Functions
7.10 Safe Torque Off (STO) safety function
Inverter with CU240B-2 and CU240E-2 Control Units
222 Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
● Set the following in the above screen:
– ① ② F-DI input filter (debounce time) and monitoring for simultaneous operation
(discrepancy):
The method of functioning of the two filters is described in the section entitled F-DI
sign
al filtering (Page 216).
– ③ ④ Time in
terval for forced dormant error detection:
Information regarding forced dormant error detection can be found in the Forced
dorm
ant error detection (Page 219) section.
●
Close the screen.
7.10.7.3 Activate settings
● Click "Copy parameters" and then click "Activate settings":
● If the password = 0 (factory setting), follow the prompts in order to set a password.
If you try to set a password that is not permissible, the old password will not be changed.
Further information can be found in the section Password (Page 220).
●
Confirm the prompt for saving your settings (copy RAM to ROM).
● Switch off the Control Unit power supply for approximately 10 seconds (Power ON
Reset). Only then will your changes become effective.
7.10.7.4 Multiple assignment of the DI
● Check whether the digital inputs used as fail-safe input are also assigned a further
function.
NOTICE
Both, the assignment of digital inputs with the selection of a safety function or with a
"standard" function can lead to an unexpected behavior of the motor.
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