Characteristics and Technical Specifications of the SM 335
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SM 335 – High-Speed Analog Input/Output Module for the SIMATIC S7-300
6ES7 335-7HG00-8BA1
1.1 Characteristics features of the SM 335
Characteristic features
The SM 335; AI4/AO4 14/12 bit has the following characteristic features:
Analog inputs:
• Four isolated analog inputs
• Integrated 10 V/25 mA sensor power supply
• Measured-value resolution:
– Bipolar: 13 bits + sign
– Unipolar: 14 bits
• Selectable measured value:
– Two voltage inputs
– Two inputs, which can be used as either current or voltage inputs
Analog outputs:
• Four isolated analog outputs
• Selectable range for each analog output
For the analog outputs, you can connect loads over a two-wire connection only!
• Analog value resolution:
– Bipolar: 11 bits + sign
– Unipolar: 12 bits
Operating modes:
• 2 standard operating modes:
– Free cycle
– Conditional cycle
• 2 special operating modes:
– Comparator
– Measuring Only
Interrupts/diagnostics:
• Programmable diagnostics
• Programmable diagnostic interrupt
• Programmable end-of-cycle interrupt (generates a hardware interrupt on the
CPU)
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