SEW DRC2 - Page 142

142
Operating Instructions – Electronic Motor DRC.-..-SNI
9
Releasing the brake without drive enable signal
Operation
9.2.4 Functional description of local mode (only in conjunction with optional plug connector)
Activate local mode by setting DIP switch S2/3 = ON. Refer to the "Local mode" chapter.
If parameter 8893.0 is set to "1 = ON" and local mode is activated with DI04 and DIP
switch S2/3 set to "ON", the brake can be released under the following conditions by
setting the signal at DI03:
Setpoint selection Setpoint selection in binary control depending on the state of terminal f1/f2:
LED display The DRIVE LED flashes periodically when the brake has been released for manual
mode.
Terminal status Unit
status
Error
status
Brake function
DI01 DI02 DI03
f1/f2
DI04 auto-
matic/lo-
cal mode
R L
"1"
"0"
"0"
"1"
"0" "1" Enabled No
unit error
The brake is controlled by
the DRC inverter, setpoint
f1
"1"
"0"
"0"
"1"
"1" "1" Enabled No
unit error
The brake is controlled by
the DRC inverter, setpoint
f2
"1" "1" "0" "1" No enable
signal
No
unit error
The brake is controlled by
the DRC inverter
"0" "0" "0" "1" No enable
signal
No
unit error
Brake applied
"1" "1" "1" "1" No enable
signal
No
unit error
The brake is controlled by
the DRC inverter
"0" "0" "1" "1" Control-
ler inhibit
or STO
No
unit error
Brake is released for
manual operation
All states possible "1" Error unit error Brake applied
Enable status DI03 Active setpoint
Enabled f1/f2 = "0" Setpoint n_f1 active (parameter 10096.35,
factory set to 1500 rpm)
Enabled f1/f2 = "1" Setpoint n_f2 active (parameter 10096.36,
factory set to 200 rpm)
WARNING
Risk of injury if the drive starts up unintentionally.
Severe or fatal injuries.
• Before deactivating local mode, take measures to prevent the drive unit from
starting up unintentionally, e.g. activating "STO".
• Take additional safety precautions depending on the application to avoid injury to
people and damage to machinery.