Device Drawings and Connections
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netTAP NT 50 | Gateway Devices
DOC091202UM09EN | Revision 9 | English | 2013-02 | Released | Public
© Hilscher, 2010-2013
4.4.2
Galvanic Isolation of NT 50-xx-RS
The device types NT
50-CC-RS, NT
50-CO-RS, NT
50-DN-RS and
NT 50-DN-RS has three galvanically isolated areas. The coupling to PE is
shown in the following figure and in the following table.
Figure 6: Galvanic Isolation of NT 50-xx-RS Devices
Area
Connec-
tion
Protocol
galv. Iso-
lation
Coupling
Coupling against PE
potential
Functional earthing to
PE
HF
Cf = 10 nF / 500 V,
Lf = 47
μ
H
X1
-
no
Cx1
4 * 10 nF / 500 V
no
CC-Link inductive
Cx2
3,3 nF / 1000 V
directly
CANopen optisch Cx2
1 M
Ω
// 15 nF / 1000 V
directly via the metal
connection of the D-Sub
male connector
DeviceNet optically Cx2
1 M
Ω
// 15 nF / 1000 V
Combicon Pin 3
1 M
Ω
// 15 nF 1000V
X2
Profibus DP
inductive
Cx2
1 M
Ω
// 2,2 nF / 1000
V
directly via the metal
connection of the D-Sub
female connector
X3
Teil
Ethernet,
only for diag-
nostic
inductive
Cx3
2 * 75
Ω
, 1 nF / 2000 V
Directly via the metal
connection of RJ 45
sockets
X3
Teil
RS232
RS422
RS485
no
Directly via the metal
connection of RJ 45
sockets
Table 31: Coupling NT 50-xx-RS Devices
