Analog I/O Modules - Siemens SIMATIC Manual

Analog modules
6.2 Module overview
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
Properties
Number of inputs
Number of outputs
Resolution
Measurement type
Output type
Supports isochronous mode
Programmable diagnostics
Diagnostic interrupt
Limit value monitoring
Hardware interrupt when limit is ex-
ceeded
Hardware interrupt at end of cycle
Substitute value output
Potential ratios
Special features
306
SM 334; AI 4/AO 2 x 8/8 Bit
(-0CE01-)
4 inputs in 1 channel group
2 outputs in 1 channel group
8 bits
programmable for each channel group:
•
Voltage
•
Current
per channel:
•
Voltage
•
Current
no
no
no
no
no
no
no
•
connected to potential of the back-
plane bus interface
•
electrically isolated to load voltage
Not programmable, measurement and
output type defined by hardwiring
Modules
SM 334; AI 4/AO 2 x 12 Bit
(-0KE00-)
4 inputs in 2 channel groups
2 outputs in 1 channel group
12 bits + sign
programmable for each channel group:
•
Voltage
•
Resistance
•
Temperature
per channel:
•
Voltage
no
no
no
no
no
no
no
electrically isolated to:
•
backplane bus interface
•
load voltage
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Manual, 06/2017, A5E00105505-AJ
S7-300 Module data