ABB ACS880-34, Hardware Manual

Page: 112 / 256

112 External control unit
The following diagram shows the wiring of the drive-to-drive link.
Safe torque off (XSTO)
For the drive to start, both connections (OUT1 to IN1 and IN2) must be closed. By default,
the terminal block has jumpers to close the circuit. Remove the jumpers before connecting
an external Safe torque off circuitry to the drive.
See also chapter Safe torque off function on page 217 .
Safety functions module connection (X12)
See section Installing the FSO safety functions module (Q973) on page 112 and
FSO-12 safety functions module user’s manual (3AXD50000015612 [English]).

Installing the control panel holder back onto the external control
unit
Install the control panel holder back onto the external control unit in reverse order to
removing it, see section
Removing the control panel holder from the external control unit
on page 101 .
Installing optional modules

Installing the FSO safety functions module (Q973)
Install the FSO safety functions module in Slot 2 of the control unit as described below.
WARNING! Obey the safety instructions in chapter Safety instructions . If you
ignore them, injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section Precautions before electrical work on page
18 before you start work.
2. If the bottom plate of the FSO-xx module looks different from that in the drawing below,
remove the bottom plate and attach the alternative bottom plate from the FSO
package to module.
3. Connect the FSO-xx data cable to connector X12 on the control unit.
4. Attach the FSO-xx module to Slot 2 with four screws.
1 2 3 4
B A
BGND
Sh
ield
XD2D
1 2 3 4
B A
BGND
Sh
ield
XD2D
1 2 3 4
B A
BGND
Sh
ield
XD2D
J3
J3
J3