Month: December 2025

GE IS420YAICS1B   IS220PPRFH1A  Analog Input/Output (I/O) Pack Module

The GE IS420YAICS1B is a high-performance analog input/output (I/O) pack module engineered for GE’s Mark VIe Speedtronic Turbine Control System, serving as a critical interface between field sensors, actuators, and the central controller in industrial automation.

Designed to process both analog inputs (e.g., temperature, pressure) and outputs (e.g., valve position commands), this module ensures precise data conversion and real-time communication, making it indispensable for gas turbines, steam turbines, and rotating machinery in power generation, oil and gas, and heavy manufacturing.

As part of the Mark VIe distributed architecture, the GE IS420YAICS1B features 16 analog input channels (4–20 mA, 0–10 VDC) and 4 analog output channels (4–20 mA), with 1500 Vrms galvanic isolation between channels to eliminate electrical interference.

Its 32-bit microprocessor executes signal conditioning—including filtering and linearization—at sub-millisecond speeds, ensuring accurate data for control loops.

The module’s compact 3U VME form factor (228.6 mm × 101.6 mm × 165.1 mm) and rugged construction—triple-layer conformal coating, IP20 enclosure—enable operation in harsh environments (-30°C to +65°C) with high vibration, humidity, and chemical exposure.

IS420YDOAS1B

In automation systems, the GE IS420YAICS1B acts as the bridge between field devices and the Mark VIe controller, translating sensor data into actionable commands for turbine governors, compressor anti-surge valves, and generator excitation systems.

Its dual 100 Mbps Ethernet ports (IONET protocol) support redundant communication, ensuring uninterrupted data flow in safety-critical applications.

Compatibility with IS230TCISH6C terminal boards allows deployment in hazardous locations (Class I, Division 2), adhering to ATEX and IECEx standards.

The GE IS420YAICS1B’s hot-swappable design and front-panel diagnostics (Power, Run, Fault LEDs) simplify maintenance, solidifying its role as a reliable workhorse in mission-critical operations.

Technical Specifications

Parameter Name    Parameter Value

Product Model    GE IS420YAICS1B

Manufacturer    General Electric (GE)

Product Type    Analog Input/Output (I/O) Pack Module

Series    Mark VIe Speedtronic Turbine Control System

Input Channels    16 analog inputs (4–20 mA, 0–10 VDC)

Output Channels    4 analog outputs (4–20 mA)

Isolation    1500 Vrms galvanic isolation (channels to ground)

Communication Interface    2 × 100 Mbps Ethernet (IONET protocol)

Power Supply    24 VDC ±10% (2 A max)

Physical Dimensions    228.6 mm (H) × 101.6 mm (W) × 165.1 mm (D)

Weight    1.2 kg

Operating Temperature    -30°C to +65°C

Humidity    5–95% non-condensing

Mounting Type    3U VME rack mount

The GE IS420YDIAS1B is a 24-channel discrete contact input module of the GE Mark VIeS series.

It is compatible with the GE Distributed Control System (DCS) and is used for the signal interface between the I/O Ethernet network and the discrete input terminal board.

It is commonly found in industrial control scenarios such as thermal power and gas turbines. The following are the core information and technical specifications:

Core parameters and characteristics

Project Details

Model IS420YDIAS1B

Manufacturer GE (General Electric)

Belongs to the series Mark VIeS

Module type: Discrete Contact I/O Module

The input channel features 24 discrete contact inputs, each with a status LED

Input isolation: 1500V, input voltage suppression: 125V DC

The signal processing acquisition board provides two-level signal conditioning and level conversion, including filtering and hysteresis functions

Communication interface: Dual RJ-45 Ethernet interface (for system input), 3-pin power input

Operating temperature: -40℃ to 70℃

Dimensions: 8.26cm (height) ×4.19cm (width) ×12.1cm (depth)

The installation method is compatible with the Mark VIeS system rack and the surface mount process

Core function

Signal acquisition: Receives 24 discrete contact signals from switches, sensors and other devices, and is compatible with multiple voltage level inputs.

Interface conversion: Achieve data interaction between I/O Ethernet networks and discrete input terminal boards, supporting a distributed control architecture.

Diagnostic monitoring: Each channel is equipped with an independent status LED, facilitating the rapid location of channel faults and operational status.

Anti-interference design: 1500V input isolation and 125V DC voltage suppression ensure signal stability and equipment safety in harsh industrial environments.

Typical applications

Compatible with the GE Mark VIeS distributed control system, it is used for equipment status monitoring and signal acquisition in industries such as thermal power, gas/steam turbines, petrochemicals, etc., such as the contact signal access of limit switches and status feedback of fans, pumps, and valves.

DS200DCFBG2BNC   DS200DCFBG1BNC
About the DS200DCFBG2BNC
The DS200DCFBG2BNC is a Power Supply Board designed for GE’s Mark V system.

The Mark V is a version of GE’s Speedtronic gas and steam turbine management system, which has seen continuous development since the late 1960s.
The DS200DCFBG2BNC is a revised version;

the original device for this functionality was the DS200DCFBG2 parent Power Supply Board, which lacks the three significant product revisions found in the DS200DCFBG2BNC.
Connectors: Sends and receives signals via eighteen plug connectors and nine stab connectors.
Stab Connectors: Located in the upper left corner, labeled V1-V3, P1A, P2A, VM1A, VM1B, VB2A, and VM2BA.
Plug Connectors: Located throughout the board, ranging from 2-pin to multi-pin.
Functional Product Number Insights (due to limited manual availability):
DS200 series tag: Indicates normal Mark V Series assembly and domestic original manufacture.

DCFB: Functional product abbreviation.
Normal PCB coating style.
Group 2 Mark V Series product grouping.
B-rated: Primary functional revision.
N-rated: Secondary functional revision.
C-rated: Artwork configuration revision.
Onboard Components:
Seven DIP switches (for selecting AC line voltage and voltage applied to DC bridge/motor voltage feedback VCO circuits).
Five TP test points.
Twelve jumpers.
Three fuses for power supply protection (indicators will light if blown, including two LED lights and one neon indicator).
Various components: seven transformers, oscillating chips, a relay, over fifty resistor network arrays, heat sinks, integrated circuits, capacitors, and resistors.
Resistors include CCR (carbon composite) and metal film materials.

GE IS200VPROH2B IS200VPROH1BEF IS200VPWRH1AHD

IS200VPROH2B

Advanced control algorithms: Utilizes state – of – the – art control algorithms that are highly accurate and responsive.

These algorithms are optimized for power system applications, allowing for precise control of power generation, transmission, and distribution processes.

For example, in a power generation plant, it can precisely control the excitation system of generators to maintain stable voltage levels under varying load conditions.

Reliable protection mechanisms: Incorporates a comprehensive set of protection functions.

The over – current protection can quickly detect abnormal current levels and take appropriate actions to prevent equipment damage.

The differential protection is highly sensitive to internal faults in power transformers and can isolate the faulty section in a timely manner, minimizing the impact on the overall power system.

High – speed communication: Supports high – speed communication protocols, enabling seamless integration with other power system components.

This allows for real – time data exchange and coordinated control. For instance, it can communicate with a central control station in a substation, providing up – to – date information about the power system’s status and receiving control commands instantaneously.

IS200VPROH1BEF

IS210MACCH1AKH

Comprehensive power quality monitoring: Can monitor a wide range of power quality parameters simultaneously.

This includes not only basic parameters like voltage and current but also more complex ones such as harmonic distortion and flicker.

By providing a detailed analysis of power quality, it helps power system operators identify and address issues that could affect the performance of sensitive equipment connected to the grid.

Intelligent control capabilities: The module’s intelligent control algorithms can automatically adjust power system operations based on the monitored data.

For example, if it detects a low power factor in a distribution network, it can automatically switch on or off capacitors to improve the power factor, thereby reducing energy losses and improving the efficiency of the power system.

IS210MACCH1AKH

Remote monitoring and control: With its Ethernet and DNP3 communication capabilities, it enables remote monitoring and control.

Power system operators can access the module’s data and control its functions from a central control room or even a remote location.

This is extremely useful for large – scale power systems spread over a wide geographical area, as it reduces the need for on – site visits for routine monitoring and maintenance.

IS200VPWRH1AHD

High – efficiency power conversion: Achieves high power conversion efficiency, which is crucial for reducing power losses in the power system.

The high – efficiency design not only saves energy but also reduces heat generation, which in turn improves the reliability and lifespan of the power supply module.

In a large – scale data center’s power system, where multiple power supply modules are used, the high – efficiency of this module can lead to significant energy savings over time.

Robust protection features: The multiple protection mechanisms, including over – voltage, over – current, and short – circuit protection, provide reliable protection for the connected power system components.

In case of a power supply anomaly, these protection features can quickly isolate the problem and prevent damage to other modules in the power system.

For example, if a short – circuit occurs in a control module, the over – current protection in the IS200VPWRH1AHD will trip the circuit, protecting both the power supply module and the faulty control module from further damage.

Redundancy support: The ability to support redundant power supply configurations enhances the reliability of the power system.

In critical power applications, such as in hospitals or industrial plants where continuous power supply is essential, redundant power supply modules can be installed.

If one module fails, the other can immediately take over the power supply function, ensuring uninterrupted operation of the power system.

VMIC VMIVME-5565-110000 Reflective Memory Node Card

Features:

2.12 Gbaud Serial Connection Speed

Dynamic Packet Sizes from 4 to 64 Bytes

Interrupt Transfers Support for any Node

128 or 256 MB On-Board SRAM

The GE Fanuc / VMIC VMIVME-5565 Reflective Memory Node Card is an optical ring-based, ultra high-speed shared memory network solution.

It allows a distributed network to share real-time data at a deterministic rate, regardless of bus structures and operating systems.

It is centered on an innovative and efficiently designed hardware platform that is easy to use, provides for greater distance between nodes, high noise immunity, optional node bypass, and no software overhead.

Just read and write to the onboard memory and the Reflective Memory node controller does the rest.

VMIVME-5565-11000 is a VME bus Reflective Memory node card from GE (formerly VMIC/GE Fanuc). Its core is used for low-latency data sharing in distributed real-time systems and supports fiber ring/star topologies.

It is commonly found in scenarios such as industrial control, aerospace, and test and measurement. The following are the core information and key parameters:

Core positioning and functions

Full name of the product: GE VMIVME-5565-11000 VME Reflective Memory Node Card (11000 is the configuration code, corresponding to the standard optical fiber interface and 128MB memory).

Core value: Achieve “real-time mirroring” of data among multiple nodes, software transparency and low latency (microsecond level), no need for complex protocol stacks, suitable for distributed control/simulation systems with high requirements for determinism and synchronization.

Typical applications: Gas/steam turbine control (for Mark VIe), substation automation, real-time simulation in aerospace, distributed test platform.

Key parameters and specifications

Project parameters/descriptions

The bus type is VME64. compatible with 32/64-bit and 33/66 MHz bus timing

Memory configuration: 128MB SDRAM (64MB is optional, corresponding to different configuration codes)

The optical fiber interface is available in single or multi-mode, with dual optical fiber ports (supporting redundancy)

The maximum non-redundancy transmission performance is 170 Mbyte/s (64 byte packets), and the maximum redundancy is 87 Mbyte/s

The maximum number of nodes is 256. supporting ring/star topologies

The connection distance for multimode optical fibers is ≤300m, and for single-mode optical fibers, it is ≤10km

The working environment is 0-55°C, meeting industrial-grade seismic and electromagnetic interference resistance standards

The typical power consumption is approximately 15W, powered by VME bus (+5V/+12V).

Key points for installation and integration

Bus adaptation: It is necessary to insert into a chassis slot that complies with the VME64 standard and verify the compatibility of the bus width (32/64 bits) and frequency (33/66 MHz).

Optical fiber connection: Redundant configuration requires a dual-fiber ring network, and the node sequence and port transceiver direction need to match the topology design.

Software support: Compatible with VxWorks, Linux, Windows and other systems, providing API and drivers, supporting interrupt triggering and DMA data transmission.

Replacement and compatibility: Interoperable with VMIPCI-5565/VMIPMC-5565 optical fibers of the same series. VME and PCI/PMC only differ in the bus interface, while the reflection memory protocol is the same.

369-HI-0-M-0-E-0-E By GE Multilin Motor Management Relay

Technical Specifications

Model Number: 369-HI-0-M-0-E-0-E

Manufacturer: GE Multilin

Series: 369 Motor Management

Features: Metering, Modbus/TCP Interface, Enhanced Diagnostics and Faceplate

Software: Enervista 369

Overvoltage Category: II

Power Supply: 50-300 VDC / 60-265 VAC

IP Rating: IP50X

Humidity: Non-Condensing, Up to 95%

Diagnostics: Enhanced

Storage Temperature Range: 5°C to 80°C

Operational Temperature Range: 5°C to 60°C

Frequently Asked Questions

What kind of overload curves are included on the 369-HI-0-M-0-E-0-E?

The 369-HI-0-M-0-E-0-E uses fifteen standard curves and the FlexCurve custom curve.

What makes the 369 series unique?

Units like the 369-HI-0-M-0-E-0-E have the ability to learn and adapt to individual parameters to better suit that motor system.

369-HI-0-M-0-E-0-E

Internal Review

Motor Management Relay, 12 RTD Inputs, Metering Package, Enhanced Diagnostic, 50 – 300 Volt DC, 60 – 265 Volt AC

Designed for medium voltage motors, the 369 delivers simple setup configuration through the use of the Motor Settings Auto-Configurator, advanced graphical diagnostics with the Motor Health Report, comprehensive communications with multiple communication options and complete traceability of all setting changes with the Security Setting Change History Report, providing unparalleled motor protection for medium sized AC motors.

369-HI-0-M-0-E-0-E

369-HI-0-M-0-0-E is a motor management relay that is manufactured by GE Multilin.    In order to improve the protective capabilities of the relay, the user may adjust the motor inrush current, the cooling rates, and/or the acceleration time.

About the 369-HI-0-M-0-0-E

369-HI-0-M-0-0-E is a motor management relay that is manufactured by GE Multilin.

The control power is 50-300 VDC / 40-265 VAC.

There are no optional RTD inputs on this relay.

This unit includes an optional metering package.

There is no optional fiber optic port.

This relay provides protection and monitoring for 3-phase motors and their associated systems.

The 369 can ‘learn’ individual motor parameters and adapt itself to individual applications.

In order to improve the protective capabilities of the relay, the user may adjust the motor inrush current, the cooling rates, and/or the acceleration time.

GE VMIVME-017807-414001 350-0001007807-414001 D

Powerful computing performance:

The module is equipped with a high – performance embedded processor that can handle complex computational tasks in real – time. This enables it to process large volumes of data from multiple sensors simultaneously and execute control algorithms quickly.

For example, in a high – speed manufacturing line, it can analyze sensor data related to product quality and machine performance in real – time and make instant adjustments to production parameters, ensuring high – quality output and efficient production.

Flexible VMEbus connectivity: Its multiple VMEbus – compliant I/O interfaces provide seamless integration with a wide range of VME – based peripherals.

This flexibility allows for the customization of industrial control systems according to specific application requirements. Whether it’s connecting to digital I/O modules for basic control functions or analog I/O modules for more precise process control, the VMIVME – 017807 – 414001 350 – 0001007807 – 414001 D can easily adapt to different system configurations.

Robust environmental adaptability:

Designed to withstand harsh industrial environments, this module has a wide operating temperature range and high resistance to vibration, shock, and EMI. In an oil and gas field, where equipment is exposed to extreme temperatures, strong vibrations from machinery, and high levels of electromagnetic interference, the VMIVME – 017807 – 414001 350 – 0001007807 – 414001 D can operate reliably, minimizing downtime and maintenance costs.

Efficient power management:

With its efficient power consumption design and built – in power regulation, the module ensures stable operation while reducing energy consumption. This is not only beneficial for cost – savings but also for environmental sustainability in industrial settings. In large – scale industrial plants with numerous computing and control modules, the cumulative power savings from using energy – efficient modules like this can be significant.

On – board diagnostic capabilities:

The integrated diagnostic features and LED indicators make it easy to monitor the module’s health and quickly identify and resolve any issues. In a power generation plant, where continuous operation is critical, the diagnostic system can detect potential hardware problems in advance, allowing maintenance personnel to take proactive measures and prevent system failures.

Parameter table

Parameter name    Parameter value

Product model    VMIVME – 017807 – 414001 350 – 0001007807 – 414001 D

Manufacturer    General Electric (GE)

Product category    Industrial computing module (belonging to VMEbus product family)

Dimensions (approx.)    Compact form factor, conforming to VMEbus standard sizes for easy integration into VME – based systems. Precise dimensions are provided in the product manual for accurate cabinet or chassis installation

Weight    Lightweight construction, facilitating handling during installation and replacement within industrial control cabinets

Processor type    High – performance embedded processor, optimized for industrial – grade computing tasks. It can handle real – time data processing and control algorithms efficiently

Memory configuration    Sufficient onboard memory, including high – speed SRAM for quick data access during operation and flash memory for non – volatile storage of system configurations and application programs

I/O interfaces    Multiple VMEbus – compliant I/O ports, enabling seamless connection with a variety of VME – based peripherals such as digital I/O modules, analog I/O modules, and communication modules. These interfaces support high – speed data transfer rates for fast and reliable communication within the VME system

Communication capabilities    Supports standard VMEbus communication protocols, which are widely used in industrial automation and control systems. This allows for easy integration with other VME – based devices, such as VME – based controllers, data acquisition units, and display units. It also has the potential to interface with external systems through optional communication modules (e.g., Ethernet or serial communication modules if added via expansion)

Power requirements    Operates on a specific DC voltage (e.g., +5 V DC and +12 V DC), with built – in power regulation and filtering circuitry to ensure stable power supply under various industrial conditions. The module is designed to consume power efficiently to minimize heat generation and energy consumption in the system

Operating temperature range    Engineered to function reliably in a wide temperature range, typically – 20°C to +70°C. This makes it suitable for use in harsh industrial environments, including outdoor installations, factories with high – temperature processes, and cold storage facilities

Environmental resistance    High resistance to vibration, shock, and electromagnetic interference (EMI). The module’s robust construction and shielding protect it from the mechanical stresse

GE IS420YDOAS1B Discrete Output I/O Pack

Overview

The GE IS420YDOAS1B is a high-performance Discrete Output I/O Pack designed for industrial automation systems.

It integrates directly with the GE Mark VIe Control System, providing reliable electrical interface between Ethernet-based control networks and discrete output terminal boards.

This module supports 12 discrete outputs and features dual Ethernet ports, diagnostic LEDs, and rugged construction for demanding environments.

IS420YDOAS1B

Technical Specifications

Product Type: Discrete Output I/O Pack

Model Number: IS420YDOAS1B

Manufacturer: General Electric (GE)

System Compatibility: GE Mark VIe Control System

Number of Outputs: 12 discrete outputs

Communication Interface: Dual Ethernet RJ45 connectors

Power Input: Three-pin power connector

Output Connector: DC37-pin connector (connects to terminal board)

IS420YDOAS1B

Diagnostic Indicators:

12 yellow LEDs (output relay status)

1 ATTN LED (system diagnostics; red/green, solid/flashing)

Operating Temperature Range: -40°C to +85°C

Mounting Type: Panel-mounted or rack-mounted

Voltage: 24 VDC

Power Consumption: 5.3 watts (typical)

Ambient Temperature Range: -40°F to +158°F

Input Converter Resolution: 16-bit ADC

Functional Abbreviation: YAIC

this IS420YDOAS1B device was initially manufactured for General Electric’s Mark VIe Turbine Control System Series.  The Mark VIe Turbine Control System Series is self-explanatory, given the fact that it exists:

with a series of set specific applications in the management and control systems of popular and GE-compatible wind, gas, and steam turbine automated drive assemblies

lauded for its existence as one of the very last-developed GE Mark product series to utilize the company’s signature Speedtronic control system technology

not as the originally-manufactured device of its specific Mark VIe or VIeS Series functional role

the IS420YDOAS1 parent Discrete Output I/O Pack Module not making use of this IS420YDOAS1B device’s singular B-rated primary functional product revision

489-P5-LO-A20-E

The 489-P5-LO-A20-E Low Voltage 4-20 mA Analog Output Relay

489-P5-LO-A20-E Technical Specifications

Part Number    489-P5-LO-A20-E

Manufacturer/OEM    GE Multilin / GE Grid Solutions

Series    489 Generator Management Relays

Input Voltage    20-60 VDC or 20-48 VAC

Included Draw Out Case    Draw Out Case Included if Listed On Quotation

Communication Ports Parity    None, Odd, Even

Harsh Environment Coating    Not Available on this Model

High-Set Phase Overcurrent Elements    Trip

IRIG-B Amplitude Modulated    2.5 to 6.0 Vpk-pk at 3:1 signal ratio

Low Forward Power Time Delay    0.2 to 120.0 s in steps of 0.1

Phase Overcurrent Voltage Restraint    Programmable Fixed Characteristic

Pollution Degree    II

Pulse Output Pulse Width    200 to 1000 ms in steps of 1

Tachometer Configurable    Assignable to Digital Inputs 4 to 7

Weight    10 lbs.

About the 489-P5-LO-A20-E

The 489-P5-LO-A20-E is a GE Multilin Relay belonging to GE’s SR family (which also includes the 469 Motor Protection Relay and 735 Feeder Protection Relay)

It is specifically designed for Generator Protection and can be used with both induction and synchronous generators

SR489-P5-LO-A20-E

The unit can operate at 25. 50. or 60 Hz

User Interface and Control

Features a 40-character display for viewing value messages, diagnostics, and setpoints

The front panel includes:

A numeric keypad

Status indicators

Value up and down keys

An RS232 port interface

Control and programming keys (reset, enter, menu, menu up, menu down)

This design allows for control without needing an external computer

Back Panel Connectivity and I/O

The back panel provides:

Twelve RTD inputs (field programmable)

Six output relays

Two RS485 communications ports supporting ModbusRTU or DNP 3.0 protocol (or both) up to 19200 bps

Four VT inputs

Four isolated 4-20 mA analog inputs and outputs

Seven assignable digital inputs

Seven CT inputs for three-phase output/three-phase neutral and ground current sensing

A separate safety and filter ground

All inputs meet SWC, C37.990 EMI, RFI interference immunity standards

IS220PDOAH1A

IS220PDOAH1A Discrete Output Pack

About the IS220PDOAH1A

Characterized as a Discrete Output Pack the IS220PDOAH1A model was designed with interfacing up to two I/O Ethernet networks and other discrete output terminal boards in mind.

One special function of this model is that it can control up to twelve relays as well as accept feedback signals from other terminal boards.

The typical relays that can be used with this model are solid-state relays and electromagnetic relays.

The solid-state relays are used with the TRLYH1B, C, D, and F terminals whereas the electromagnetic relays are used with the TRLYH1E boards. There are also:

multiple processors

status-indicating LEDs

local power supplies for monitoring and sequencing

a high-speed processor with flash and RAM memory

double RJ45 Ethernet connectors

a three-pin power input

a processor board embedded in the IS220PDOAH1A pack

an output enable feature that is used with the IS220PDOAH1A pack

During the application in which power is given to the pack, all of the outputs will be disabled until a number of internal self-tests have been fulfilled.

The enable function can provide paths that are independent of the command which will ensure that the relays are staying dropped out during the initialization and power-up of the pack.

IS220PDOAH1A Discrete Output Pack Standard Hardware

This IS220PDOAH1A Discrete Output Pack device’s special modular I/O Mark VI Series assembly version and domestic original GE manufacture were determined upon analysis of its initial dual-functional IS220 series tag. Some of the other relevant information dictated through this medium include the IS220PDOAH1A Discrete Output Pack’s: