Environnement Envea MIR 9000, Technical Manual, Page: 168 / 212

Duplication prohibited
DNP-ARM7 board
Environnement
S.A
APRIL 2008
3
1. DNP-ARM7 BOARD
The DNP-ARM7 board is a rapid calculation and interfacing board for the measurement modules of
the 2M series. It is optionally provided with the analyzers which require the very short response times.
1.1 FUNCTION AND USE
The DNP-ARM7 board provides 4 functions:
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TTL series numerical interface with the series 2M Modules,
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10 bases T LAN network,
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Digital signal processing
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HMI by screen / monochromic keyboard (colour ¼ QVGA + optional tactile faceplate)
The DNP-ARM7 board enables dialog with the measurement module and relieves it from the
Inputs/Outputs functions: display, RS232, metrological calculations.
1.2 TECHNICAL CHARACTERISTICS
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SAMSUNG ARM7 microprocessor, clocked to 66Mhz
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uCLinux operating system
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1 serial port, TTL level, RS4i board compatible
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1 serial bus, TTL level, multiplexed for the connection of 4 modules maximum
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1 Bus i2C to 100 Kbits/s
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Sole power supply from 8 to 24 volts,
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Interface for LCD DENSITRON NB 240x128 pixels,
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10baseT Ethernet Inlet/Outlet.
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1 USB port
Electrical connection:
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Four 7-point connectors for the link to the 2M series Module,
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One 2-point connector for an RS4i board connection.
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One connector for power supply
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One connector for LCD screen backlighting