Copley Controls Xenus Plus XP2 Series Manual page 7

safe torque off (sto)
DESCRiPTion
The xP2 provides the Safe Torque Off (STO) function as defined in IEC 61800-5-2. Three opto-couplers are provided which, when de-energized, prevent
the upper and lower devices in the PWM outputs from being operated by the digital control core. This provides a positive oFF capability that cannot be
overridden by the control firmware, or associated hardware components. When the opto-couplers are activated (current is flowing in the input diodes),
the control core will be able to control the on/off state of the PWM outputs.
inSTAllATion
DANGER
STO ByPASS (MuTING)
In order for the PWM outputs of the xP2 to be activated, current must be flowing through all of the opto-couplers that are connected to the STO-1 and
STO-2 terminals of J6, and the drive must be in an ENABlED state. When the opto-couplers are OFF, the drive is in a Safe Torque Off (STO) state and
the PWM outputs cannot be activated by the control core to drive a motor. This diagram shows connections that will energize all of the opto-couplers
from an internal current-source. When this is done the STo feature is overridden and control of the output PWM stage is under control of the digital
control core.
If not using the STO feature, these connections must be made in order for the
STO ByPASS CONNECTIONS
Current must flow
through all of the
opto-couplers before
* STO bypass connections on the xP2 and xenus
XPl models are different. if both drives are
installed in the same cabinet, the diode should
be wired as shown to prevent damage that could
occur if the STo bypass connectors are installed
on the wrong drive. The diode is not required for
STo bypass on the XP2 and can be replaced by a
wire between pins 7 and 9.
SAFETy CONNECTOR J6
Copley Controls, 20 Dan Road, Canton, MA 02021, USA
Tech Support: E-mail: sales@copleycontrols.com, Web: http://www.copleycontrols.com
Xenus
PLUS
Refer to the Xenus Plus Dual-Axis STO User Manual
The information provided in the Xenus Plus Dual-Axis STo User Manual must be
considered for any application using the xP2 drive's STO feature.
Failure to heed this warning can cause equipment damage, injury, or death.
Bypass Plug Connections
Jumper pins:
2-4, 3-5, 6-8, 7-9 *
the XP2
can be enabled
2-Axis CANopen
XP2
to be enabled.
Xenus Plus Dual-Axis
J6
STO-IN1+
2
STO-IN1-
3
STO-IN2+
4
STO-IN2-
5
STO-IN1+
6
STO-IN1-
7
*
STO-Bypass (6.5 mA)
8
STO-Gnd (Sgnd)
9
Frame Ground
1
J6 SIGNAlS
Pin SIGNAl
1 Frame Gnd
2 STO-1(+)
3 STO-1(-)
4 STO-2(+)
5 STO-2(-)
Tel: 781-828-8090
Rev 01
V_in
EN
Voltage
Regulator
+VI
+VI
* XE2 and XEL-XPL STO bypass connections are different.
The diode shown should be used if XE2 and XEL-XPL drives are used on the same
equipment. Otherwise, the diode may be replaced by a jumper.
XE2 STO bypass connectors are not compatible with XEL-XPL drives.
Pin SIGNAl
6 STO-1(+)
7 STO-1(-)
8 STo-PWR
9 STO-Gnd
XP2
RoHS
PWM Signals
+VI Buffer
Upper IGBT Gate Drive
+HV
PWM
Outputs
Lower IGBT Gate Drive
Fax: 781-828-6547
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