The GE DS3860HPTE is a high-performance pulse/encoder input and time-stamping module for the GE Mark VIe control system, designed for precise measurement of speed, position, and frequency signals from magnetic pickups, encoders, and proximity probes. The suffix -HPTE indicates High-performance Pulse/Time-stamping Encoder input module. This module provides 8 independent pulse input channels, each configurable for incremental encoders (A/B/Z), magnetic pickups (MPU), proximity probes, or general-purpose frequency measurement. Each channel on the GE DS3860HPTE includes programmable debounce filters, quadrature decoding, and high-resolution time-stamping (100ns resolution) for accurate speed and position measurement. The module is specifically optimized for turbine overspeed detection, shaft speed measurement, and phase-angle tracking for synchronization.
The GE DS3860HPIB is a high-performance process I/O bus interface module for the GE Mark VIe control system, designed to connect the Mark VIe backplane to external process I/O subsystems and remote I/O racks. The suffix -HPIB indicates High-performance Process I/O Bus interface, providing a high-speed deterministic communication link for distributed I/O architectures. This module acts as a bus master for up to 128 remote I/O nodes, supporting the GE-proprietary High-Speed Process Bus (HSPB) protocol. The GE DS3860HPIB handles data acquisition, diagnostics, and synchronization for distributed I/O, with a 1ms deterministic scan cycle and time-stamping of remote I/O data. The module features dual-redundant fiber optic ports (100BASE-FX) for noise-immune, long-distance communication (up to 2km), making it ideal for large turbine islands and distributed plant architectures.
The GE DS3860HMPK is a high-performance multifunction power quality and monitoring module for the GE Mark VIe control system, designed for comprehensive electrical parameter measurement in power generation and distribution systems. The suffix -HMPK indicates High-capacity Multifunction Power Quality with K-class accuracy (per IEEE C37.90.1), featuring enhanced transient capture and extended harmonic analysis compared to the DS3860HMPJ. This module provides 8 analog input channels for voltage (up to ±100V) and 8 channels for current (via external CTs), with onboard DSP for real-time calculation of power, energy, harmonics, and power factor. The GE DS3860HMPK performs continuous waveform capture (up to 1024 samples/cycle) and includes full harmonic analysis up to the 127th order, with enhanced transient detection (sub-cycle) for power quality event recording.
The GE DS3860HMPJ is a high-performance multifunction power quality and monitoring module for the GE Mark VIe control system, designed for comprehensive electrical parameter measurement in power generation and distribution systems. The suffix -HMPJ indicates High-capacity Multifunction Power Quality with J-class accuracy (per IEEE C37.90.1). This module provides 8 analog input channels for voltage (up to ±100V) and 8 channels for current (via external CTs), with onboard DSP for real-time calculation of power, energy, harmonics, and power factor. The GE DS3860HMPJ performs continuous waveform capture (up to 512 samples/cycle) and includes full harmonic analysis up to the 63rd order, making it suitable for generator protection, synchronization, and power quality compliance monitoring.
The GE DS3860HCVA is a high-capacity voltage analog input module for the GE Mark VIe control system, designed for precision measurement of high-voltage DC and AC signals. The suffix -HCVA indicates High-Capacity Voltage Analog with extended input range and enhanced isolation. This module provides 8 differential analog input channels, each configurable for ±10V, ±20V, ±50V, or ±100V DC/AC RMS ranges, making the GE DS3860HCVA suitable for monitoring generator field voltage, battery bank voltages, and high-level transducer signals in power generation applications. The module features 24-bit Sigma-Delta ADC with programmable filtering, true RMS measurement for AC signals, and comprehensive diagnostics including over-range, under-range, and open-wire detection. The GE DS3860HCVA communicates via the Mark VIe high-speed backplane with configurable scan rates from 10ms to 1s.
The GE DS3860HAFA is a high-density analog fast-acquisition input module for the GE Mark VIe control system, designed for high-speed, high-accuracy measurement of analog signals in turbine and generator protection applications. The suffix -HAFA indicates High-speed Analog Fast Acquisition with enhanced sampling rate and onboard signal processing. This module provides 16 differential analog input channels, each configurable for ±10V, 0–20mA, or 4–20mA, with a maximum sampling rate of 10kHz per channel. The GE DS3860HAFA features a dedicated 24-bit ADC per channel, programmable anti-aliasing filters, and real-time peak detection for transient capture. It is specifically optimized for vibration analysis, overspeed detection, and fast transient monitoring where high-speed data acquisition is critical. The module communicates via the Mark VIe high-speed backplane with deterministic scan rates configurable from 0.1ms to 10ms.
The GE DS38600HUMB is a high-capacity universal multifunction bus interface module for the GE Mark VIe control system, designed to bridge the Mark VIe backplane with external fieldbus networks and third-party devices. The suffix -HUMB indicates High-capacity Universal Multifunction Bus interface, providing multiple communication protocols in a single module. The GE DS38600HUMB supports Modbus TCP, Modbus RTU, Profibus DP, CANopen, and OPC UA (server/client), making it the primary gateway for integrating Mark VIe systems with plant DCS, SCADA, and intelligent field devices. The module features dual redundant Ethernet ports, two serial ports (RS-232/RS-485), and a CAN interface. The GE DS38600HUMB handles protocol conversion, data mapping, and buffering, with capacity for up to 2000 data points, ensuring seamless data exchange without burdening the main controller.
The GE DS38600HCVA is a high-capacity voltage analog input module for the GE Mark VIe control system, designed for precision measurement of high-voltage signals in power generation and heavy industrial applications. The suffix -HCVA indicates High-Capacity Voltage Analog input with extended input range and enhanced isolation. This module provides 8 differential analog input channels, each configurable for ±10V, ±20V, ±50V, or ±100V DC voltage ranges, making the GE DS38600HCVA suitable for monitoring generator field voltage, battery bank voltages, and high-level transducer signals. The module features 24-bit Sigma-Delta ADC, programmable input filtering, and comprehensive diagnostics including over-range, under-range, and open-wire detection. The GE DS38600HCVA communicates via the Mark VIe high-speed backplane with configurable scan rates from 10ms to 1s.
The GE DS3845LT3 is a 3-channel RTD/Resistance temperature input module for the GE Mark VIe control system, designed for precision temperature measurement using 2-wire, 3-wire, or 4-wire RTDs (Pt100, Pt1000, Ni100, Cu10). The suffix -LT3 indicates Low-Temperature 3-channel configuration with extended accuracy for cryogenic and bearing temperature applications. Each channel provides programmable excitation current, automatic lead-wire compensation, and built-in open-circuit detection. The GE DS3845LT3 is optimized for turbine bearing metal temperature monitoring, motor winding temperature measurement, and other critical temperature points requiring high accuracy and long-term stability. The module communicates via the Mark VIe high-speed backplane with configurable scan rates from 10ms to 1s.
The GE DS3820MSAB is a master synchronizer / bus interface module for the GE Mark VIe control system, responsible for coordinating time-critical operations across multiple racks and I/O nodes. The suffix -MSAB indicates Master Synchronizer with Auxiliary Bus interface. This module generates the high-precision system clock (timestamp) and synchronization pulses that ensure deterministic data exchange between all modules in a Mark VIe cabinet, as well as between multiple cabinets in a distributed system. The GE DS3820MSAB also provides the gateway for the controller to communicate with I/O modules via the high-speed backplane bus, managing data mapping, interrupt handling, and diagnostic aggregation. It is a mandatory module for every Mark VIe rack (one per controller chassis), and the GE DS3820MSAB is the heart of the system’s real-time performance.
The GE DS3820EPSA is a power supply module for the GE Mark VIe control system, providing isolated DC power to the backplane and connected I/O modules. The suffix -PSA indicates primary power supply with alarm capability. This module accepts 125VDC or 240VAC input and delivers regulated 24VDC and 5VDC outputs to the Mark VIe rack, with built-in redundancy and diagnostic features. The GE DS3820EPSA includes a front-panel LCD display showing voltage, current, and temperature, plus alarm relays for remote monitoring. It is the standard power supply for Mark VIe turbine control cabinets, replacing legacy Mark IV/V power supplies with higher efficiency and better diagnostics.
The GE DS3828BS3A is a 3-channel servo valve driver module for GE Mark VIe systems, specifically designed for bi-directional current control of torque-motor type servo valves with integrated LVDT/RVDT feedback conditioning. Unlike the standard DS3828BH3A (which is a pure current driver), the DS3828BS3A includes on-board signal conditioning for up to 3 LVDT position feedback channels, enabling closed-loop valve positioning without external signal conditioners. The suffix -S indicates servo with position feedback capability. Each output channel provides ±20mA or ±50mA bi-directional drive, while each feedback channel supports LVDT or RVDT inputs with adjustable excitation frequency (1–10kHz) and amplitude. The GE DS3828BS3A is the preferred choice for high-performance turbine fuel and steam control loops requiring precise valve position confirmation.
