The following SIPLUS S7-300 F function modules are available for use in extreme environmental conditions:

• SIPLUS S7-300 FM350-1;
  counter module, 1 channel up to 500 kHz
• SIPLUS S7-300 FM350-2;
  counter module, 8 channels up to 20 kHz
• SIPLUS SIWAREX U;
  weighing module, 2-channel

SIPLUS S7-300 function modules can be used in the following extreme environmental conditions:

• Extended ambient temperature range of -25 /0 °C to +60 °C
• Where increased resistance to chemical, mechanical and biological loading as well as salt spray is required
• In relative humidity up to 100%
• Conformity with EN 50155