McCain 2070LX - Table of Contents

2070LX Controller – User Manual i
Version 1.0
Table of Contents
1 2070LX CONTROLLER .................................................................................................................... 1
1.1 Product description ...................................................................................................................................... 1
1.2 Benefits ........................................................................................................................................................ 1
1.3 Configuration ............................................................................................................................................... 1
1.4 Standard features ......................................................................................................................................... 4
1.5 Interfaces ..................................................................................................................................................... 4
2 2070-1C 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