Specialising in design, development and production
of electronics for the flow industry
Copyright 2011 @ LMM Designs Ltd UK
Hardware Tools and standards
Digital and Analog
Schematic design: Altium Designer
Protel SE
Simulation: Altium Designer
PCB: Altium Designer
Standards: IPC-2221A
MTBF calculations Mil-217
LMM Designs has 30 years experience of design, development and production. Working on small, medium and large projects from the early 80's has enabled the entire design to production cycle to be performed quickly and to the required customer standards. A summary of those capabilities and standards are shown below.
Designs / Production standards
Designs to meet: DO160, ISO13628-6
Qualification: CE, EMC, DO160, OIML D 11, OIML R 117 PTB
Burn in procedures: ISO13628-6, Special requirements
Production: IPC-610 Class 1,2, 3
IPC-4101, IPC-6100
Specialist area's
Flow metering: Frequency inputs,Linearisation, HS Analog/Digital outputs
Pressure: 16 to 20 bit temperature compensated
Commincation Links: Modbus full implementation, Canbus, CANopen
Bootstrap loaders: Modbus and CANopen, secure bootloaders with PC loaders
Amplifiers: High temperature RF, SINE, pre-amplifiers
Software Capabilities
8 and 16 bit processors Standard and DSP
Embedded C processor independent
C++ processor independent
Visual C Windows, XP, Vista, 7
Visual Basic Windows, XP, Vista, 7
Assembler Processor drivers