Endress+Hauser Liquiphant M FTL50 - Function test button FEL58 Fail-safe mode MAX; Function test button FEL58 Fail-safe mode MIN

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 23
Function test button FEL58
Fail-safe mode MAX
Function test button FEL58
Fail-safe mode MIN
*
T
T
Ex d
Ex d
MAX
GN
1Hz
YE
0.6…
1.0 mA
1
+
2
GN YE
0mA
1
+
2
GN
1Hz
YE
2.2…
3.5 mA
1
+
2
GN
1Hz
YE
0.6…
1.0 mA
1
+
2
1. Normal operation
GN YE
2.2…
3.5 mA
1
+
2
1Hz
2. Press test button
3. Release the test button,
after ~2 s normal operation
GN YE
0mA
1
+
2
>3 s
T
+
KA143Y64ae.eps
*
T
T
Ex d
Ex d
MIN
GN
1Hz
YE
0.6…
1.0 mA
1
+
2
GN YE
0mA
1
+
2
GN
1Hz
YE
2.2…
3.5 mA
1
+
2
GN
1Hz
YE
0.6…
1.0 mA
1
+
2
1. Normal operation
GN YE
2.2…
3.5 mA
1
+
2
1Hz
2. Press test button
3. Release the test button,
after ~2 s normal operation
GN YE
0mA
1
+
2
>3 s
T
+
KA143Y65ae.eps