Device Configuration Interbus 500Kbit/S / Rs 422 - Leuze electronic DDLS 200 Technical Description

INTERBUS Master
DO3
Bus
DO3
terminal
DI3
DI3
COM
Figure 6.2:Connection of the DDLS 200 to the INTERBUS (copper line)
6.2

Device configuration INTERBUS 500kbit/s / RS 422

Device configuration INTERBUS
Changeover incoming/outgoing bus and shielding connection (default: 'Out')
Switch S4 must be used to specify in the DDLS 200 whether the connected bus cable is for the incom-
ing bus (In) or outgoing bus (Out):
Switch S4 Position In:
Position Out:
Incoming bus
set S4 to In
Figure 6.3:Shielding connection for incoming/outgoing bus
Leuze electronic
PLC
Switch S4
Position IN
DO1
DO1
DI1
DI1
COM
Shielding connec-
tion of incoming bus
incoming bus, the shielding connection (clamp) is connected via an RC
circuit to PE.
outgoing bus, the shielding connection (clamp) is connected directly to
PE.
1 MΩ 15 nF
PE
INTERBUS 500kbit/s / RS 422
Switch S4
Position OUT
Shielding connec-
tion of outgoing bus
PE
DDLS 200
DO2 DO1
Sub-
DO2 DO1
scriber
DI2 DI1
DI2 DI1
COM COM
Outgoing bus
set S4 to Out
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