Program memory modules / Interface modules
8-24 Hardware - SIMADYN D
Edition 04.2011
8.6.2 Application information
Plant/system-side signal voltages of 48V or 24V DC can be processed
using the interface module. The plant/system side of the module has 8
electrically isolated input channels. Using short-circuit connectors (X11),
the connection of each channel can be electrically isolated from one
another, or connected to a common reference point:
Plant/system side
System side
Electrical
isolation
X2
1/11
SB61
X11
X4
M24V/48V
P24V/48V
51
32
41
2P
2M
Fig. 8-9 Position of the jumpers for inputs which are electrically isolated with respect to
one another
Plant/system side
System side
Electrical
isolation
X2
1/11
SB61
X11
X4
M24V/48V
P24V/48V
51
32
41
2P
2M
Fig. 8-10 Position of the jumpers for inputs with common reference potential
!
CAUTION
When supplied, all outputs have a common reference potential, i. e.
terminal pair X11 to X18 is equipped with two short-circuit connectors.
Electrically-
isolated inputs
(floating)
Inputs with
common reference
potential
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