Safety Switching - Endress+Hauser nivocompact FTC 831 Installation And Operating Manual

Nivocompact FTC 831

Safety Switching

Fig. 16
Selecting the safety switching and function.
20
By using the rotary switch, select the fail-safe mode for your particular
application:
• Maximum fail-safe: The circuit is blocked if the probe is covered or the
power supply fails.
• Minimum fail-safe: The circuit is blocked if the probe is covered or the
power supply fails.
Changing the fail-safe mode also changes the LED status indication.
Calibration