Connection
OM1305066E26
29
5.5 Connecting and control method of external device
• To connect cables from an external device to the robot I/
O circuit, draw the cables into the controller through the
wiring ports on the IO panel located at the lower right of
the right side panel of the controller (see the figure on the
right).
• At the time of drawing a cable through the wire port,
make sure to fix the cable with a cord lock or the like so
as to prevent dust from getting into the controller.
(* Remove the hole plug of the wiring port when drawing
a cable.)
As for each of the following connections, please refer to the
specified section.
CAUTION
Observe the following instructions in case of connecting external equipment.
Apply a radio shield wire as I/O connecting cable between an external device and robot I/O
circuit in order to protect the controller from noise.
Connect the shield wire to the FE terminal (
) on the left side of the controller.
The FE terminal is provided to prevent noise.
If a system comprises a machine which generates high frequency (such as TIG, plasma), the
robot I/O circuit may be damaged by the high frequency noise. Be sure to design so that any
external input to the system should use a no-voltage contact signal and any output to an
external device should be converted into relay contact output.
At the time of wiring to the inside of the controller, make sure to apply measures against noise
by running the lead-in cables along the side panel or base panel to keep the lead-in cables
away from the boards and cables inside the controller.
If a trouble, such as an error stop, whose probable cause is noise from external equipment
occurs, use a noise filter unit. The noise filter unit prevent introduction of external noise into
the unit. For details, please refer to section “5.6 Using noise filter unit“.
Do not connect the ground cable to the COM of the sequencer card. Otherwise, it will cause
the controller to malfunction or break down.
Safety I/O circuit
External device
7. External Control
Signal Connection
I/O panel hole size (Unit: mm)
Hole A (3 pcs.)
13
Hole B (1 pcs.)
23
Hole C (3 pcs.)
28
Hole D (2 pcs.)
35
I/O panel
