Safe torque off (sto), Sto input interfaces – ttl mode – ElmoMC Gold Line Digital Servo Drives-Gold Whistle User Manual
Page 81
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Gold Whistle Installation Guide
Technical Specifications
MAN-G-WHIIG (Ver. 1.208)
81
5.6. Safe Torque Off (STO)
The Gold Whistle has two STO (Safe Torque Off) inputs.
5.6.1.
STO Input Interfaces – TTL Mode
Feature
Details
Type of input
Optically isolated
Input current for all inputs
Iin = 3.8 mA @ Vin = 5 V
High-level input voltage
2.4 V < Vin < 15 V, 5 V typical
Low-level input voltage
0 V < Vin < 0.8 V
Minimum pulse width
>3 ms
Figure 38: STO Input Schematic
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