Siemens SIMATIC ET 200PA SMART Operating Instructions Manual page 181

Redundant connection of a 4-wire transducer
①
* The Zener diodes 5.1 V (e.g., BZX85C5V1) are only required if a module is pulled and the
system should continue to run.
Technical specifications of the AI 16 x 16 Bit
Technical specifications
Dimensions and weight
Dimensions W x H x D (mm)
Weight
Module-specific data
Number of inputs
Number of supply outputs
Cable length, shielded
MTBF
ET 200PA SMART
Operating Instructions, 06/2019, A5E34192013-AB
1
1
Redundancy jumper
ET 200PA SMART I/O modules
10.4 Analog input modules
40 x 125 x 117
Approx. 280 g
16
16
Max. 800 m
50 years
181