Siemens S7-300 - 9 Analog modules

Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
181
Analog modules
9
9.1 Introduction
In this chapter
Two fail-safe, redundancy-capable analog modules of the S7-300 module line are available
for connecting analog sensors/encoders:
● the SM 336; AI 6 x 13Bit,
● the SM 336; F-AI 6 x 0/4 ... 20 mA HART.
Information on fail-safe analog modules provided in this chapter:
● Properties
● Module view and block diagram
● Applications, including the wiring diagrams and parameter settings
● Diagnostic messages, including corrective measures
● the HART messages (SM 336; F-AI 6 x 0/4 ... 20 mA HART only) and
● Technical data
WARNING
The fail-safe performance characteristics in the technical data apply to a module-dependent
proof-test interval and a mean time to repair of 100 hours.