Functional safety
328
9.
FUN
C
TI
ON
AL SAFET
Y
Drive
Ena
ble
in
put and AS1-AS2 fe
edb
ack
o
utput
Ref.1912
DDS
HARDWARE
· 314 ·
9.2 Drive Enable input and AS1-AS2 feedback output
The interface for the integrated channel (Drive Enable) of the STO safety function consists of the DRIVE
ENABLE input and its associated contact of the AS1-AS2 feedback.
F. H9/1
STO ·Drive Enable· integrated channel interface.
X7
X2
+24Vdc
0 V
SPEED
ENABLE
DRIVE
ENABLE
GND
DR.
O.K.
AS1
AS2
X4
X3
X1
STATUS
DISPLAY
SL2
SL1
X7
X2
DANGER
HIGH VOLTAGE
DISCHARGE TIME>4Min
2.5A(F)
FUSE
(250V)
NODE
OUT
IN
X5
X6
+24Vdc
0 V
SPEED
ENABLE
DRIVE
ENABLE
GND
DR.
O.K.
AS1
AS2
DRIVE MODULE
Aerial male connectors X2 and X7. Mechanical data.
Female connector X2. Electrical data.
8-pin connector whose 3 pins to consider are:
See sub-section:
in chapter 3 of this manual.
Female connector X7. Electrical data.
2-pin (AS1-AS2) connector associated with the (N.C.,
N
ormally
C
losed) contact of an internal safety relay with
guided pins of free potential. The state of the Drive Enable
input is open high “H”.
Dielectric strength: 1800 Vrms
Contact data:
Current Imax = 1 A
Voltage = 24 V DC
See sub-section:
in chapter 3 of this manual.
Drive Enable electrical protections
Connector data
Nr of poles (X2/X7)
8/2
Gap (mm)
5
Min./max. tightening torque (N·m)
0.5/0.6
Screw thread
M3
Min./max. section (mm²)
0.2/2.5
1
GND
0 V DC reference for
Drive Enable and Speed Enable
2
DRIVE
ENABLE
24 V DC.
Drive current enable
0 V DC.
STO (
S
afe
T
orque
O
ff, integrated channel
input)
24 V DC ±10 %, I< 50 mA.
3
SPEED
ENABLE
24 V DC. Drive speed enable.
Out of certification.
MANDATORY.
Install a 1 A slow fuse
- F
of 1 A to limit the current
at the Drive Enable input.
See fuse
- F
in figures
and
Use a
SELV/PELV
power supply for the Drive
Enable and AS1-AS2 circuits.
S
AFE
T
ORQUE
O
FF
Drive Enable input
Содержание DDS APS-24
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Страница 179: ...3 Drives Ref 1912 179 DDS HARDWARE...
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Страница 200: ...4 AUXILIARY MODULES Auxiliary modules Ref 1912 DDS HARDWARE 200...
Страница 260: ...7 Cables Ref 1912 DDS HARDWARE 260...
Страница 397: ...Sales models 12 Ref 1912 397 DDS HARDWARE 12 9 Order example F H12 21 Order example...
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