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2.7.1. Emergency Stop Sense Input
WARNING : It is your responsibility to assemble the external safety circuits of your
system to minimize the risk to the operator.
IMPORTANT : The ESTOP sense input is not a safety-rated system.
Use the ESTOP sense input to monitor the state of an external safety circuit only. The software
identifies this state by using the
Emergency Stop Input Level bit of the Drive Status. To get the
software to generate an ESTOP fault when power is removed at the ESTOP input, set the ESTOP bit in
the FaultMask parameter.
The ESTOP input is scaled for an input voltage of 5 - 24 volts.
Figure 2-14: ESTOP Sense Input Schematic
Table 2-32: ESTOP Pins on the Encoder Input Connector
Pin # Label Description In/Out/Bi
5 ESTOP+ Emergency Stop Digital Input + Input
6 ESTOP- Emergency Stop Digital Input - Input
IMPORTANT : If you connect the ESTOP input to a device that makes electrical noise,
you must connect an electrical noise suppression device across the switched coil. Refer
to
Table 2-33 to see the types of devices you can use.
Table 2-33: Electrical Noise Suppression Devices
Device Aerotech P/N Third Party P/N
RC (.1uf / 200 ohm) Network EIC00240 Electrocube RG1782-8
Varistor EID00160 Littelfuse V250LA40A
XL4s Hardware Manual 2.7.1. Emergency Stop Sense Input
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