PowerFlex 755 Install Manual.pdf
PowerFlex 755 Install Manual.pdf
PowerFlex 755 Install Manual.pdf
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Safe Torque Off Option Module<br />
20-750-S<br />
The safe torque off option is just one component in a safety control system.<br />
Components in the system must be chosen and applied appropriately to<br />
achieve the desired level of operational safety. For detailed information on<br />
applying this option, refer to the <strong>PowerFlex</strong> 750-Series Safe Torque Off<br />
User <strong>Manual</strong>, publication 750-UM002.<br />
Table 35 TB2 Terminal Designations<br />
SP+<br />
SE+<br />
Sd<br />
SP-<br />
SE-<br />
Sd<br />
<strong>Install</strong>ation Notes<br />
Terminal Name Description<br />
SP+ +24 Volt Safety Power User-supplied 24 volt power.<br />
SP- Safety Power Common<br />
45 mA typical<br />
SE+ +24 Volt Safety Enable User-supplied 24 volt power.<br />
SE- Safety Enable Common<br />
25 mA typical<br />
Sd Shield Terminating point for wire shields when an<br />
Sd Shield<br />
EMC plate or conduit box is not installed.<br />
Safety Input Connection Example<br />
Power Supply<br />
Common<br />
SP-<br />
+24V<br />
SP+<br />
1. Ensure the safety enable jumper (J2 SAFETY) is removed.<br />
2. Ensure the hardware enable jumper (J1 ENABLE) is installed. If not<br />
installed, the drive will fault when a start command is issued.<br />
<strong>PowerFlex</strong> 750-Series <strong>Install</strong>ation Instructions – Publication 750-IN001C-EN-P – September 2009<br />
SE-<br />
SE+<br />
Sd Sd<br />
Common<br />
+24V<br />
75
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