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3-3
Section
Wiring
42
2. If two or more Special I/O Units are assigned the same unit number, an I/O
UNIT OVER error will be generated and the PC will not operate.
3-2-3 Operation Mode Switch
The operation mode switch on the back of the Unit is used to set the operation
mode to either normal mode or adjustment mode (for adjusting offset and gain).
Pin number
Mode
1
2
3
4
OFF
OFF
OFF
OFF
Normal mode
ON
OFF
OFF
OFF
Adjustment mode
Caution
Do not set the pins to any combination other than those shown in the above
table. Be sure to set pins 2, 3, and 4 to OFF.
Caution
Be sure to turn off the power to the PC before changing the operation mode
switch settings.
3-3
Wiring
3-3-1 Terminal Arrangement
The signal names corresponding to the connecting terminals are as shown in the
following diagram.
Voltage Output Model (C200H-DA003)
Voltage output 2 (+)
B0
Voltage output 2 (–)
B1
NC
B2
Voltage output 4 (+)
B3
Voltage output 4 (–)
B4
NC
B5
Voltage output 6 (+)
B6
Voltage output 6 (–)
B7
NC
B8
Voltage output 8 (+)
B9
Voltage output 8 (–)
B10
NC
B11
NC
B12
NC
B13
Voltage output 1 (+)
A0
Voltage output 1 (–)
A1
NC
A2
Voltage output 3 (+)
A3
Voltage output 3 (–)
A4
NC
A5
Voltage output 5 (+)
A6
Voltage output 5 (–)
A7
NC
A8
Voltage output 7 (+)
A9
Voltage output 7 (–)
A10
NC
A11
NC
A12
NC
A13