Table of Contents
Advertisement
iXC4e/XC4e Hardware Manual
Table 2-27:
STO Electrical Specifications
Status
STO off (motion allowed)
STO on (safe state entered, no motion)
Recommended Wire Gauge
STO System Power Supply
STO Wire Length (maximum)
Figure 2-33
shows one safety device connected to multiple drives in parallel.
WARNING: The drive does not check for short circuits on the external STO wiring. If this
is not done by the external safety device, short circuits on the wiring must be excluded.
Refer to EN ISO 13849-2. For Category 4 systems, the exclusion of short circuits is
mandatory.
Figure 2-33:
Typical STO Configuration
www.aerotech.com
2.4. Safe Torque Off Input (STO)
Value
18-24 V, 7 ma
0-6 V
22-26 AWG (0.5 - 0.14 mm
PELV
50 m
2
)
59
Advertisement
Table of Contents
