Module overview
3.4 Analog input modules
ET 200MP Distributed I/O System
26 System Manual, 01/2013, A5E03723484-01
3.4 Analog input modules
Overview of properties
The table below shows the essential properties of the analog input modules.
Table 3- 5 Analog input modules
Order no.: 6ES7531-7KF00-0AB0 6ES7531-7NF10-0AB0
Short description AI 8xU/I/RTD/TC ST AI 8xU/I HS
Number of inputs 8 8
Resolution 16 bits (including sign) 16 bits (including sign)
Measurement type Voltage
Current
Resistor
Resistance thermometer
Thermocouple
Voltage
Current
Electrical isolation between channels No No
Rated supply voltage 24 V DC 24 V DC
Maximum potential difference between
inputs (UCM)
10 V DC 10 V DC
Diagnostic interrupt Yes, high and low limit Yes, high and low limit
Hardware interrupt Yes Yes
Isochronous mode supported No Yes
Conversion time (per channel) 9/23/27/107 ms 125 µs, per module, regardless of
number of activated channels
Reference
Additional information on the technical specifications of the modules is available in the
respective manuals.
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