Acs880-07 Drives, Frames Nxdxt + Nxr8I - ABB ACS880-07 User Manual

14 Option description and instructions
Step Operation
5. Normal operation resumes after the user:
• releases the emergency stop button [S61] to normal (up) position
• resets the emergency stop circuit with the emergency stop reset button [S62]
• resets the drive.
If the drive is used in remote control mode, see firmware manual for more information.

ACS880-07 drives, frames nxDXT + nxR8i


-T22
-Q1/2
-K62.1
-A61
-S61
L
-K62.1
-Q1/2
1) Reset circuit
A41 Control board (inverter unit)
A51 Control board (supply unit)
A61 Emergency stop safety relay
K62.1 Auxiliary safety relay
K62.2 Auxiliary relay
X969 STO terminal block
Initial status: The drive is in operation and the motor is running.
Step Operation
1. The user activates emergency stop by pushing the emergency stop button [S61].
2. The emergency stop safety relay [A61] de-energizes relays [K62.1] and [K62.2].
The auxiliary safety relay [K62.1] de-energizes the main contactor [Q2].
The main contactor [Q2] switches off the power supply to the drive module [T1].
The auxiliary relay [K62.2] switches off the DIIL input of the supply unit control board [A51] and the
XSTO inputs IN1 and IN2 of the inverter unit control board [A41].
Control relays
24 V
1)
-S62
-K62.1 -K62.2 -P62
S61 Emergency stop button
S62 Emergency stop reset button
P62 Emergency stop indication lamp
Q1/2 Main contactor
T1 Drive module
T22 24 V power supply
Drive control boards
-A51
24 V
-K62.2
DIIL
-A41
XSTO
OUT
-K62.2
SGND
IN1
IN2
-X969
1-2
3-4
Main circuit
-Q1/2
-T1
M
3~