Siemens SIMATIC S7-300 Reference Manual page 213

Table 4-4 Analog Input/Output Modules: Characteristics at a Glance
Module
Characteristics
Number of inputs
Number of outputs
Resolution
Measuring Method
Output type
Supports clocked
operation
Programmable diagnostics
Diagnostic interrupt
Limit value monitoring
Hardware interrupt upon limit
violation
Hardware interrupt at end of
cycle
Substitute value output
Potential relationships
Special Features
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
SM 334;
AI 4/AO 2 x 8/8 bits
(-0CE01-)
4 inputs in 1 channel group
2 outputs in 1 channel group
8 bits
Adjustable for each channel
group:
•
Voltage
•
Current
Channel by channel:
•
Voltage
•
Current
No
No
No
No
No
No
No
•
Non-isolated to CPU
•
Galvanic isolation to load
voltage
Not parameterizable, setting of
measurement and output type by
means of wiring
Analog Modules
SM 334;
AI 4/AO 2 x 12 bits
(-0KE00-)
4 inputs in 2 channel groups
2 outputs in 1 channel group
12 bits + sign
Adjustable for each channel
group:
•
Voltage
•
Resistors
•
Temperature
Channel by channel:
•
Voltage
No
No
No
No
No
No
No
Galvanic isolation to:
•
CPU
•
Of the load voltage
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