Analog modules
6.2 Module overview
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
6-7
6.2.3 Analog IO modules:
Overview of properties
The table below shows the essential properties of analog IO modules
Table 6-4 Analog IO modules: Overview of properties
Properties SM 334; AI 4/AO 2 x 8/8 bits
(-0CE01-)
SM 334; AI 4/AO 2 x 12 bits
(-0KE00-)
Number of inputs 4 inputs in 1 channel group 4 inputs in 2 channel groups
Number of outputs 2 outputs in 1 channel group 2 outputs in 1 channel group
Resolution 8 bits 12 bits + sign
Measuring method adjustable for each channel group:
• Voltage
• Current
adjustable for each channel group:
• Voltage
• Resistance
• Temperature
Output type each separate channel:
• Voltage
• Current
each separate channel:
• Voltage
Supports isochronous mode No No
Programmable diagnostics No No
Diagnostic interrupt No No
Limit value monitoring No No
Hardware interrupt when limit
exceeded
No No
Hardware interrupt at end of cycle No No
Substitution value output No No
Potential ratios
• electrically interconnected to
backplane bus interface
• electrically isolated to load voltage
electrically isolated to:
• backplane bus interface
• load voltage
Special features Not programmable, measurement and
output type defined by hardwiring
-