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.
-
3.2 Signals
No fault indication w
ill
appear any earlier than about 1 s after
power-up.
3.2.1 Ready/fault signal
The ready
indication
can be changed into a fault indication by removing diode VB on the
power supply module
(GO).
A fault ind
ication
occurs if the
±
15
V
monitoring,
the
DC
link voltage monitoring (UZK
~)
or
if the "Speed controller at maximum" monitoring
operate.
The ready ind icati o n occurs if none of the aforementioned fault cond
itions
applies and if the
enable signal is present at terminals 63 and
64.
3.2.2 Reset fault memories
The fault memories in the chopper can be reset by applying an
M
signal
to terminal
R of
connector
Xll1
on the power supply module or by switching the unit off and then on again.
NOTE
The DC-link voltage must have dropped to at least
25
V before the unit is switched on
again to ensure that an internal reset
signal
is
generated.
The link voltage takes
approximately
10
s (depending on chopper version) to drop to the correct value
.
--
3.2.3 12t signal
Terminal
5
at location +
GO-Xll1
provides a common output (open collector) for this signal
for all
axes.
A relay can be connected across this output and terminal 7 or some other power
supply (connect freewheel
diode
in parallel
!) (Fig.
3.12)
.
The relay is activated when the
signal is active.
Relay data: UN
=
12
Vor
15
V, IN
:S
50
mAwhen using the internal voltage at terminal
7.
When using an external voltage of
24
V, a
24
V relay can be used (UN
=
24
V,
IN
:S
SO
mAl.
If terminalS is direct-connected to the programmable logic controller (PLC), a pull-up
re-
sistor of 1.0 kQ (1.0 W) must be connected to terminals 5 and 7 or some other power supply
(indication
active
s
L signal)
(Fig. 3.13).
Fig.
3
.
12
Connection
ofa relay
51------'
- - - - - '
PLC
1,0
krl
lW
51---111------
Fig
.
3
.13
Connection
to the PLC
resistor
only necessary with power supplies
6SC6100·0GAOO and ·OGBOO
+
GO-Xlll
DC 18 to 30 V,
l
max
=
50 mA
7
1---
-
--,
+GO-Xll1
-
SiemensAG
GWE462112
.9600.76Jg-l0l
SIMODRIVE Inst ruct io ns
33
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