Analog modules
6.5 Analog input module SM 331; AI 8 x 14 Bit High Speed; synchronous; (6ES7331-7HF0x-0AB0)
S7-300 Automation System Module data
6-28 Manual, 08/2006, A5E00105505-04
6.5 6.5 Analog input module SM 331; AI 8 x 14 Bit High Speed; synchronous;
(6ES7331-7HF0x-0AB0)
Order number
6ES7331-7HF00-0AB0 or 6ES7331-7HF01-0AB0
Properties
● 8 inputs in 4 channel groups
● Measuring method adjustable per channel group:
– Voltage
– Current
● Resolution adjustable per channel group (13 bits + sign)
● Measuring range selection any, per channel group
● Programmable diagnostics and diagnostic interrupt
● Limit value monitoring adjustable for 2 channels
● Hardware interrupt can be set when limit exceeded
● High-speed refreshing of measured values
● Isochronous mode supported
● Electrically isolated to the CPU
● Electrically isolated to load voltage (not for 2-wire transducers)
Diagnostics
For information on diagnostics message consolidated at the "group diagnostics" parameter,
refer to the table
Diagnostics messages of analog input modules
.
Hardware interrupts
You can set the hardware interrupts of channel groups 0 and 1 in STEP 7. However, always
set a hardware interrupt only for the first channel of a channel group, i.e. either at channel 0,
or at channel 2
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