Chapter 3
Expansion I/O Units
3.1 Parts and Terminology 3 - 3....................
3.1.1 Expansion I/O Unit Types 3 - 4..........
3.2 Specifications 3 - 6............................
3.2.1 General Specifications 3 - 6............
3.2.2 Input Specifications 3 - 6...............
3.2.2.1 Limitations on Number of
Simultaneous Input
ON Points 3 - 7...............
3.2.3 Output Specifications 3 - 8.............
3.2.3.1 Relay Output Type 3 - 8........
3.2.3.2 Transistor Output Type 3 - 9....
3.3 Internal Circuit Diagram 3 - 10..................
3.3.1 Relay Output Type
(E8RS/E8RM/E16RS/E16RM) 3 - 10....
3.3.2 Transistor Output Type 3 - 11...........
3.3.2.1 NPN Open Collector Type
(E16T/E32T) 3 - 11............
3.3.2.2 PNP Open Collector Type
(E16P/E32P) 3 - 13............
3.3.3 Expansion Input Units (E8X/E16X) 3 - 14.
3.3.4 Expansion Output Units 3 - 15..........
3.3.4.1 NPN Open Collector Type
(E8YT/E16YT) 3 - 15...........
3.3.4.2 PNP Open Collector Type
(E8YP/E16YP) 3 - 17..........
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