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Each industry has its own requirements for industrial computing, and often a standard solution does not meet a customer’s needs. MicroMax, as a manufacturer of industrial computers, takes a customized approach to each client. Our engineering group can design one of our M-Max systems to fit the specific technical requirements of the customer.

To be able to use a high performance processor when passive cooling and a small enclosure are mandatory, we have developed the technology to dissipate excessive heat from computer boards and other electronic devices working in high vibration environments. This Patent-Pending design enables the removal of heat from electronic components housed on a circuit board vibroinsulated from an enclosure.

This technology is the basis for our unsurpassed M-Max 800 PR, a fully sealed 2.26Ghz Intel Core 2 Duo CPU system which operates at ambient temperatures of -40 to +55 °C, and is both highly vibration and shock resistant.

There are currently four different M-Max base models: M-Max 600 mk.3, M-Max 700 ST mk.2, M-Max 700 PR mk.2 and M-Max 800 PR.

Overview of M-Max’s Customized Portfolio

No Limits MicroMax M-Max Customized Solutions

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Photo 1 is an M-Max 800 PR. This model was designed in accordance with customer requirements for use in shipboard navigational systems. This IP65 rated unit operates at ambient temperatures from -40 to +55 °C and is highly vibration and shock resistant. This version, the most powerful computer in the M-Max product line, is equipped with a CPU Intel Core 2 Duo SP9300 (2.26 GHz) processor, Intel GS45 Express chipset with integrated video controller Intel GMA4500 and delivers excellent performance and graphics capabilities. For this system to be operational in a very small space and without any active cooling, MicroMax developed the technology to dissipate excessive heat from computer boards and has applied for a Patent for this invention. Photo 2 is another modification of the M-Max 800 PR also used in a shipboard navigational system. A number of engineering solutions as well as utilization of different components have allowed us to reduce the overall cost of this system while fully retaining functionality of this navigational computer and also increasing the RAM capacity to 2GB. The most noticeable change on the photo are connectors, the remaining differences are internal. This model is also built by utilizing MicroMax’s Patent-Pending technology to dissipate excessive heat from computer boards.

Photo 3 shows the M-Max 700 fitted with IP67 rated connectors. It is possible to use both standard as well as protected connectors, however the overall IP66 rating could be achieved only when using the latter.

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Photo 4 shows the M-Max 700/AR, designed for installation on locomotives and other railway vehicles to record signals of an Automatic Block Signaling System (ALS) and Tonal Rail Circuits Interlocking system (ABT) directly from a sensor (inductive coil) mounted under a pilot of a locomotive, location-bounded by GPS / GLONASS. This unit works together with the ABT system based on Tonal Rail Circuits Type 3. The encoding of continuous ALS signals might be a pulse-numeric modulation as well as a frequency modulation for ALSN and a phase-difference modulation for ALS-EN. Along with the signal, the system is automatically recording all other harmonics within the operational bands of ABT and ALS. M-Max 700/AR records the location of any failure / malfunctions of ALS and ABT as well as enabling prevention of possible future failures by analyzing statistical information kept by the system. Key Features: Number of Recording Channels – 1 (galvanically isolated) Continuous Recording Time – up to 100 hours Frequency – 0…1kHz Positioning Accuracy – 15 m (up to 300 km/h speed) Information retrieval – automatically to an external USB Flash Drive Power – 36…72 V DC (isolated)

Photo 5. This is a CAN-Recorder (M-Max 700/CR mk.3) developed to collect and record railway automation and remote control data received through CAN interface. This CAN-Recorder is a part of Computer-based Automatic Block System (ABTC-M). Key Features: Number of CAN networks – 2 Additional Interface – USB Power – 9…40 V DC

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Photo 6. The M-Max 700/AR-15 is another computer designed for railway systems. It is installed at a railroad station to record Tonal Rail Circuits Interlocking signals (ABT) as well as signals of Automatic Block Signaling System (ALS) directly from generating equipment (oscillator). The unit is used together with ABT system utilizing Tonal Rail Circuits Type 3. The encoding of continuous ALS signals might be a pulse-numeric modulation as well as a frequency modulation for ALSN and a phase-difference modulation for ALS-EN Along

with the signal, the system is automatically recording all other harmonics within the operational bands of ABT and ALS. Key Features: Recording Channels – 15 (galvanically isolated) Recording Time – up to 24 hours Frequency – 0…1 kHz Power – 18…75 V DC (isolated) Photo 7. М-Мах 700/ARM mk.4, another railroad bound system to be a part of ABTC-M as a system unit workstation for a railroad station master (ARM-DSP) and electrical engineer (ARM-SHN) to provide visual control and diagnostics of equipment between stations as well as the ability to enter various control commands from a keyboard and / or manipulator. Key Features: CAN interfaces – 2 Ethernet interfaces – 1 RS232 – 4 (galvanically isolated) Power – 9…40 V DC

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Photo 8. Gateway-CAN-MVB2 is used to translate signals between Russian Rail Road protocols used by locomotive’s safety systems such as CLUB-U (integrated onboard safety system), BLOK or similar devices and systems utilizing Multifunction Vehicle Bus (MVB) protocol. Key Features: MVB interfaces – 2 CAN interfaces – up to 4 RS232 – 2 Power – 18…75 V DC (isolated) Fast transient / Surge – EN 61000-4-4,

± 4 kV, perf. Criteria A; EN 61000-4-5, ± 4kV, perf. Criteria A

This gateway is designed to be used on locomotives, high speed trains such as SAPSAN (Velaro RUS EVS), Desiro-Rus (Lastochka / Swallow) and other railroad vehicles.

Photo 9. Gateway-AIRBUS-CLUB is another system designed for installation on locomotives and other railroad vehicles. This device is used to provide an intellectual link between CLUB-U and the on-board segment of RBC (AIRBUS, project ITARUS-ATC). In addition to providing the link between systems, Gateway fulfills functional security requirements as well as provides the initial processing of command’s packets from RBC and generates a stream of data for CLUB-U which is then transmitted via CAN interface.

Key Features: Profibus Channels – 2 CAN interfaces – 2 Power – 18…75 V DC (isolated) Fast transient / Surge – EN 61000-4-4, ± 4 kV, perf. Criteria A;

EN 61000-4-5, ± 4kV, perf. Criteria A

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Photo 10. M-Max 400 is a specialized gateway CAN-RS computer designed to work in railway automation and remote control systems. This gateway computer provides the interface between the CAN network and RS232 interface.

Key Features: RS232 – 2 (galvanically isolated) CAN interfaces – 2 Ethernet interfaces – 1 USB ports – 2 Power – 9…40 V DC

The following represents some of our earlier models. These models were customized to satisfy specific end-user requirements and demonstrate both MicroMax’s experience as well as our ability to develop similar specialized systems. Some of these solutions will

have new life when updated with more advanced components. Photo 11. M-Max 700 Performance, a version of the standard model (Intel LV Pentium M 738 [1.4Hz], 256DDR333 SDRAM), is IP51 rated as per customer specifications. The computer was designed to be in integrated into the existing environment and is equipped with the following options: Additional 4 opto-isolated (up to 1 kV)

RS-232 ports Customer specified connectors for

a specialized keyboard, monitor and graphic manipulator

Special connectors for the onboard power supply

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Photo 12. M-Max 700, a rugged transport on-board computer, is evolved from an earlier version shown in Photo 21. The main differences are: Improved energy efficiency. Utilizing

a low power AMD Geode LX 800 (500MHz) and DDR333 SDRAM

Uninterruptible Power Supply built by utilizing capacitors

USB screw connectors were installed as per customer specification

There is another similar looking version of the M-Max 700, in which instead of a radio modem, a 12-channel GPS-receiver is installed.

Photo 13. IP54 rated M-Max 700, designed per customer specifications, for use as an on-board computer (avionics). In addition to the modification of the I/O subsystem and connectors, two customer supplied PCI boards were integrated into this computer, which required extensive engineering work. The basic differences are: Integration of the two customer supplied PCI boards Discrete channels I/O (32 input and 32 output channels for discrete commands,

20 input and 20 output channels for TTL-commands) Utilization of rugged PC-compatible connectors as well as military type connectors

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Photo 14. IP66 rated on-board rugged M-Max 700. This computer is integrated into an existing marine vessel environment with an operational temperature range of -20 to +50 °C. The system utilizes Intel LV Pentium M 738 (1.4 MHz, 2 MB L2 cache) and 1 GB RAM DDR SDRAM. The main differences are: 4 frame grabber ports CVBS Rugged PC-compatible terminal strips This model utilizes MicroMax’s Patent-Pending technology to dissipate excessive heat from computer boards. Photo 15. Specialized M-Max 700 based system, which consists of two units – a system unit and a battery unit. The system unit is a standard M -Max 700 with military-type connectors on the front panel. The UPS unit consists of an intelligent charging device which is housed in the system unit and two battery modules housed in the battery unit. The battery unit provides the system with 4 hours of backup power.

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Photo 16. M-Max 700 workstation with an additional CAN-port as per customer request.

Photo 17. Specialized computer, based on the M-Max 700, which performs functions similar to the black box on an aircraft. A two channel CAN board is used to record various data, which could be used to determine the cause of various malfunctions.

Photo 18. Specialized computer designed for use in transport, equipped with a large number of isolated digital and analog input/output ports. The front panel is fitted with a display and controls defined by the customer.

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Photos 19a and 19b. Another modification of the M-Max. This model is equipped with the Intel LV Pentium M 738 (1.4 GHz) processor and 1 GB RAM DDR333 SDRAM,

as well as with a customer supplied PCI board. Front and rear panels were redesigned for special connectors to ensure compliance with IP53 or IP64 (with protective plugs) ratings.

Photos 20a and 20b. Modified M-Max700. While the front panel (20a) is standard, 20b shows five additional connectors on the back panel for video input channels and two CAN interfaces.

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Photos 21a and 21b. M-Max 700 with special coating. Additional features of this unit are: Low Temperature Start Delay System Built-in-UPS Mesh modem (photo 21b)

Photos 22a and 22b. Customized modification of M-Max 600 with MIL-SPEC connectors on the front panel, two additional COM-ports and an additional Ethernet port. The computer can withstand exposure to water, dirt and high pressure. This model

was designed specifically for use in vehicles, to withstand high vibration, and was equipped with a double damping system. Additionally, the reliability of this model is guaranteed by utilizing high quality vibration-proof components.

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Photo 23. Modified M-Max 600 with two additional customer supplied boards. This modification provides 32 analog inputs, 4 outputs and 72 digital I/O. This computer was designed for use in the production control system at a confectionary plant. The customer requested reliable operation in a dusty and high temperature environment.

Photo 24. M-Max 600 – the first in the M-Max line of computers. All models are designed with upgrade capabilities based on mezzanine architecture and other M-Max proprietary design features. Most M-Max computers are utilizing MicroMax’s Patent-Pending technology to dissipate excessive heat from computer boards and other electronic devices working at high vibration.

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