Siemens Simatic S7-300

Analog modules
6.2 Module overview
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
6-3
6.2 6.2 Module overview
Introduction
The tables below summarize the essential properties of the analog modules. This overview
supports you in selecting a module to suit your requirements.
6.2.1 Analog input modules:
Overview of properties
The table below shows essential properties of the analog input modules
Table 6-1 Analog input modules: Overview of properties
Module
Properties
SM 331; AI 8 x 16 Bit
(-7NF00-)
SM 331; AI 8 x 16 Bit
(-7NF10-)
SM 331; AI 8 x 14 Bit
High Speed
(-7HF0x-)
SM 331; AI 8 x 13 Bit
(-1KF01-)
Number of inputs 8 inputs in 4 channel
groups
8 inputs in 4 channel
groups
8 inputs in 4 channel
groups
8 inputs in 8 channel
groups
Resolution adjustable for each
channel group:
• 15 bits+sign
adjustable for each
channel group:
• 15 bits+sign
adjustable for each
channel group:
• 13 bits+sign
adjustable for each
channel group:
• 12 bits+sign
Measuring method adjustable for each
channel group:
• Voltage
• Current
adjustable for each
channel group:
• Voltage
• Current
adjustable for each
channel group:
• Voltage
• Current
configurable per
channel:
• Voltage
• Current
• Resistance
• Temperature
Measuring range
selection
any, per channel group any, per channel group any, per channel group any, per channel
Supports
isochronous mode
No No Yes No
Programmable
diagnostics
Yes Yes Yes No
Diagnostic interrupt adjustable adjustable adjustable No
Limit value
monitoring
adjustable for 2
channels
adjustable for 8
channels
adjustable for 2
channels
No
Hardware interrupt
when limit
exceeded
adjustable adjustable adjustable No
Hardware interrupt
at end of cycle
No Yes No No