Highland T900 Modules | T900 PN 122138 FOR CYMER Control System Module

Technical Dossier

Product Details And Specifications

Highland T900 Series: Comprehensive Module Range and Technical Overview

The Highland T900 series represents a purpose-engineered control system platform deployed extensively across high-demand industrial environments, including semiconductor fabrication facilities, chemical processing plants, and precision laser system integration—most notably within Cymer excimer laser power systems. The T900 architecture provides deterministic real-time control with a modular backplane design, enabling field-level replacement of individual function modules without full system shutdown. Its installed base spans facilities in North America, Europe, and Asia-Pacific, where long equipment lifecycles (15–25 years) make spare parts availability a critical operational concern. The T900 PN 122138 is a control system module specifically interfaced for Cymer laser platforms, handling signal conditioning, interlock logic, and system-level diagnostics within the T900 rack assembly.

The Evolution of T900 Architecture

The Highland T900 platform was developed to address the need for modular, rack-based control in precision industrial and scientific instrumentation. Early T900 configurations relied on parallel backplane communication with discrete analog and digital I/O modules. As system complexity increased—particularly in laser power supply and semiconductor process control applications—the architecture evolved to incorporate higher-density I/O, improved noise immunity, and enhanced diagnostic transparency via dedicated status registers. Compatibility between early-generation T900 modules and later rack assemblies is generally maintained at the backplane connector level, though firmware revisions and address mapping changes require verification before cross-generation substitution. For Cymer-specific integrations, the T900 modules are factory-configured with application-specific firmware; generic T900 modules are not direct drop-in replacements without reconfiguration. The series is now in a mature/end-of-life phase, with Highland no longer actively marketing new T900 units. Long-term maintenance support is therefore dependent on specialist distributors maintaining certified refurbished and new-old-stock (NOS) inventory.

T900 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified Highland T900 series modules. Each entry reflects a distinct functional role within the T900 rack system. Modules are categorized by primary function.

Control & CPU Modules

• T900 PN 122138: Control system module for Cymer excimer laser platforms; handles interlock logic and system diagnostics.
• T900 PN 120100: Main CPU controller module; executes real-time process sequencing and rack arbitration.
• T900 PN 120101: Secondary processor module; provides redundant control path for critical process loops.
• T900 PN 120115: Supervisory control module; manages rack-level watchdog and fault logging functions.

Analog I/O Modules

• T900 PN 121050: 8-channel analog input module; 0–10 V / 4–20 mA selectable per channel, 12-bit resolution.
• T900 PN 121051: 4-channel analog output module; 0–10 V output, used for laser power setpoint control.
• T900 PN 121060: High-speed analog input module; 16-bit resolution, 50 kSps, for precision energy measurement.
• T900 PN 121065: Isolated analog input module; 500 V channel-to-channel isolation for high-voltage environments.

Digital I/O Modules

• T900 PN 122010: 32-channel digital input module; 24 VDC logic, optically isolated, for interlock signal acquisition.
• T900 PN 122011: 32-channel digital output module; 24 VDC sourcing, 500 mA per channel, relay-compatible.
• T900 PN 122020: 16-channel bidirectional digital I/O module; software-configurable direction per channel.
• T900 PN 122030: High-speed digital counter/timer module; used for pulse counting in laser repetition rate monitoring.

Communication & Interface Modules

• T900 PN 123010: RS-232/RS-485 serial communication module; supports Modbus RTU for host system integration.
• T900 PN 123020: GPIB (IEEE-488) interface module; used in test and measurement integration within Cymer systems.
• T900 PN 123030: Ethernet communication module; 10/100 Mbps, supports Modbus TCP for remote monitoring.

Power Supply Modules

• T900 PN 124010: Rack power supply module; 24 VDC regulated output, 10 A continuous, with overcurrent protection.
• T900 PN 124020: Redundant power supply module; hot-swap capable, for high-availability rack configurations.

Sourcing Hard-to-Find & Obsolete T900 Parts

Quality Control for the T900 Range

T900 modules present specific test challenges due to their multi-layer backplane communication architecture and application-specific firmware configurations. DriveKNMS applies the following verification procedures to all T900 units prior to shipment:

• Backplane continuity test: All edge connector pins verified for continuity and correct impedance against Highland reference schematics.
• Power rail verification: Module power consumption measured under load; compared against Highland-specified operating envelopes.
• Functional I/O test: Each analog and digital channel exercised through full-scale input/output range using calibrated test equipment.
• Communication bus test: Serial and network interface modules tested for correct protocol framing, baud rate accuracy, and error-free data transmission.
• Cymer-specific interlock simulation: For PN 122138 and related Cymer-interface modules, interlock logic is exercised using a Cymer system emulator to verify correct fault response and signal conditioning behavior.
• Burn-in cycle: All refurbished units subjected to 48-hour powered burn-in at rated operating temperature prior to final inspection.
• Documentation: Each unit ships with a test report recording measured parameters, technician ID, and test date.