Commissioning The Sm 331; Ai 8 X Tc - Siemens SIMATIC S7-300 Reference Manual
Programmable logic controllers module data
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4.24.1
Commissioning the SM 331; AI 8 x TC
You set the mode of operation of the SM 331; AI 8 x TC bits in STEP 7.
Parameter
You will find a description of the general procedure for assigning parameters to
analog modules in Section 4.7.
Parameterization restrictions when using the analog input module SM 331;
AI 8 x TC with PROFIBUS masters that only support DPV0.
When you use the analog input module SM 331; AI 8 x TC in an ET 200M
PROFIBUS slave system with a PROFIBUS master which is not an S7 master,
certain parameters are not permitted. Masters that are not S7 masters do not
support hardware interrupts. So all the parameters associated with these functions
are deactivated. The deactivated parameters are hardware interrupt enable,
hardware restrictions and end-of-scan-cycle interrupt enable. All the other
parameters are permitted.
An overview of the parameters that you can set and their default settings are
shown in the table below.
Table 4-73 Parameters of the SM 331; AI 8 x TC
Parameter
Enable
•
Diagnostic interrupt
•
Hardware interrupt
upon limit violation
•
Hardware interrupt
at end of cycle
Trigger for hardware
interrupt
•
Upper limit value
•
Lower limit value
Diagnostics
•
Group diagnostics
•
With wire-break
check
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Value Range
Yes/no
Yes/no
Yes/no
32511 to –32512
–32512 to 32511
Yes/no
Yes/no
Analog Modules
Default
Para-
Settings
meter
Type
No
No
Dynamic
No
32767
Dynamic
-32768
No
Static
No
Scope
Module
Channel
Channel
group
4-143
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