Siemens SIMATIC Manual page 303

Properties
Limit value moni- programmable for
toring 2 channels
Hardware interrupt programmable
when limit ex-
ceeded
Hardware interrupt no
at end of cycle
Potential ratios electrically isolated
from:
•
The backplane
bus interface
maximum potential 50 V DC
difference be-
tween inputs (ICM)
Special features -
Z sign
2-DMU = 2-wire transducer
Table 6- 2 Analog input modules (continued)
Properties
SM 331;
AI 2 x 12 Bit
(-7KB02-)
Number of inputs 2 inputs in 1 chan-
nel group
Resolution programmable for
each channel
group:
•
9 bits+sign
•
12 bits+sign
•
14 bits+sign
Measurement type programmable for
each channel
group:
•
Voltage
•
Current
•
Resistance
•
Temperature
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
programmable for programmable for
8 channels 2 channels
programmable programmable
yes no
electrically isolated electrically isolated
from: from:
• •
The backplane The backplane
bus interface bus interface
•
The load volt-
age (not for 2-
DMU)
60 V DC 11 V DC
- -
SM 331; SM 331;
AI 6 x TC AI 8 x TC
(-7PE10-) (-7PF11-)
6 inputs in 1 chan- 8 inputs in 4 chan-
nel group nel groups
Programmable for Programmable for
each channel each channel
group: group:
• •
15 bits+sign 15 bits+sign
Programmable for programmable for
each channel each channel
group: group:
• •
Voltage Temperature
•
Temperature
Module
no
no
No
electrically isolated
from:
•
The backplane
bus interface
2.0 V DC
Motor protection
with PTC and
silicone tempera-
ture sensors
Module
SM 331;
AI 8 x RTD
(-7PF01-)
8 inputs in 4 chan-
nel groups
Programmable for
each channel
group:
•
15 bits+sign
programmable for
each channel
group:
•
Resistance
•
Temperature
Analog modules
6.2 Module overview
programmable for
2 channels
Programmable
no
electrically isolated
from:
•
the CPU
•
The load volt-
age (not for 2-
DMU)
≤ DC 2.3 V
-
SM 331; AI 8 x
0/4...20 mA HART
(-7TF00-)*
8 inputs in 1 chan-
nel group
programmable for
each channel
group:
15 bits+sign
Programmable for
each channel
group:
•
Current
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