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2.10. Safe Torque Off Input (STO)
IMPORTANT: iXR3 certification is pending.
The STO circuit is comprised of two identical channels, each of which must be energized in order for
the controller to produce motion. Each channel is opto-isolated and provides individual connections
to each terminal of the opto-coupler LED. Current limiting resistors are provided internally and the
STO inputs are designed to work with 24 V signals.
IMPORTANT
: The controller might be equipped with an STO bypass plug. The bypass
plug defeats the STO safety circuit and allows the system to run at all times. To use the
STO safety functionality, remove the plug and make connections as outlined in this
section.
IMPORTANT
: The application circuit and its suitability for the desired safety level is the
sole responsibility of the user of the controller.
WARNING
: STO wires must be insulated to prevent short circuits between connector
pins. The primary concern is a short circuit between STO 1+ and STO 2+ wire strands or
solder bridges.
Table 2-48:
STO Connector Pinout
Pin # Signal
Description
In/Out/Bi
Connector
1
STO 1+
STO Channel 1 Positive Input
Input
2
STO 2+
STO Channel 2 Positive Input
Input
3
Reserved
Reserved
N/A
4
Power
Use only to defeat STO by connecting to
STO 1+ and STO 2+. Not for customer use.
Output
5
Reserved
Reserved
N/A
6
STO 1-
STO Channel 1 Negative Input
Input
7
STO 2-
STO Channel 2 Negative Input
Input
8
Reserved
Reserved
N/A
9
Power Supply -
Use only to defeat STO by connecting to
STO 1- and STO 2-. Not for customer use.
Output
Table 2-49:
Mating Connector Part Numbers for the STO Connector
Mating Connector
Aerotech P/N
Third Party P/N
9-Pin D-Connector
ECK00137
Cinch DE-9P
Backshell
ECK01021
Amphenol 17E-1724-2
iXR3/XR3 Hardware Manual
2.10. Safe Torque Off Input (STO)
www.aerotech.com
81
Содержание Automation1 iXR3
Страница 1: ...Revision 2 08 Automation1 iXR3 and XR3 Drive Racks HARDWARE MANUAL...
Страница 16: ...Figure 1 2 XR3 Connection Overview Chapter 1 iXR3 XR3 Overview iXR3 XR3 Hardware Manual 16 www aerotech com...
Страница 97: ...Figure 3 3 Slot Details iXR3 XR3 Hardware Manual 3 3 Amplifier Replacement www aerotech com 97...
Страница 98: ...This page intentionally left blank 3 3 Amplifier Replacement iXR3 XR3 Hardware Manual 98 www aerotech com...
Страница 104: ...This page intentionally left blank Appendix C Revision History iXR3 XR3 Hardware Manual 104 www aerotech com...
Страница 111: ...W Warranty and Field Service 99 iXR3 XR3 Hardware Manual Index www aerotech com 111...
Страница 112: ...Index iXR3 XR3 Hardware Manual This page intentionally left blank 112 www aerotech com...