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vi
5.5
Circuit Diagrams .....................................................................38
5.5.1
5.5.2
6. STANDARD I/O Connector ..................................41
6.1
Input Circuit.............................................................................42
6.2
Output Circuit..........................................................................44
6.3
Pin Assignments.....................................................................46
6.3.1
STANDARD I/O connector - Pin Assignments ..........46
6.3.2
for USA Specification - Pin Assignments ..................47
7. Expansion I/O Board - Optional ............................49
7.1
Expansion I/O Board ..............................................................49
7.2
Protected Expansion I/O Board..............................................50
7.2.1
Jumper Settings..........................................................50
7.2.2
Input Circuit ................................................................51
7.2.3
Output Circuit..............................................................53
7.3
Expansion I/O Board ..............................................................55
7.3.1
Jumper Settings..........................................................55
7.3.2
Input Circuit ................................................................55
7.3.3
Output Circuit..............................................................56
7.4
Expansion I/O Board: Pin Assignments .................................58
7.4.1
Pin Assignments (NPN type)......................................58
7.4.2
Pin Assignments (PNP type)......................................60
7.5
Expansion I/O Connector .......................................................62
7.5.1
Pin Layout of Expansion I/O Connector.....................62
7.5.2
Expansion I/O Connector Cable ................................62
7.5.3
Cable - Pin Assignments............................................63
8. I/O Remote Settings .............................................67
8.1
I/O Signal Description.............................................................68
8.1.1
Remote Input Signals .................................................68
8.1.2
Remote Output Signals ..............................................71
8.2
Timing Specifications .............................................................72
8.2.1
Design Notes for Remote Input Signals.....................72
8.2.2
Sequence ...................................................................72
8.2.3
Sequence ...................................................................73
8.2.4
8.2.5
8.2.6
Timing Diagram for RECOVER Sequence ................75
9. RS-232C Settings.................................................77
9.1
RS-232C cable .......................................................................77
9.1.1
Pin Assignments.........................................................77
9.1.2
Connection Example ..................................................78
9.2
Preparation for Communication .............................................78
typical application....................................38
application ...............................................39
RC420 Rev.9
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