Liquicap M FMI51 HART Diagnostics and troubleshooting
Endress+Hauser 79
3. Verify the probe.
4. Change the installation position. Do not mount probe in a filling curtain.
5. Check ground from process connection to the tank wall. R < 1 Ω.
6. For conductive media, check the probe insulation. R > 800 kΩ.
7. Increase output damping, if the surface is turbulent.
A0040621
19 Electronic insert contacts
1 Guard
2 SDA_TXD
3 GND
4 GND EEPROM
5 GND
6 DVCC 3 V
DC
7 Probe
8 SCL RXD
8.4 Firmware history
Firmware V 01.00.zz / 08.2005
Updates:
• original-firmware
• operable with FieldCare version 2.08.00 and higher
Firmware V 01.03.zz / 02.2007
Updates:
expansion feature suitable for SIL 2 applications