Expansion I/O Board; Jumper Settings; Input Circuit - Epson RC420 Manual

Setup & Operation 7.3 Expansion I/O Board (Expansion I/O Board - Optional)

7.3 Expansion I/O Board

7.3.1 Expansion I/O Board : Jumper Settings
The I/O board address is defined by the jumpers JP1, JP2, and JP3.
JP1, JP2
The table below shows the settings for JP1 and JP2 on each board. The table is oriented
the same way that the jumpers are on the board (address bit increases from left to right).
Board #
Board #
Short: Short-circuit, Blank: Open
JP3
Short-circuit 1-2, 4-5, 7-8 and 10-11.
JP4, 5, 6
Normally open.
When an Expansion I/O Board is used, the appropriate software settings must be done in
addition to the jumper settings. For details about software settings, refer to the section,
ISA I/O Board Software Configuration in the chapter, I/O Systems in EPSON RC+ User's
Guide.
7.3.2 Expansion I/O Board : Input Circuit
The input circuit is the same as the NPN type of the protected expansion I/O board.
Refer to the Setup & Operation 7.2.2 Protected Expansion I/O board : Input Circuit for
details.
RC420 Rev.9
Address
1-2
A8
1 700
2 710
3 720
4 730
Address
1-2
A3
1 700 Short
2 710
Short
3 720 Short
4 730 Short
JP 1
3-4 5-6 7-8 9-10
A9 A10 A11 A12
Short Short
Short Short
Short Short
Short Short
JP 2
3-4 5-6 7-8
A4 A5 A6
Short Short Short
Short Short
Short Short
Short
11-12 13-14 15-16
A13 A14 A15
Short Short Short
Short Short Short
Short Short Short
Short Short Short
9-10
A7
Short
Short
Short
Short
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