Analog modules
6.2 Module overview
S7-300 Module data
306 Manual, 06/2017, A5E00105505-AJ
6.2.3 Analog I/O modules
Overview of properties
The table below shows the analog IO modules based on their essential properties
Table 6- 4 Analog IO modules: Overview of properties
SM 334; AI 4/AO 2 x 8/8 Bit
(-0CE01-)
SM 334; AI 4/AO 2 x 12 Bit
(-0KE00-)
4 inputs in 1 channel group
4 inputs in 2 channel groups
2 outputs in 1 channel group
2 outputs in 1 channel group
Resolution 8 bits 12 bits + sign
Measurement type programmable for each channel group:
• Voltage
• Current
programmable for each channel group:
• Voltage
• Resistance
• Temperature
Output type per channel:
• Voltage
• Current
per channel:
• Voltage
Supports isochronous mode
Hardware interrupt when limit is ex-
no no
Hardware interrupt at end of cycle
Potential ratios
• connected to potential of the back-
plane 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
-