DAT X2, Lifter for tunneling, centre layer boom, platforms, on digger, Italmec, DAT instruments, Amedeo Valoroso

DAT X2 electronic control system for tunneling lifters

DAT X2 is the new version of 3CTR electronic control system for tunneling lifters. It is installed on 3 booms tunneling lifters: 2 platforms to lift workers and 1 central boom to lift centres in tunnels.

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DAT X2, Proportional controls for tunneling lifter, joystick, DAT instruments, Amedeo Valoroso

Electronic proportional manipulators and a LCD monitor complete each platform transmitter: these components are useful to make movements very accurate. Consent pushbuttons are present on control joysticks: they are helpful to choose the movement to perform and also to avoid that an accidental manipulator movements would compromise operators’ safeness.

The LCD monitors help operators to understand machine status and, consequently, to optimize their work. Furthermore, emergency pushbuttons are important to block the whole equipment in case of emergency.

DAT X2, tunneling lifters, tunneling lifter control panel, DAT instruments, Amedeo Valoroso

DAT X2 control system for tunneling lifters is provided with several functions:

  • electronic area, moment and load limiter helps operators to lift a centre in safe conditions;
  • stabilization controller assures that the lifting equipment is perfectly stabilized to the soil before beginning a working session and a centre mounting;
  • commands selector avoids simultaneous incompatible movements, allowing the operator to concentrate on the maneuver he is making.

DAT X2 electronic control system for tunneling lifters, the project.

DAT X2 is different from the former 3CTR electronic control system. The new DAT X2 system is composed by DAT instruments DAT CB programmable controllers. Especially relevant is the central processor (DAT DR MR4A2R), that coordinates all functions. Other peripherals (DAT CB 8DA, DAT CB 8A8D, DAT CB 8I4O, DAT CB 8I4ORL) work as distributed logic I/O boards and also as stand alone controllers, with their custom programmed functions. In addition, most important functions are demanded to two identical boards and their result are compared by the main cpu. More than 14 DAT CB boards compose the whole control system.

DAT X2, tunneling lifters, tunnelling lifter control panel schematic, solenoid valves, by DAT instruments, Amedeo Valoroso

DAT X2 control system for tunneling lifters commands more than 20 solenoid valves (on/off and proportional) and detects the status of more than 20 sensors.

DAT X2 electronic control system for tunneling lifters, electronic boards list.

DAT X2, Tunnelling lifter control panel, solenoid valves, DAT instruments, Amedeo Valoroso

DAT DR MR4A2R, main board

Central processor.

DAT CB 8I4ORL stab 1

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Tunneling lifter soil stabilization controller.

DAT CB 8I4ORL stab 2

Tunneling lifter soil stabilization controller, redundant because stabilization is a safety process.

DAT CB 8I4ORL lim

Area, load and moment limiter.

DAT CB 8I4O

8 digital/analog inputs and 4 mosfet outputs to control on/off solenoid valves.

DAT CB 8DA

8 analog outputs to control proportional solenoid valves.

DAT CB 8A8D

8 digital inputs and 8 analog inputs for joysticks.

DAT X2, Lifter for tunneling, centre layer, on digger, centre lifting, Italmec, DAT instruments, Amedeo Valoroso
DAT X2, Lifter for tunneling, centre layer, on truck, Italmec, DAT instruments, Amedeo Valoroso

Programming languages: C, Assembler, VB.

Project started on: Sept, 2007. Status: in production.

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