Analog modules
6.10 Analog input module SM 331; AI 8 x TC; (6ES7331-7PF11-0AB0)
S7-300 Automation System Module data
6-86 Manual, 08/2006, A5E00105505-04
Operation of the module on the ET 200M Distributed IO Device
Operation of SM 331; AI 8 x RTD on ET 200M requires one of the following IM 153 x:
● IM 153-1; as of 6ES7153-1AA03-0XB0, V 01
● IM 153-2; as of 6ES7153-2AA02-0XB0, V 05
● IM 153-2; as of 6ES7153-2BA00-0XA0; V 01
● IM 153-2; as of 6ES7153-2AA01-0XB0, V 04
6.10 6.10 Analog input module SM 331; AI 8 x TC; (6ES7331-7PF11-0AB0)
Order number
6ES7331-7PF11-0AB0
Properties
● 8 inputs in 4 channel groups
● Measuring method adjustable per channel group
– Temperature
● Resolution adjustable per channel group (15 bits + sign)
● Measuring range selection any, per channel group
● Programmable diagnostics and diagnostic interrupt
● Limit value monitoring adjustable for 8 channels
● Hardware interrupt can be set when limit exceeded
● High-speed refresh of measured values at up to 4 channels
● Hardware interrupt can be set at end of cycle interrupt
● Electrically isolated to the CPU
Resolution
The measured value's resolution is not dependent on the integration time selected.
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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