Danfoss iC7 Series Operating Manual page 15

Operating Guide | iC7-Automation Functional Safety Functional Safety for Frequency Converters with STO, Not Upgradable (+BEF1)
Figure 5: Functional Safety Terminals
Table 5: Functional Safety I/O Terminals in Frequency Converters
Terminal X31
Numbering Terminal name
41 24 V
42 S.INA+
43 S.INB+
44 S.FB+
The frequency converter is shipped without any wiring to the functional safety I/O terminals. As a result, all safe inputs are de-energized
and STO is active.
1.
If the STO safety function is not needed, wire the terminal block as shown in
accessory bag and mount them on X31 and X32. This ensures that both STO inputs are energized with 24 V DC for enabling
normal operation.
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41 42 43 44
45 46 47 48
Terminal X32
Functions Numbering
+ 24 V DC Output 45
+ STO Input Chan- 46
nel A
+ STO Input Chan- 47
nel B
+ STO Feedback 48
X31
X32
Terminal name
GND
S.INA–
S.INB–
S.FB–
Figure 6, or use the STO jumper clips from the
AQ319741840653en-000401 / 136R0268 |
Functions
0 V/GND
- STO Input Chan-
nel A
- STO Input Chan-
nel B
- STO Feedback
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