
2070LX Controller –User Manual i
Version 1.0
Table of Contents
12070LX CONTROLLER.................................................................................................................... 1
1.1 Product description......................................................................................................................................1
1.2 Benefits ........................................................................................................................................................1
1.3 Configuration ...............................................................................................................................................1
1.4 Standard features.........................................................................................................................................4
1.5 Interfaces .....................................................................................................................................................4
22070-1C CPU MODULE.................................................................................................................. 5
2.1 General description......................................................................................................................................5
2.2 Standard features.........................................................................................................................................6
2.3 Communication interfaces’ description.......................................................................................................6
2.4 Theory of operation ...................................................................................................................................11
2.4.1 Host board .............................................................................................................................................11
2.4.1.1 The DIN-96 Connector...................................................................................................................11
2.4.1.2 C13S Connector circuitry...............................................................................................................11
2.4.1.3 Control signals circuit....................................................................................................................12
2.4.1.4 Receptacles for engine board installation.....................................................................................12
2.4.1.5 RS-485 line driver/receivers circuitry............................................................................................12
2.4.1.6 Back up circuitry............................................................................................................................13
2.4.1.7 Ethernet switches..........................................................................................................................13
2.4.1.8 USB Hub.........................................................................................................................................14
2.4.1.9 Datakey circuitry ...........................................................................................................................15
2.4.1.10 ACTIVE LED circuit .........................................................................................................................15
2.4.1.11 A2-A3 installation detection circuitry............................................................................................15
2.4.1.12 SD CARD Circuit .............................................................................................................................16
2.4.2 Engine Board..........................................................................................................................................16
2.4.2.1 Microprocessor .............................................................................................................................16
2.4.2.2 Memory.........................................................................................................................................17
2.4.2.3 Communications ...........................................................................................................................17
2.4.2.4 Reset management .......................................................................................................................18
2.4.2.5 Support circuitry............................................................................................................................18
2.4.2.6 Reset Circuits.................................................................................................................................21
2.5 2070LX Hostboard and Engine Block Diagrams..........................................................................................25
2.6 Connectors’ Pin Out ...................................................................................................................................29