CAUTION!
Risk of faulty measurements!
The minus pole at the sensors must not have a too big potential difference with
respect to ZP (max. ±1 V).
Make sure that the potential difference never exceeds ±1 V.
The following figure shows the connection of active-type analog sensors (voltage) to differential
analog inputs AI0 and AI1. Proceed with AI2 and AI3 in the same way.
2.0
AI0+
2.1
AI1+
2.2
AI2+
2.3
AI3+
2.4
AI-
2.5
AO0+
2.6
AO1+
2.7
AO-
2.8
UP
2.9
ZP
24 V DC
-
+
+
-
U
IN
The following measuring ranges can be configured
Ä
Chapter 1.7.5.1.7 “Parameterization”
on page 960:
Voltage 0 V...10 V with differential inputs, 2 chan-
nels used
Voltage -10 V...+10 V with differential inputs, 2 chan-
nels used
The function of the LEDs is described under Diagnosis and displays / Displays
Ä
Chapter
1.7.5.1.9 “State LEDs” on page 970.
To avoid error messages from unused analog input channels, configure them as "unused".
Use of Analog Inputs as Digital Inputs
Several (or all) analog inputs can be configured as digital inputs. The inputs are not electrically
isolated against the other analog channels.
The following figure shows the connection of digital sensors to the analog input AI0. Proceed
with the analog inputs AI1 to AI3 in the same way.
Communication Interface Modules (S500) > PROFIBUS
2019/04/17 3ADR010121, 13, en_US 957
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