Analog Value Processing
S5-115F Manual
Connecting transducers
In the case of two-wire transducers, the supply voltage is fed via the range card of the analog
input module and is inherently short-circuit-proof.
Four-wire transducers have a separate supply voltage.
Figure 6-6 shows how to connect transducers.
Figure 6-6. Connecting Transducers
Range card
6ES5 498-
1AA7
1
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Two-wire transducers
Four-wire transducers
+ I
-
Trans-
ducer
M -
M+
Module
Reference bus
M -
M+
Module
V
C
(220V)
+ I
-
Trans-
ducer
Reference bus
Range card
6ES5 498-
1AA51
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I=4 to 20 mA
I=4 to 20 mA
6.2.2
Startup of the 460 Analog Input Module
You can set different measuring ranges on the module. For this purpose, voltage dividers or shunts
must be plugged into the input module in the form of cards ( Table 6-1). They adapt the process
signals to the input level of the module.
Plugging in range cards
Two range cards can be plugged into the 460 analog input module. One card defines the
measuring range of four inputs.
We offer voltage dividers, shunts and through connection cards for different measuring ranges
( Table 6-1).
6-8
EWA 4NEB 811 6148-02
