Siemens SIMATIC - Page 303

Analog modules
6.2 Module overview
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
303
Properties
Module
Limit value moni-
toring
programmable for
2 channels
programmable for
8 channels
programmable for
2 channels
no programmable for
2 channels
Hardware interrupt
when limit ex-
ceeded
programmable programmable programmable no Programmable
Hardware interrupt
at end of cycle
no yes no No no
Potential ratios
electrically isolated
from:
• The backplane
bus interface
electrically isolated
from:
• The backplane
bus interface
electrically isolated
from:
• The backplane
bus interface
• The load volt-
age (not for 2-
DMU)
electrically isolated
from:
• The backplane
bus interface
electrically isolated
from:
• the CPU
• The load volt-
age (not for 2-
DMU)
maximum potential
difference be-
tween inputs (ICM)
50 V DC 60 V DC 11 V DC 2.0 V DC ≤ DC 2.3 V
Special features - - - Motor protection
with PTC and
silicone tempera-
ture sensors
-
Z sign
2-DMU = 2-wire transducer
Table 6- 2 Analog input modules (continued)
Properties
Module
SM 331;
AI 2 x 12 Bit
SM 331;
AI 6 x TC
SM 331;
AI 8 x TC
SM 331;
AI 8 x RTD
SM 331; AI 8 x
0/4...20 mA HART
(-7KB02-)
(-7PE10-)
(-7PF11-)
(-7PF01-)
(-7TF00-)*
Number of inputs 2 inputs in 1 chan-
nel group
6 inputs in 1 chan-
nel group
8 inputs in 4 chan-
nel groups
8 inputs in 4 chan-
nel groups
8 inputs in 1 chan-
nel group
Resolution programmable for
each channel
group:
• 9 bits+sign
• 12 bits+sign
• 14 bits+sign
Programmable for
each channel
group:
• 15 bits+sign
Programmable for
each channel
group:
• 15 bits+sign
Programmable for
each channel
group:
• 15 bits+sign
programmable for
each channel
group:
15 bits+sign
Measurement type programmable for
each channel
group:
• Voltage
• Current
• Resistance
• Temperature
Programmable for
each channel
group:
• Voltage
• Temperature
programmable for
each channel
group:
• Temperature
programmable for
each channel
group:
• Resistance
• Temperature
Programmable for
each channel
group:
• Current