Overview Of Circuit Operation - Yamaha TS-S User Manual

12.2.2 Over view of circuit operation
This section describes an overview of the circuit operation for each safety circuit configuration example shown
in the previous sections.
The safety controller is programmed so that the operation is performed in the table below.
Additionally, the safety controller is programmed so that it complies with the required standards other than the
operations.
Operation
Mode select
mode
switch
AUTO mode
Input a: Close
outside safety
Input b: Open
enclosure
MANUAL mode
Input a: Open
inside safety
Input b: Close
enclosure
1. Emergency stop operation
When the emergency stop button is pressed, the controller main power (motor drive power) is shut down.
When the emergency stop button is pressed, the category 0 emergency stop is activated regardless of other switch
settings.
2. Each mode operation by mode select switch setting
2.1 AUTO mode (Mode select switch setting, input a: Close, input b: Open)
The enable switch of the pendant is disabled, and only if the following conditions are all met the relay turns ON and
main power (motor operating power) is supplied to the controller.
Conditions
• The emergency stop switch is closed.
• The safety door is closed.
c
CAutIoN
Connect a dummy connector or ht1-D to CoM1 on the controller front panel. If the CoM1 connector on the
controller front panel is open, an emergency stop occurs.
2.2 MANUAL mode (Mode select switch setting, input a: Open, input b: Close)
The enable switch of the pendant is enabled, and only if the following conditions are all met the relay turns ON and
main power (motor operating power) is supplied to the controller.
Conditions
• The emergency stop switch is closed.
• The safety door is opened.
• The enable switch of the pendant is closed (center position)
c
CAutIoN
you must disconnect the dummy connector from the CoM1 connector on the controller front panel, and connect
ht1-D.
Input
Emergency stop
Safety door
button
Open –
Open
Close
Close
Open –
Close
Close
Open
Output
Enable switch ES-
– OFF
– OFF
–
– ON
–
– OFF
– OFF
Open OFF
Close ON
2
Relay
OFF
OFF
ON
OFF
OFF
OFF
ON
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