McCain 2070LX - Page 6

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2.7 2070-1C module dimensions ...................................................................................................................... 32
2.8 Adjustment ................................................................................................................................................. 32
2.9 Installing the 2070-1C CPU Module ........................................................................................................... 32
3 2070-2E+ FIELD I/O MODULE ...................................................................................................... 33
3.1 General description .................................................................................................................................... 33
3.2 Theory of operation ................................................................................................................................... 34
3.3 2070-2E+ Block Diagram ............................................................................................................................ 40
3.4 Connectors’ Pin Out ................................................................................................................................... 42
3.5 2070-2E+ module dimensions .................................................................................................................... 44
3.6 Installing the 2070-2E+ Module ................................................................................................................. 44
4 2070LX MODULE, FRONT PANEL ASSEMBLY................................................................................ 45
4.1 General description .................................................................................................................................... 45
4.2 Theory of operation ................................................................................................................................... 46
4.3 2070LX Block Diagram ................................................................................................................................ 48
4.4 Connectors’ Pin Out ................................................................................................................................... 49
4.5 2070LX module dimensions ....................................................................................................................... 49
4.6 Adjustment ................................................................................................................................................. 50
4.7 Installing the 2070LX .................................................................................................................................. 50
5 2070-4A POWER SUPPLY MODULE ............................................................................................. 51
5.1 General description .................................................................................................................................... 51
5.2 Theory of operation ................................................................................................................................... 52
5.3 2070-4A Block Diagram .............................................................................................................................. 57
5.4 PS1 and PS2 Connectors’ Pin Out ............................................................................................................... 58
5.5 2070-4A module dimensions ..................................................................................................................... 59
5.6 Adjustment ................................................................................................................................................. 59
5.7 Installing the 2070-4A module ................................................................................................................... 60
6 CHASSIS UNIT ............................................................................................................................. 61
6.1 General description .................................................................................................................................... 61
6.2 Serial Motherboard .................................................................................................................................... 63
6.2.1 Theory of operation ............................................................................................................................... 63
6.3 2070 Serial Motherboard Block Diagram ................................................................................................... 64
6.4 Connectors’ Pin Out ................................................................................................................................... 65
7 GENERAL SPECIFICATIONS .......................................................................................................... 71