Micropilot FMR60/62/67
24 Endress+Hauser
5. Read the output current at each level value, record it and assess for accuracy.
The test is to be considered successful if the current values in step 3 are within the
required level of accuracy.
• When selecting the "Expert" menu group, a prompt for the access code appears on the display.
If an access code has been defined under "Setup → Advanced setup → Enter access code", this
must be entered here. If no access code was defined, the prompt can be acknowledged by
pressing the "E" key.
• The proof-test is to be considered to have failed if the expected current value deviates for a
specific level by > ±2 %. For troubleshooting, refer to the Operating Instructions (→ 7).
This test identifies 88 % dangerous, undetected failures (proof test coverage, PTC = 0.88).
L
CAUTION
After test sequence D has been passed
‣
SIL mode must be reactivated (→ 12).