Card |
| Signal Type | Discrete / Digital Signals |
| Primary Function | Discrete signal interface and processing |
| Architecture | Simplex |
| Application | Industrial Control and Automation |
| Interface Role | Field and control-system signal interface |
| Dimensions | 200 × 100 × 25 mm |
| Weight | 0.5 kg |
| Installation | Compatible GE industrial control equipment |
| Typical Applications | Equipment status, switching signals, interlocks, alarms, process monitoring |
What Is the GE IS200TDBSH6ABC?
The IS200TDBSH6ABC is a GE Discrete Simplex Card designed to participate in the discrete signal architecture of compatible industrial control systems.
A discrete signal normally represents a defined operating state. For example, a contact can indicate whether a motor is running, while a switch can indicate whether a valve has reached a particular position.
The discrete card provides an interface through which this information can be incorporated into the control system.
A simplified architecture can be represented as:
Field Device → Field Wiring → IS200TDBSH6ABC → Control-System Interface → Controller
The controller can then use the resulting information for monitoring, sequencing, alarms, interlocks, permissive logic, or other programmed functions.
The exact electrical interface and signal assignments should be verified against the documentation for the specific GE control system in which the card is installed.
Understanding the Simplex Architecture
The term simplex is important when describing the architecture of a control system.
In a simplex arrangement, a particular control or signal path is implemented using a single active hardware path rather than multiple redundant paths operating together.
This architecture can be suitable for applications where the system design does not require redundant signal processing for the particular function.
A simplified representation is:
Field Signal → Single Discrete Interface → Control Logic
By comparison, a redundant architecture may contain multiple corresponding signal paths that provide additional availability.
The exact redundancy philosophy of a complete GE control system depends on the system design and application. Therefore, the IS200TDBSH6ABC should always be evaluated within its complete control architecture.
Discrete Signal Working Principle
Discrete Input Conditions
A discrete signal typically communicates a defined state.
Examples include:
- ON / OFF
- Open / Closed
- Running / Stopped
- Normal / Fault
- Active / Inactive
- Ready / Not Ready
- Permissive / Not Permissive
The control system interprets these states according to its configuration.
Signal Acquisition
A field device generates or changes a discrete electrical condition. The signal is transferred through the field wiring to the appropriate interface.
The IS200TDBSH6ABC participates in this signal path by providing the required discrete-card interface within the compatible control architecture.
Signal Processing
The associated electronics interpret the received condition so that the control system can use it as a logical input.
Depending on the application, the information may be used to:
- Update equipment status
- Trigger an alarm
- Enable an operating sequence
- Activate an interlock
- Provide a permissive
- Initiate a control response
Role in Industrial Control Systems
The IS200TDBSH6ABC occupies the interface layer between physical equipment and control-system logic.
A simplified automation structure is:
Industrial Process
↓
Field Device
↓
Discrete Signal
↓
IS200TDBSH6ABC
↓
I/O / Control Electronics
↓
Controller
↓
HMI / Supervisory System
This arrangement allows physical equipment states to become part of an automated control strategy.
For example, a pump auxiliary contact may indicate whether the pump is operating. The control system can use this information to verify that a start command produced the expected result.
Similarly, a valve-position contact can provide feedback to sequence control and interlock logic.
Applications of Discrete Simplex Cards
Discrete signal cards are useful in applications where the control system needs to recognize equipment states rather than continuously measure a variable.
Typical applications include:
Equipment Status Monitoring
Discrete signals can indicate whether equipment is running, stopped, available, or in a fault condition.
Interlock Systems
Interlocks can prevent an operation from occurring unless specific equipment conditions are satisfied.
Permissive Logic
A permissive signal can indicate that the conditions required for an operation have been met.
Alarm Monitoring
Discrete contacts can be used to report abnormal conditions to the control system.
Sequence Control
Discrete signals can confirm the completion of one step before a subsequent sequence begins.
Position Monitoring
Switches and position contacts can indicate the physical position of valves, actuators, doors, or mechanical equipment.
Industrial Applications
Power Generation
Power-generation facilities use numerous discrete signals to monitor equipment states, auxiliary systems, electrical devices, and protective conditions.
The IS200TDBSH6ABC can form part of the discrete signal infrastructure in compatible GE control equipment.
Turbine Control
Turbine systems require extensive monitoring of auxiliary equipment, permissives, interlocks, and operating conditions.
Discrete signals can provide essential status information to turbine control logic.
Generator Systems
Generator auxiliaries and associated electrical equipment frequently use contact signals to communicate equipment status.
These signals can be incorporated into the control architecture through suitable interface hardware.
Industrial Machinery
Industrial machines commonly use switches, auxiliary contacts, and discrete sensors to provide position and operating-state feedback.
Process Automation
Pumps, motors, valves, compressors, and other process equipment frequently provide discrete feedback for automatic sequencing and control.
System Integration
The IS200TDBSH6ABC should be installed only as part of a compatible GE control-system configuration.
A typical signal path can include the following stages.
Field Device
A switch, auxiliary contact, relay, or other discrete device generates a field signal.
Field Wiring
The signal travels through the plant wiring to the control cabinet.
Discrete Card
The IS200TDBSH6ABC provides the appropriate interface within the control architecture.
Control Electronics
Associated I/O and control hardware receives and processes the signal.
Control Processor
The controller evaluates the input according to programmed logic.
Operator Interface
The resulting equipment status or alarm can be presented through the appropriate HMI or supervisory interface.
This layered structure helps separate field instrumentation from control logic while maintaining a clear signal path.
Installation Guidelines
Correct installation is essential for reliable operation.
Verify the Complete Part Number
Before replacement or installation, verify:
- IS200TDBSH6ABC part number
- Revision designation
- Board markings
- Installation position
- Connector arrangement
- Associated control hardware
- Existing field wiring
The complete identification should be checked rather than relying on board appearance.
Document Existing Wiring
When replacing an existing card, record all relevant wiring and connection information before removal.
Recommended records include:
- Wire numbers
- Terminal positions
- Signal descriptions
- Field-device names
- Cable identification
- Reference/common connections
- Shielding information
Mechanical Installation
The listed dimensions of the IS200TDBSH6ABC are:
200 × 100 × 25 mm
The card should be securely installed in its designated control-system position.
Adequate clearance should be maintained for:
- Connector access
- Cable routing
- Inspection
- Maintenance
- Ventilation where required
Electrical Installation
Connections should be made according to the approved system documentation.
Before energization, check:
- Correct wiring
- Secure connections
- Correct terminal locations
- Grounding requirements
- Shielding arrangements
- Absence of accidental shorts
Cabinet Installation and Cable Management
A well-organized cabinet improves both reliability and serviceability.
Field cables should be routed so that technicians can easily identify individual circuits.
Recommended practices include:
- Label all conductors clearly.
- Maintain consistent cable routing.
- Avoid excessive bending.
- Prevent mechanical strain on connectors.
- Keep signal wiring organized.
- Separate signal and power wiring where appropriate.
- Maintain sufficient maintenance access.
Good cable management is particularly important in systems containing large numbers of discrete field signals.
Grounding and EMC Considerations
Industrial control environments can contain significant electrical noise.
Potential sources include:
- Motors
- Variable speed drives
- Contactors
- Transformers
- Power converters
- High-current cables
- Switching equipment
Discrete signals can sometimes be affected by poor wiring practices or electrical interference.
Grounding and shielding should therefore follow the requirements of the complete GE control-system design.
Cable routing should also be planned to reduce unnecessary coupling between sensitive signal circuits and high-energy conductors.
PLC and Controller Integration
The IS200TDBSH6ABC is a specialized control-system card rather than a general-purpose PLC CPU.
Its role is to participate in the discrete signal interface between field equipment and the control system.
A typical sequence may be:
- A field device changes state.
- The corresponding electrical signal travels through the field wiring.
- The signal reaches the discrete interface.
- The associated electronics detect the state.
- The controller evaluates the signal.
- Control logic determines the required response.
- Equipment status or alarm information is updated.
- An appropriate control action may be initiated.
This allows discrete field conditions to become part of an automated control sequence.
HMI and SCADA Integration
The IS200TDBSH6ABC does not normally provide direct HMI or SCADA functionality.
Instead, it contributes to the field-level signal path.
After the control system processes a discrete signal, the resulting information may be displayed to operators through an HMI or supervisory system.
For example:
- Motor Running
- Pump Available
- Valve Open
- Valve Closed
- Breaker Closed
- Equipment Fault
- Interlock Active
- System Ready
A terminal or discrete-interface problem can therefore appear at the operator level as a missing or incorrect status indication.
Commissioning Procedure
A structured commissioning procedure can help verify correct signal operation.
Step 1: Verify Hardware Identification
Confirm the complete IS200TDBSH6ABC model and applicable revision.
Step 2: Inspect the Card
Check for physical damage, contamination, loose hardware, or connector problems.
Step 3: Verify Wiring
Compare the field connections with approved engineering documentation.
Step 4: Test Field Devices
Verify the operation of switches, contacts, relays, or other connected discrete devices.
Step 5: Verify Input Recognition
Confirm that the control system detects the expected signal state.
Step 6: Test Logic
Where applicable, verify associated sequence, permissive, interlock, and alarm logic.
Step 7: Verify Operator Indication
Confirm that the expected equipment status appears correctly on the HMI or supervisory interface.
Step 8: Record Results
Document commissioning results and any corrective actions.
Troubleshooting the IS200TDBSH6ABC
Troubleshooting should start with the complete field-to-controller signal path.
No Discrete Signal
If the expected signal is missing, inspect:
- Field device
- Field wiring
- Terminal connections
- Connectors
- Associated I/O hardware
- Control configuration
- Diagnostic information
A failed field switch can produce symptoms similar to an interface-card fault.
Intermittent Signal
Intermittent behavior may be caused by:
- Loose wiring
- Damaged cable
- Worn contact
- Connector problems
- Vibration
- Corrosion
- Electrical interference
Checking the signal while inspecting the physical wiring can help locate the problem.
Signal Permanently Active
If a signal remains active unexpectedly, investigate:
- Field contact condition
- Wiring shorts
- Incorrect termination
- Incorrect terminal assignment
- Configuration
- Associated input electronics
Signal Permanently Inactive
Possible causes include:
- Open circuit
- Broken conductor
- Failed field contact
- Loose connection
- Incorrect wiring
- Input-interface problem
- Configuration issue
Multiple Signals Fail
If several related signals fail at the same time, investigate common components first.
Potential causes include:
- Shared wiring
- Common reference connections
- Connectors
- Associated I/O hardware
- Power/reference circuits
- Control configuration
Preventive Maintenance
Preventive maintenance should cover the card, connectors, field wiring, and associated field devices.
Visual Inspection
Inspect for:
- Physical damage
- Discoloration
- Corrosion
- Contamination
- Loose hardware
- Connector damage
- Signs of overheating
Wiring Inspection
Check field wiring for:
- Damaged insulation
- Loose connections
- Mechanical strain
- Moisture exposure
- Poor labeling
- Improper routing
Field Device Inspection
Switches, relays, auxiliary contacts, and other discrete devices should also be inspected because field-device degradation can produce symptoms that resemble control-system faults.
Cabinet Environment
Maintain suitable environmental conditions and protect the equipment from excessive:
- Temperature
- Humidity
- Dust
- Vibration
- Chemical contamination
Replacement and Spare-Part Planning
When sourcing a replacement for the GE IS200TDBSH6ABC, verify the complete part number and revision.
Important identification information includes:
- Full model number
- Revision
- Board markings
- Connector arrangement
- Installation location
- Associated I/O hardware
- Host control-system configuration
The listed dimensions are:
200 × 100 × 25 mm
The listed weight is:
0.5 kg
These specifications can assist with spare inventory, shipping, cabinet planning, and replacement logistics.
A different GE IS200 card should not automatically be substituted based only on similar dimensions or physical appearance.
Physical Dimensions and Weight
The GE IS200TDBSH6ABC has listed dimensions of:
200 × 100 × 25 mm
Its listed weight is:
0.5 kg
The compact board format allows it to be incorporated into industrial control equipment while maintaining a relatively small physical footprint.
For replacement planning, dimensions should be considered together with connector location, mounting arrangement, electrical function, and system compatibility.
Compatible System Components
The IS200TDBSH6ABC may form part of a broader GE industrial control system containing:
| Component | General Function |
|---|---|
| Field Switch | Provides discrete equipment status |
| Auxiliary Contact | Reports equipment operating condition |
| Relay Contact | Provides switching information |
| Field Wiring | Transfers discrete signals |
| IS200TDBSH6ABC | Provides discrete simplex interface |
| I/O Electronics | Receives field information |
| Control Processor | Executes programmed logic |
| HMI | Displays equipment status and alarms |
| Engineering Workstation | Supports configuration and diagnostics |
| Control Cabinet | Houses automation equipment |
The exact component arrangement depends on the specific GE control-system configuration.
Recommended Related GE Models
| GE Model | Product Description | General Role |
|---|---|---|
| IS200TDBSH2AAA | Discrete Single-Card Terminal Board | Discrete field-signal interface |
| IS200TBCIH1BBC | Contact Input Terminal Block | Contact input termination |
| IS200TBC1H1BCE | Mark VI Contact Terminal Block | Field contact interface |
| IS200STAIH2ACB | Analog I/O Terminal Block | Analog signal interface |
| IS200SSCAH2AGD | Serial Communication I/O Terminal Board | Communication and I/O interface |
| IS200ECTBG1ADA | Exciter Contact Terminal Block | Excitation-system interface |
| IS200EBKPG1CAA | Exciter Backplane | Control-board interconnection |
These components represent related GE industrial control hardware. They should not be considered direct replacements for the IS200TDBSH6ABC without confirming the complete electrical and system configuration.
Engineering Best Practices
Maintain Accurate Wiring Documentation
Keep terminal assignments, signal descriptions, and field-device information current.
Label All Field Connections
Clear identification makes troubleshooting and replacement work faster and reduces reconnection errors.
Separate Signal and Power Wiring
Where appropriate, maintain physical separation between discrete signal wiring and high-power conductors.
Protect Connectors From Mechanical Stress
Cable routing should prevent unnecessary tension or bending at board connections.
Verify Before Energization
After replacement or wiring changes, inspect all relevant connections before returning the system to service.
Record Hardware Revisions
Maintaining accurate part-number and revision information simplifies future spare-part planning.
Key Advantages
Dedicated Discrete Signal Interface
The IS200TDBSH6ABC provides a specialized interface for discrete field signals within compatible GE control architectures.
Simplex Architecture
The card is associated with a simplex control arrangement, providing a single active signal path for its intended function.
Compact Construction
With listed dimensions of 200 × 100 × 25 mm, the card can be integrated into industrial control assemblies with limited space.
Organized Signal Management
A dedicated interface helps structure discrete field connections and supports easier signal tracing.
Improved Maintenance
Clear signal paths and organized connections can simplify inspection, commissioning, and troubleshooting.
Industrial Control Integration
The card can participate in larger GE automation architectures connecting field equipment with control and supervisory systems.
Technical FAQs
What is the GE IS200TDBSH6ABC?
The GE IS200TDBSH6ABC is a Discrete Simplex Card designed to participate in discrete signal interfacing within compatible GE industrial control systems.
What does “Discrete” mean in this product?
Discrete refers to signals representing defined states such as ON/OFF, open/closed, running/stopped, or normal/fault rather than continuously variable process values.
What does “Simplex” mean?
Simplex describes a control architecture using a single active hardware path for the relevant function rather than a redundant arrangement.
What are the dimensions of the IS200TDBSH6ABC?
The listed dimensions are 200 × 100 × 25 mm.
How much does the IS200TDBSH6ABC weigh?
The listed weight is approximately 0.5 kg.
Is the IS200TDBSH6ABC a PLC?
No. It is a specialized Discrete Simplex Card rather than a general-purpose PLC CPU.
What applications use discrete signals?
Discrete signals are commonly used for equipment status, switches, auxiliary contacts, interlocks, permissives, alarms, valve positions, motor status, and other defined operating conditions.
What can cause a missing discrete signal?
Possible causes include a failed field device, broken cable, loose connection, incorrect wiring, connector problems, associated I/O faults, or configuration issues.
Can another IS200 card replace the IS200TDBSH6ABC?
Not automatically. The complete part number, revision, electrical function, connector arrangement, and host-system requirements should be verified before substitution.
How should the IS200TDBSH6ABC be maintained?
Maintenance should include inspection of the card, connectors, field wiring, connected devices, cabinet environment, and associated signal diagnostics.
Conclusion
The GE IS200TDBSH6ABC Discrete Simplex Card is a specialized industrial control component designed to support discrete signal interfacing within compatible GE automation architectures. By providing an organized path for discrete field information, the card can contribute to equipment-status monitoring, sequence control, interlocks, permissive logic, and alarm functions.
With listed dimensions of 200 × 100 × 25 mm and a weight of 0.5 kg, the IS200TDBSH6ABC offers a compact form factor suitable for integration into industrial control equipment.
For installation, commissioning, maintenance, and replacement, the complete IS200TDBSH6ABC identification should be verified together with its revision, connector arrangement, associated I/O hardware, field wiring, and host-system requirements. Accurate documentation, secure connections, appropriate cable management, and systematic signal testing are essential for maintaining dependable operation of the overall control system.