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18 /64 Bosch Rexroth AG | Electric Drives and Controls
5 Commissioning
Impermissible assignments: SMeth can-
not be used. SMpdp, SMibs and SMser
can each be used once only.
For safety and EMC reasons, close off slots
that are not occupied by Rexroth interface
modules with BP302 dummy panels, order
no. 3 608 871 392.
3 Min
Insert the modules into the SEH312 tighten-
ing controller from the front and secure them
with bolts against unintended loosening.
Before inserting the in-
terface modules, the
system boxes or
BT300 card rack must
be switched to neutral
and a discharging time
of ≥ 3 minutes must be
taken into account.
SEH312 | 3 609 929 985/1.0
5.5
Interface X 22: Sensor system
This interface is used to connect the X 2 in-
terface on the LTH12 servo amplifier for
Smart Tools.
1
8
9
15
Figure 6: Sub-D plug, 15-pin
Pin Signal
Description
1 SHEATH
Connected to
housing
2 /CLK
Serial cycle
3 /DATA
Receiving data,
torque
4-
-
n.c.
5
6 0 V
Reference
potential, hand-
held nutrunner
7 AUTO 0
Switch over data
format
8 -
n.c.
9 CLK
Serial cycle
10 DATA
Receiving data,
torque
11
-
n.c.
-
12
13 0 V
Reference
potential, hand-
held nutrunner
14 24VSE
Power supply
from SEH312 for
measurement
transducer
15 -
n.c.
Table 7:
I/O Signal
form
-
-
O
RS422
I
RS422
-
-
-
0 V
O
24 V
-
-
O
RS422
I
RS422
-
-
-
-
-
24 V
-
-
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