3 609 929 B69/2008-11 | NK350 / NK350S
Bosch Rexroth AG
23
ENGLISH
ENGLISH
ITALIANO
ESPAÑOL
PORTUGUÊS
SVENSKA
FRANÇAIS
Device description
Fig. 1: Front view section of NK350/NK350S
1
XDAc1 (female)
2
LEDs for system diagnosis
3
XDAc2 (male)
4
Hex coding switch
(BT356/SB35x address)
XDAc1 interface (female)
This interface is intended for connecting an
NKLx network cable in order to integrate
further participants.
Fig. 2: 9-pin Sub-D socket
1
3
2
1
4
XDAc1
network status
XDAc2
address
Table 2
Pin Signal Description/
function
Voltage/
current/
standard
1
GNDiso Bus reference
potential, isolated to
PE
0 V,
potential-
free
2
-
-
-
3
AC2+
Data bus, positive
differential cable
RS485,
differential
4
AC1+
Control bus, positive
differential cable
RS485,
differential
5
GNDiso Bus reference
potential, isolated to
PE
0 V,
potential-
free
6
-
-
-
7
VEEiso Supply bus, isolated
to PE
10 V-25 V,
potential-
free
8
AC2–
Data bus, negative
differential cable
RS485,
differential
9
AC1–
Control bus, negative
differential cable
RS485,
differential
1
5
6
9