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March 11, 2025 BY
IN Woodward

Woodward 9907-164 Digital Microprocessor Controller

Woodward Unit 9907-164. from 505 Digital Microprocessor Controller for Steam Turbines with Single or Split Range Actuators.

Product Description.

The unit listed here is model 9907-164 and is part of the 505 and 505E microprocessor based governor control units.

These control modules are specifically designed to operate steam turbines, turbine generators and turbo-expander modules.

The 505/505E series was originally developed, produced and manufactured by Woodward.

Woodward is the oldest industrial manufacturer in the United States, founded in 1870. and remains one of the leading industrial companies in the marketplace.

The 9907-164 unit is designed to control a steam turbine by operating a single extraction and/or intake of steam from the turbine.

It utilises the turbine’s staged actuators (either one or both) to actuate the steam inlet valve.

As with any 505 governor module, the unit can be configured in the field by a field operator.

The menu-driven software www.cniacs.com is controlled and changed by an operator control panel integrated into the front of the unit. The panel displays two lines of text with 24 characters per line.

The 9907-164 is equipped with a range of discrete and analogue inputs:16 contact inputs (of which 4 are dedicated and 12 programmable) followed by 6 programmable current inputs, 4 to 20 mA.

Standard features of the 9907-164 include critical speed avoidance, valve limiter, automatic start sequence, and shutdown first-out indicator.

Prepare for an emergency stop when starting an engine, turbine, or other type of prime mover to prevent personal injury from loss of control or overspeed.
March 11, 2025 BY
IN Reliance

Reliance 45C920 115/230 VAC AC Power Module

Product Description.

The 45C920 unit is a power supply module manufactured by Reliance Electric for the Shark XL series.

Reliance Electric’s Shark XL is now a legacy series.

The 45C920 power module is one of three power modules in the Shark XL series.

The other two power modules are models 45C921 and 45C922.

The 45C920 power supply module, along with all other Shark XL power supply modules, is a must-have in a Shark XL rack.

The module has a number of terminals on the faceplate, all of which are individually labelled for connection to the incoming power cord.

The 45C920 power module comes with additional 24 VDC terminals for powering output circuits.

The 45C920 power module is rated for 115/230 VAC.

The 45C920 Power Module will connect to the smallest baseboard connector on the Shark XL rack in which it is installed.

The module is compatible with any Shark XL test tube rack.

On the side of the 45C920 power module, you will find an AC input power jumper and a green jumper below it.

To the left of the green jumper, there is a fuse.

Frequently Asked Questions about the 45C920

What is the output current of the Reliance 45C920?

The 45C920 has an output current of 24 VDC and an input voltage of 115/230 VAC.

What are the features of the 45C920?

The 45C920 has an AC input power jumper, a fuse, a green jumper and terminals to connect the input power cord to the 45C920.

Should there be a power module in each Shark XL rack?

Yes, there should be a power module in every Shark XL rack. Each rack has a slot specifically designed for a power module.
March 11, 2025 BY
IN A-B

A-B 1756-IF4FXOF2F ControlLogix Discrete High-Speed Analog I/O Module

The 1756-IF4FXOF2F is a ControlLogix discrete high-speed analog I/O module.

It has four (4) high speed, sub-millisecond, differential inputs and is compatible with input signals ranging from ± 10V 0…. .10V 0… .5V 0… .20 mA.

It also has two high-speed voltage or current outputs with an output signal range of ± 10V 0…. .20 mA.

About the 1756-IF4FXOF2F

The Allen-Bradley 1756-IF4FXOF2F is an analog combo I/O module.

The module is part of the ControlLogix system and is compatible with the 1756 ControlLogix chassis, which requires the 1756-TBS6H or 1756-TBCH removable terminal block enclosure (RTB).

The module has four sub-millisecond high-speed differential inputs and two high-speed voltage or current outputs.

The module has a display that shows the module’s health and operating status (e.g., calibration mode).

The 1756-IF4FXOF2F has input ranges of +/-10 volts, 0 to 10 volts, 0 to 5 volts, and 0 to 20 milliamps, and displays over-range when the module is out of these ranges.

Overvoltage protection is 30 dcs-sis.com volts DC and 8 volts AC/DC. Its open circuit detection is a positive full scale reading within 1 second.

The module has an output range of +/-10 volts, 0 to 20 milliamps, and short-circuit protection, limiting the electronic current to 21 milliamps or less.

It also has 24-volt DC overvoltage protection and open-circuit detection, but is limited to current outputs only (note that outputs must be set to greater than 0.1 mA).

The 1756-IF4FXOF2F has backplane voltage and current ratings of 375 milliamps (at 5.1 volts DC) and 100 milliamps (at 24 volts DC).

The analog inputs and outputs are rated at -10 to 10 volts and 4 to 20 mA, respectively.

Module power consumption is 4.3 watts with 4.3 watts of voltage dissipation and 4.7 watts of current dissipation.

Thermal dissipation is 14.66 BTU/hr for voltage and 16.02 BTU/hr for current.

Current consumption is 375 mA at 5.1 volts and 100 mA at 24 volts.

It has a scan time update cycle of 300us minutes with sub-millisecond channel scanning and multi-module synchronized sampling.

The Allen-Bradley 1756-IF4FXOF2F is a ControlLogix high-speed analog combo module.
March 11, 2025 BY
IN A-B

A-B 1746-NT8 SLC 500 Thermocouple/Voltage Analog Input Module

About the 1746-NT8

The 1746-NT8 is Allen-Bradley’s SLC 500 thermocouple/voltage analog input module.

It is a chassis-mounted, eight (8) channel module that receives thermocouple/voltage signals and converts them to digital signals for retrieval by any SLC 500 processor.

It has a backplane current rating of 120mA at 5V DC and 70mA at 24V DC for a total backplane power of 2.28W.

The 1746-NT8 uses a delta-sigma signal conversion method and has a digital low-pass filter with selectable programmable filter frequencies.

The normal mode rejection between terminals is greater than 100 dB at 50-60 Hz, and the common mode rejection between input and ground is greater than 100 dB at 50-60 Hz.

The 1746-NT8 module automatically calibrates itself approximately every 2 minutes after power-up.

It provides +/-30V DC and 600W pulses for 1ms input overvoltage protection and 12.5V DC circuit isolation between inputs and chassis ground, and between inputs and backplane, with a test voltage of 500V DC for 1 minute.

The 1746-NT8 has nine green LEDs to indicate channel status and module status.

It uses the 1746-RT34 (RTB) removable terminal block to connect the input devices. The terminal block includes two (2) cold junction compensation (CJC) sensors with an accuracy of +/-1.72 degrees Celsius.

The 1746-NT8 has several selectable input types with a total input impedance greater than 10 M ohms.

Any input device connected to it must have an impedance of less than 100 ohms to meet accuracy requirements.

The 1746-NT8 offers optional open-circuit detection at 1 cycle per channel for an overall input dry-circuit response time of 400 milliseconds.

The functional temperature range of the module is 0 degrees Celsius to 60 degrees Celsius. The functional temperature range of the module is 0 degrees Celsius to 60 degrees Celsius.

The modules are UL and CUL recognized.

1746-NT8 is an analog input module belonging to the SLC 500 product family.

The module is specifically dcs-sis.com designed for thermocouple/millivolt inputs and is compatible with SLC 500 processors such as SLC 5/01. 5/02. 5/03. 5/04. and 5/05. It can be used with SLC fixed or modular hardware categories.

Similar to other analog input modules, the 1746-NT8 uses Sigma-Delta modulation to convert received analog signals to digital values.

The converted data is stored in the module’s local memory and transferred to the CPU to create a data table to store the digitally converted values.

The module can be mounted in a fixed chassis, specifically using the 1746-A2 chassis.

If used with a modular controller, the module can be installed in any slot except slot 0.

Slot 0 is always reserved for controllers or communication adapters such as Remote IO, Data Highway Plus (DH+), and Ethernet communication modules.
March 11, 2025 BY
IN A-B

A-B Rockwell 1783-MX08T Ethernet Switch

Description:

The 1783-MX08T switch is an Allen-Bradley managed Ethernet switch.

About the 1783-MX08T

The 1783-MX08T Switch, manufactured by Allen-Bradley, is a Stratix 8000 modular managed Ethernet switch.

The managed switch has up to eight ports and is powered from 24 to 48 V DC.

The 1783-MX08T switch provides an optimized solution for both IT and manufacturing environments.

The Allen-Bradley Stratix 8000 Managed Modular Switch is jointly manufactured by Rockwell Automation and Cisco.

The 1783-MX08T switch features a user-friendly interface that ensures users have an easy installation process and a simple control environment.

In addition, the 1783-MX08T switch supports the RXLogix 5000 operating environment as well as diagnostic panels to further simplify use.

The 1783-MX08T switch is designed to provide simple and secure integration with the corporate network.

 This is accomplished through the CIP interface, which allows integration with enterprise-connected devices.

The Allen-Bradley 1783-MX08T switch measures 112 mm in length, 97 mm in width, and 147 mm in height.

The recommended ambient operating temperature range is -40 to 60 degrees Celsius. 

The ambient storage temperature range is -40 to 85 degrees Celsius and the relative humidity is rated at 5% to 95% non-condensing.

The 1783-MX08T switch has an open housing and supports an inrush current rating of 2 amps.

The unit utilizes a 10/100 Base T Cooper Ethernet port. The supported memory type is CompactFlash memory.
March 11, 2025 BY
IN A-B

A-B 1783-MX08F Stratix8000 Switch with 8 Ports

DESCRIPTION

The 1783-MX08F Switch is an Allen-Bradley network switch. The module is an 8-port switch with 100 Base-F fiber optic Ethernet ports.

About the 1783-MX08F

The 1783-MX08F Switch, manufactured by Allen-Bradley, is an 8-port Stratix 8000 switch.

The 1783-MX08F switch has a supply voltage of 24 to 48 volts DC and a power dissipation of 10.1 watts.

The Allen-Bradley Stratix 8000 switch has an open enclosure and uses 100 Base-F fiber optic Ethernet ports.

Modules are dcs-sis.com of the CompactFlash memory type and are rated at 2 amps inrush current.

The 1783-MX08F switch is 112 mm long, 97 mm wide, and 147 mm high.

To ensure optimal performance, it is recommended that users ensure that the ambient operating temperature range is between -40 degrees Celsius and 60 degrees Celsius.

The 1783-MX08F switch has a relative humidity range of 5% to 95% (non-condensing) and a maximum operating vibration of 2 G at 10 to 500 Hz.

It is rated for 20 G of operating shock and 30 G of non-operating shock.

The Allen-Bradley 1783-MX08F switch supports fiber optic Ethernet data rates of 100 Mbps.

The 1783-MX08F switch is optimized for IT and control/manufacturing control environments.

This makes the 1783-MX08F switch a high-performance managed Ethernet switch.

The 1783-MX08F Switch combines Cisco technology with innovative Allen-Bradley/Rockwell Automaton technology for high performance.

The 1783-MX08F switch is easy to set up and enables comprehensive diagnostic information within the specified Allen-Bradley/Rockwell Automation integrated architecture.

The 1783-MX08F switch provides users with the benefits of a CIP interface with predefined Logix tags and advanced configuration screens.
March 11, 2025 BY
IN A-B

A-B 1771-IR PLC5 Resistance Temperature Detector (RTD) Input Module

DESCRIPTION

The Allen-Bradley 1771-IR is a PLC5 resistance temperature detector (RTD) input module.

The module has six (6) input channels and is compatible with copper and platinum RTD types.

It is designed to support temperature measurements in Celsius and Fahrenheit units of measurement. It has a scan time of 50 milliseconds for six channels.

About the 1771-IR

The Allen-Bradley 1771-IR is a PLC-5 RTD input with a natural binary BDC supported data format for actual temperature and ohmic readings.

The unit does not require any type of external power supply. It consists of six three-wire RTD inputs.

The device’s channel update resolution introduces a combination of 50ms/6 channels and 16 bits + sign (1.0 degrees Celsius/1.0 degrees Fahrenheit/bit).

The 1771-IR input module has a voltage range of 100 ohms platinum and 10 ohms other. It has a backplane current range of 800mA.

The DC signal delay is 10ms in the on state, 50ms in the off state, and 45(+/- 15) ms in the AC signal delay in the on state.

These input modules have a lifetime of up to 100 million cycles as they meet voltage requirements of 10-276V AC.

The 1771-IR also helps protect your system by providing appropriate troubleshooting assistance. Module indicators show the status of smart inputs or dcs-sis.com outputs to help you troubleshoot your equipment.

The 1771-IR has an intelligent hybrid interface for connecting on/off devices such as switches, motor starters, pushbuttons, indicators and signalers.

This unique feature helps save on system engineering and spare parts as well as inventory and training costs.

The front panel of each AC discrete input/output module consists of bright status indicators.

The 1771-IR supports both Celsius and Fahrenheit measurement units. The platinum sensor has a temperature measurement range of -200 to +870 degrees Celsius and the copper sensor has a temperature measurement range of -200 to +260 degrees Celsius.

It has a resistance range of 1.00 to 600.00 ohms and a resolution of 0.1 degrees Celsius or 0.1 degrees Fahrenheit when used with a platinum sensor and 0.3 degrees Celsius or 0.5 degrees Fahrenheit.

The 1771-IR draws 950 mA at 5VDC from the backplane, consumes 4.75 watts, and has a thermal dissipation of 16.2 BTU/hour.

It is capable of open wire detection.
March 11, 2025 BY
IN GE

VMIVME-3113A Analog-Digital Converter Board with Built-in Tests

Function

64 differential or single-ended inputs

Starts in auto-scan mode – no software initialization required

Continuously digitizes input channels and stores results in dedicated channel dual-port registers (auto-scan mode)

Jumper-selectable scan from 2 to 64 channels

Supports real-time and off-line built-in testing

Five operating and test modes

-Auto Scan Mode (Gain = 1)

– Random polling mode

-Random interrupt mode

-Scan polling mode

-Scan interrupt mode

VME bus interrupts can be programmed to interrupt at the completion of a single A/D conversion or at the completion of a 2- to 64-channel sweep

User programmable interval timer supports periodic scanning of all channels

Jumper programmable gains of 1. 10. 100. 200. and 500

Selectable A/D ranges of 0 to +10V, +5V and +10V

Low and high inputs: +10my to +10V

Selectable low-pass filter (VMlVME-3113A for better high-frequency rejection)

Overvoltage protection input

5 x 1060 input impedance

33 kHz conversion rate

Selectable output codes: binary, offset binary, binary with sign extension

Applications

-Factory automation dcs-sis.com and instrumentation – Process control

-Laboratory instrumentation

-Machine monitoring

– Data acquisition

Features

Description: This product is designed to support 64 channels of differential or single-ended wide range (±10mV to ±10V) analog inputs.

The board supports the following modes of operation:

Auto Scan

Random Polling

Random Interrupt

Scan Polling

Scan Interrupt

Auto Scan with BIT
March 11, 2025 BY
IN GE

DS200DCFBG1BJB Circuit Board Assembly

Hardware Tips and Specifications

The DS200DCFBG1BJB is a large rectangular board with a large number of surface mounted components. These include seven 4-position DIP switch devices and twelve configurable jumpers.

Six DIP switches are located together on one side of the board. These are used to scale or change many different inputs.

For example, switch number 4 (SW4) is used to regulate the voltage applied to the VCO output bridge circuit.

The board also has a neon light to indicate a blown fuse in the 115 VAC line and two LEDs to indicate blown fuses in the +24 VDC line and -24 VDC line.

Several specific integrated circuits of note are provided on the substrate of this DS200DCFBG1BJB product.

These integrated circuits, like dcs-sis.com many of the individual hardware components available in the assembly of this DS200DCFBG1BJB product, are accompanied by their own set of factory-printed nomenclature.

Each circuit contributes to a specific DS200DCFBG1BJB board and to the more robust Mark V Series automatic driver assembly features.

The integrated circuits in this DS200DCFBG1BJB power board assembly include:

Voltage and current feedback VCO circuits

Motor voltage attenuation circuitry

AC line magnetism and zero crossing circuits

Contactor drive circuitry

Field/armature SCR ignition circuitry

As noted above, each of the previously named circuits in this DS200DCFBG1BJB printed circuit board assembly was created by applying its specific function

applied to the larger DS200DCFBG1BJB board and Mark V series automatic drive assembly.

The various circuits of this DS200DCFBG1BJB product often have critical applications for the SDCC and LDCC boards in the Mark V series.

Both of these General Electric printed circuit boards are also available today from our inventory of new and refurbished circuit board products.

Other DS200DCFBG1BJB board components include test points, I/O connectors (1PL-1 through 1PL-40. 2PL-1 through 2PL-9. 4PL-1 through 4PL-5 and 5PL-1 through 5PL-26).

as well as fuses, resistor networks and resistors, capacitors, transistors, heat sinks, transformers, and relays. The board has test points for checking voltage signals and fuses for protection.
March 11, 2025 BY
IN GE

IC200MDL940 16-Point Relay Output Module

The module can be used to energize output devices such as relay coils, solenoid-driven instruments, indicator lights, and other instruments.

It has no snubber circuits or internal protective fuses, however, the user can install external protection accordingly.

The module does not display output leakage currents because the contact outputs are open-circuit when not activated.

In addition, each output channel has a response time of 10 ms and is dedicated to open-to-closed and proximity-to-open contact switching.

The maximum switching frequency of each output contact is 20 cycles per minute when used with inductive loads. Each output channel is equipped with a separate channel status indicator to characterize the operating status of each channel.

This IC200MDL940 has a maximum backplane current consumption of 490mA and requires a rating of 0 to 125VDC,

5/24/125VDC and 0 to 265VAC (47 to 63Hz) nominal external power supplies with a nominal supply voltage of 120/240VAC.

The IC200MDL940 module is a VersaMax PLC relay output module manufactured by GE Fanuc. It is equipped with 16 output points.

The module has A-type contact outputs and is compatible for use in Class 1 Division 2 rated environments over a temperature range of 0 to 60 degrees Celsius.

It complies with different environmental and industrial standards, including CE and cULus standards. These individual points are isolated from each other.

The IC200MDL940 module is rated for 24 volts DC and 120 to 240 volts AC. It is rated at 2 amps.

The front of the module has a lock/unlock lever. Each point has an LED to indicate activity on that point.

When the CPU logic bit is set to 1. the contacts in the module are closed.

The GE Fanuc VersaMax IC200MDL940 module is powered through the backplane. Loads on the module should be powered through an external power supply.

An additional CPU is required to handle the logic operations of the module. The logic and frame ground isolation ratings for the user input module are 250 volts AC continuous, 1500 volts AC for time periods up to 60 seconds.

The output voltage drop is 0.3 V maximum. The IC200MDL940 module has a load current of 10 mA per point.

The relay used in the module is a fixed coil relay with a movable arm. The contact type is made of high quality silver alloy.

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