Electrical
Troubleshooting Guide
IRB6400 M94A
Page 11 - 18
Inputs & Outputs
11.3.4 120 VAC Modules (Conn. option 35X)
The 120 VAC board is used only for digital I/O boards.
The ribbon cable from the back of the I/O board goes to
the 120 VAC board. Both inputs and outputs are
controlled by replacable solid state modules on this
board.
Example: Digital Input
If a digital input is to be established, a limit switch will be
wired to input number 6 on an I/O board. The limit switch
must have 120 VAC supplied to one side of the limit
switch. The other side of the limit switch will be wired to
XTXX terminal 43. For the input to work, 0 V (of the
source voltage) would have to be connected to XTXX
terminal 44. Each input has a separate neutral connected
on each of the even numbered terminals.
Example: Digital Output
If a light is to be wired to output 12 on an I/O board, the
light would have 0 V connected to one side, and other
side would be wired to XTXX terminal 24. For the output
to work, 120 VAC must be supplied to the output. This
can be done by wiring 120 VAC to XTXX terminal 23.
Digital Inputs Technical Data:
- Voltage range:
90 - 140 VAC
- Input current:
<8 mA
Digital Outputs Technical Data:
- Load per output:
1.25 A
- Voltage range (source):
24 - 140 VAC
- Frequency range (source):
25 - 70 Hz
- Maximum potential difference:
2 kV
Sheet 19.3, line 06........
Sheet 20.4, line 12........
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