—
The relay logic is splitted into four parts:
relay) can also be generated by a PLC and transferred to the
terminals of the converter either by relays, using galvanic
There is no need to use hardwired signals. Transfer these
commands via serial communication. Even a mixed solution can
be realized by selecting different possibilities for the one or the
06.01 Main control word
SF_DCS_001_ctrl-cmd_b.ai
06.09 Used main control word
Local I/O
20.01 Command location
PC tool or panel
Local / Remote
On
Run
Reset
On
On
Run
Reset
Reset
Run
PLC
2: Generation of control and monitoring signals:
current off) and Off3 (emergency stop):
Beside On and the drive is equipped with two
additional stop functions and according to Profibus
standard.
Emergency stop mode = Coast stop the drive opens the mains
contactor immediately.
switches the DC current off as fast as possible and
prepares the drive to open the mains contactor or drop the
mains supply. For a normal DC motor load the time to force the
connected to all signals and safety functions opening the mains
open mains contactor during regenerative current. The correct
sequence is:
In case the E-stop push button is hit, the information is
Emercency stop mode = Ramp stop or Torque limit the
converter will decelerate the motor and then open the mains
contactor. If the drive has not finished the function within the
independent of the drive's status.
Emergency stop reaction
K16K15
K15
1
2
SF_CON4_001_E-stop_b.ai
1
2
K16
Off2
Off2
Off2 (current off)
1
DIL
XD24 2
+24 VD
Off3
DZ_LIN_006_E-stop_b.ai
Emergency stop
Speed
Block current control
Mains contactor (K1)
Emergency stop ramp Coast
Timer relay (K15)
Timer relay (K16)
14 ABB industriAl drives DCS880 QuiCk guiDe - 3ADW000480R020114 ABB industriAl drives DCS880 QuiCk guiDe
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