Parameter sets of signal modules
A.6 Parameters of analog input module SM 331; AI 8 x TC
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
A-25
Measuring method Code Measuring range Code
Thermocouple, linear, internal comparison 2#1101 B
N
E
R
S
J
L
T
K
U
C
TXK/XK(L)
2#0000
2#0001
2#0010
2#0011
2#0100
2#0101
2#0110
2#0111
2#1000
2#1001
2#1010
2#1011
Thermocouple, linear, external comparison 2#1110 B
N
E
R
S
J
L
T
K
U
C
TXK/XK(L)
2#0000
2#0001
2#0010
2#0011
2#0100
2#0101
2#0110
2#0111
2#1000
2#1001
2#1010
2#1011
Reaction to open thermocouple of SM 331; AI 8 x TC
The table below lists the codes for the reaction to an open thermocouple to enter at the
corresponding byte of data record 128 (refer the previoius figure.)
Table A-17 Codes of the reaction to open thermocouple of SM 331; AI 8 x TC
Reaction to open thermocouple Code
Overflow 2#0
Underflow 2#1
Smoothing of SM 331; AI 8 x TC
The table below lists all smoothing codes to be entered at the corresponding byte of data
record 128 (refer to the previous figure.)
Table A-18 Smoothing codes of SM 331; AI 8 x TC
Smoothing Code
None 2#00
Low 2#01
Average 2#10
High 2#11
See also
Analog modules (Page 6-1)
Parameters of analog input modules (Page A-6)
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