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June 9, 2025 BY
IN ABB

ABB MNS iS design aspects Switchboard construction

Switchboard construction

MNS iS as part of the ABB low voltage switchgear

solution uses the well proven ABB MNS standard

design aspects. MNS aspects described in this

section are fully applicable to MNS iS.

MNS system is a verified low voltage switchgear

design in accordance with IEC 61439 series and IEC 61641.

The consistent application of the modular

principle both in electrical and mechanical design

as well as the use of standardized components

allows its flexible and compact design.

Depending on operating and environmental

conditions different design levels are offered.

Notable system advantages with regard to

design aspects:

• Optimum personal protection

• Design verified by testing

• Arc fault containment acc. criteria 1-7

• High operational reliability and availability

• Earthquake-, vibration- and shock-proof

designs are available

• Maintenance-free busbar construction

• Simple retrofitting procedures

• Compact, space-saving design

• Easy project and detail engineering through

standardised components
June 9, 2025 BY
IN Meggitt

Meggitt vibro-meter VSA004 BNC patch panel with 5 populated slots

KEY FEATURES AND BENEFITS

• From the vibro-meter® product line

• Designed for operation with

VibroSmart® VSV30x + VSB300 monitoring

modules

• VSA003 cable assembly with female BNC

connectors for use with patch panels

• Flexible and durable cables with stranded

centre conductors and braided shields,

terminated with BNC connectors

• VSA004 BNC patch panel

with 10 slots

• Robust all-aluminium construction

APPLICATIONS

• Simplifies installation and wiring of a

VibroSmart® system when signal sharing of

buffered “raw” outputs via front-panel BNC

connectors is required

• Vibration and/or combustion monitoring

• Machinery protection and/or

condition monitorin
June 9, 2025 BY
IN Meggitt

Meggitt vibro-meter VMS830-2 vibration monitor

KEY FEATURES AND BENEFITS

• From the vibro-meter® product line

• Two measurement channels

(independently configurable)

• Measurement ranges:

Displacement:

 100, 200 or 500 μm PEAK

Velocity:

 10, 20 or 50 mm/s RMS

• Frequency range: 3 to 1000 Hz

• Temperature range: 0 to 50°C

• One 0 or 4 to 20 mA current loop output and

one “Raw” voltage output per channel

• Two alarms and three relays per channel

• Front-panel displays

• Robust steel housing with lockable

hinged door

• Protection rating: IP66

• Compatible with industry-standard

velocity sensors

APPLICATIONS

• Vibration measurement chains for machinery

protection and/or condition monitoring

• Vibration monitoring in accordance with

ISO 10816

• General-purpose vibration monitoring and

protection for stand-alone machines in harsh

industrial environments
June 9, 2025 BY
IN Meggitt

Meggitt VibroSmart® VSV301 + VSB300 monitoring module Different versions

Different versions of the VSV30x module

Two different versions of VibroSmart VSV30x

monitoring module are available: the VSV301 and

the VSV300.

• For the VSV301, the dynamic channel buffered

outputs are buffered (output-to-input ratio of 1:1)

and a VSA301 buffered output amplifier is only

required for signal transmission over long

distances (up to 500 m).

• For the VSV300, the dynamic channel buffered

outputs are attenuated (output-to-input ratio of

1:10) and require a VSA301 buffered output

amplifier to make the “raw” sensor signals

available at their original amplitude.

Apart from the transfer ratio (dynamic channel

buffered outputs described above) and

measurement phase accuracy (see Buffered

outputs – dynamic channels on page 9), and

maximum operating temperature

(see Environmental on page 11), the VSV301 and

VSV300 are the same, and both use the same

VSB300 terminal base
June 9, 2025 BY
IN Meggitt

Meggitt VibroSmart® VSV301 + VSB300 monitoring module Description

VibroSmart distributed monitoring system

A VibroSmart® distributed monitoring system

(DMS) is a network of small and economical

modules providing measurement,

communications or other functions that are

connected together in distributed, networked

measurement blocks in order to provide the

functionality normally offered by rack-based

machinery monitoring systems. A VibroSmart

system consists of one or more measurement

blocks, each containing up to sixteen VibroSmart

modules, a power supply and an optional host

computer running the VibroSight software.

A measurement block is a logical grouping of

VibroSmart modules that allows data such as

tachometer, trigger and alarm information to be

shared, for example, in order to monitor the same

machine. Measurement blocks are configured

using the VibroSight® software.

Note: A VibroSmart system is limited to a

maximum of sixteen VSV30x modules per

measurement block and a maximum of eight

measurement blocks without VibroSmart VSN010

real-time Ethernet switches. However, if each

measurement block contains a VSN010, then a

higher number of measurement blocks can be

achieved, limited only by overall system

performance (network traffic, VibroSight

computer configuration and so on).
June 9, 2025 BY
IN Meggitt

Meggitt VibroSmart® VSV301 + VSB300 monitoring module

KEY FEATURES AND BENEFITS

• VibroSight® compatible hardware from the

vibro-meter® product line

• 2 individually configurable dynamic input

channels with up to 19 kHz bandwidth

• 1 auxiliary input channel configurable as either

a tachometer or a DC input

• Synchronous sampling of input channels

• Up to 20 configurable processed outputs per

module

• Spectrum analyzer (FFT) up to 1600 lines

every 100 ms

• Up to 4 alarms per processed output, with

hysteresis and time delay

• AND, OR and majority voting logic functions for

the combination of alarm and status

information

• VibroSmart® security (module lock)

• Redundant communications and redundant

power supply inputs to improve availability

• Analog outputs: 2 local outputs configurable

as 4-20 mA or ±5 V

• Discrete outputs: 2 local relays

• Real-time Ethernet communications

• Live insertion and removal of modules (hotswappable)

with automatic reconfiguration

• Fully software configurable

• Robust enclosures with DIN rail mounting

APPLICATIONS

• Vibration and/or combustion monitoring

• Machinery protection and/or

condition monitoring

• Conforms to IEC 61850-3 requirements for

power plant and utility applications
June 9, 2025 BY
IN Meggitt

Meggitt VibroSmart® VSV301 + VSB300 monitoring module Different versions

Different versions of the VSV30x module

Two different versions of VibroSmart VSV30x

monitoring module are available: the VSV301 and

the VSV300.

• For the VSV301, the dynamic channel buffered

outputs are buffered (output-to-input ratio of 1:1)

and a VSA301 buffered output amplifier is only

required for signal transmission over long

distances (up to 500 m).

• For the VSV300, the dynamic channel buffered

outputs are attenuated (output-to-input ratio of

1:10) and require a VSA301 buffered output

amplifier to make the “raw” sensor signals

available at their original amplitude.

Apart from the transfer ratio (dynamic channel

buffered outputs described above) and

measurement phase accuracy (see Buffered

outputs – dynamic channels on page 9), and

maximum operating temperature

(see Environmental on page 11), the VSV301 and

VSV300 are the same, and both use the same

VSB300 terminal base
June 9, 2025 BY
IN Meggitt

Meggitt VibroSmart® VSV301 + VSB300 monitoring module

KEY FEATURES AND BENEFITS

• VibroSight® compatible hardware from the

vibro-meter® product line

• 2 individually configurable dynamic input

channels with up to 19 kHz bandwidth

• 1 auxiliary input channel configurable as either

a tachometer or a DC input

• Synchronous sampling of input channels

• Up to 20 configurable processed outputs per

module

• Spectrum analyzer (FFT) up to 1600 lines

every 100 ms

• Up to 4 alarms per processed output, with

hysteresis and time delay

• AND, OR and majority voting logic functions for

the combination of alarm and status

information

• VibroSmart® security (module lock)

• Redundant communications and redundant

power supply inputs to improve availability

• Analog outputs: 2 local outputs configurable

as 4-20 mA or ±5 V

• Discrete outputs: 2 local relays

• Real-time Ethernet communications

• Live insertion and removal of modules (hotswappable)

with automatic reconfiguration

• Fully software configurable

• Robust enclosures with DIN rail mounting
June 9, 2025 BY
IN GE

Fanuc IC670MDL331 Field Control I/O Module

The IC670MDL331 is a field control I/O module manufactured by GE Fanuc. The module is a discrete output module with eight (8) channels in four (4) groups of two (2) channels each. It provides an output voltage range of 85-132 VAC, a nominal output of 120 VAC, and a maximum output current of 2 A per channel.The module has a backplane current consumption of 154 mA.

About the IC670MDL331

This IC670MDL331 is manufactured by GE Fanuc and is part of the Field Control family. It is an I/O module, specifically, a discrete output module with eight (8) output channels divided into four (4) with two (2) channels each. It provides an output voltage of 85-132 VAC, 47-63 Hz, and a nominal output level of 120 VAC.Each channel of the module is designed to provide a maximum output current of 2 amps, making the module compatible with inductive loads.

Although the IC670MDL331 is rated for 2 A per channel, the maximum output per group is limited to a maximum of 2 A. Additionally, the maximum output per module is limited to 6A – 8 A. The module is equipped with LED status indicators, such as Logic Side Indicators, describing the on and off status of each channel, and Fuse OK LEDs, indicating the status of the fuses mounted inside each channel group. status of the fuses installed inside each channel group.

The IC670MDL331 is used in conjunction with a Bus Interface Unit (BIU). This BIU sends individual channel status to a host controller that resides on a protocol supported by the BIU. In addition, the controller can access the diagnostic status of the IC670MDL331 through the BIU.
June 9, 2025 BY
IN GE

Fanuc Discrete Input Module IC670MDL640 24VDC Positive/Negative Input Module

Power Sources

The module receives power from the Field Processor to run its own 5–volt logic. An external

24VDC supply is needed to power the input devices.

LEDs

Individual LEDs (logic side), visible through the transparent portion of the module top,

indicate the on/off status of each input. The PWR LED is on when field and backplane power

are present.

Host Interface

Intelligent processing for this module is performed by the Bus Interface Unit or elsewhere in

the system. This includes configuring features such as input defaults and fault reporting. The

module has 16 bits (two bytes) of discrete input data. A Bus Interface Unit is required to

provide this input data to the host and/or local processor.

Module Operation

A network of resistors and capacitors establishes input thresholds and provides input filtering.

Optoisolators provide isolation between the field inputs and the module’s logic components.

Data from all 16 inputs is placed into a data buffer. The module’s circuit LEDs show the

current states of the 16 inputs in this data buffer.

Parallel–to–seri al converters change input data from the data buffer into the serial format

needed by the Bus Interface Unit.

After checking the Board ID and verifying that the module is receiving appropriate logic power

from the Bus Interface Unit (which is reflected by the state of the module’s Power LED), the Bus

Interface Module then reads the filtered, converted input data.

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