Expansion I/O Board; About Expansion I/O Board; Board Configuration (Expansion I/O) - Epson RC620 CU Manual

12.2 Expansion I/O Board

12.2.1 About Expansion I/O Board

Each additional expansion I/O board provides 32 inputs and 32 outputs.
CN1: 16 inputs / 16 outputs
CN2: 16 inputs / 16 outputs
The number of I/Os that can be expanded is maximum 4 boards and 128 inputs and
outputs.
The input and output bit numbers are assigned as follows. (Bit number is assigned from
CN1.)

12.2.2 Board Configuration (Expansion I/O)

Board Appearance
CN1
CN4
CN2
RC620 Rev.8
Input Bit #
0 to 23
64 to 95
96 to 127
128 to 159
160 to 191
Switch and Jumper Configuration
Setup the DSW1 and DSW2.
st
1 board
SW4
SW3
SW2
SW1
DSW2
DSW1
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW1
Setup & Operation 12. Option Slots
Output Bit #
0 to 15 STANDARD I/O
64 to 95 The 1
96 to 127 The 2
128 to 159 The 3
160 to 191 The 4
CN4 is all open.
nd
2 board
SW4 SW4
SW3 SW3
SW2 SW2
SW1 SW1
SW8 SW8
SW7 SW7
SW6 SW6
SW5 SW5
SW4 SW4
SW3 SW3
SW2 SW2
SW1 SW1
Applicable Hardware
st
Expansion I/O board
nd
Expansion I/O board
rd
Expansion I/O board
th
Expansion I/O board
rd th
3 board 4 board
SW4
SW3
SW2
SW1
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW1
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