Overview Of Circuit Operation - Yamaha TS-S User Manual

12.3.2 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
Input a: Open
mode inside
safety
Input b: Close
enclosure
1. Emergency stop operation
When the emergency stop switch is pressed, the controller main power (motor drive power) is shut down.
When the emergency stop switch is pressed, the category 0 emergency stop is activated regardless of other switch
settings.
2. AUTO mode (Mode select switch setting, input a: Close, input b: Open)
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 contactor 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.
• The MP RDY signal is on. (Output from the controller when the controller main power is ready to turn on.)
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 contactor 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 (intermediate position).
• The MP RDY signal is on. (Output from the controller when the controller main power is ready to turn on.)
c
CAutIoN
you must disconnect the dummy connector from the CoM1 connector on the controller front panel, and connect
ht1-D.
Input
Emergency
Safety door
stop switch
Open –
Open
Close
Close
Open –
Close
Close
Open
Enable switch MPRDY
– –
– –
– –
– OFF
– ON
– –
– –
Open –
OFF
Close
ON
Output
2
ES- Contactor
OFF OFF
OFF OFF
OFF
ON OFF
ON
OFF OFF
OFF OFF
OFF OFF
OFF
ON
ON
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