Endress+Hauser Liquiphant M FTL50 User manual

BA213F/24/ae/03.06
52005008
Operating Instructions
Liquiphant M FTL50, FTL51
Level Limit Switch

Operating Instructions Liquiphant M FTL50 / FTL51
2 Endress+Hauser
Table of Contents
Safety Instructions
Order Codes
Installation
Setup
Maintenance & Cleaning
Technical Data
Troubleshooting
Spare Parts
Supplemental documentation

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 3
1 Safety Instructions
Safe and secure operation of the unit can only be guaranteed if the operating instructions and all
safety notes are read, understood and followed.
1.1 Approved usage
The Liquiphant M FTL50 and FTL51 is designed for level limit detection in liquids. If used incor-
rectly, it is possible that application-related dangers may arise. The level limit switch Liquiphant M
FTL50 and 51 may be installed, connected, commissioned, operated and maintained by qualified
and authorized personnel only, under strict observance of these operating instructions, any relevant
standards, legal requirements, and, where appropriate, the certificate.
1.2 Safety pictograms and symbols
Safe and reliable operation of this unit can only be guaranteed if the safety hints and warnings in
these operating instructions are followed. The safety hints in these instructions are highlighted using
the following symbols:
"Caution!
This symbol indicates activities and actions that, if followed incorrectly, could lead to faulty opera-
tion or even damage to the unit.
!Note!
This symbol indicates activities and actions that, if followed incorrectly, could have an indirect influ-
ence on the unit operation or could lead to an unforeseen unit reaction.
0- Hazardous area, certified equipment!
If this character is shown on the unit, then it may be operated in hazardous areas.
.Non-hazardous area!
This symbol identifies the non-hazardous areas in these instructions. Units that operate in the non-
hazardous areas but that are connected to the hazardous areas must also be certified.
1.3 Handling
Hold by housing, flange or
extension tube
kA143Y02ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
4 Endress+Hauser
Do not bend.
Do not shorten.
Do not lengthen
2 Order Codes
Product structure
KA143Y03ae.eps
Design Basic weight
FTL50 Compact 1.3 lb 0.6 kg
FTL51 With extension pipe 1.3 lb 0.6 kg
10 Certificates, applications
A Version for non-hazardous area
P FM IS, Class I, II, III Division 1, Group A-G
Q FM XP, Class I, II, III Division 1, Group B-G, for E5 housing Group A-G
R FM NI, Class I Division 2, Group A-D
S CSA IS, Class I, II, III Division 1, Group A-G
T CSA XP, Class I, II, III Division 1, Group A-G
U CSA General Purpose
YSpecialversion
ATEX and TIIS certified units available
on request
20 Process connection, material Additional weight
Note: For 1450 psi (100 bar) process pressure, please select the appropriate option under "Additional option"
Installation in welding neck accessory
GM2 ¾" NPT Thread ANSI 316L
GM5 ¾" NPT Thread ANSI Alloy C4
GN2 1" NPT Thread ANSI 316L 0.4 lb 0.2 kg
GN5 1" NPT Thread ANSI Alloy C4 0.4 lb 0.2 kg
A82 1" 150 lb RF Flange ANSI B16.5 316/316L 2.2 lb 1.0 kg
AA2 1-¼" 150 lb RF Flange ANSI B16.5 316/316L 2.6 lb 1.2 kg
AB2 1-¼" 300 lb RF Flange ANSI B16.5 316/316L (FTL 51) 4.4 lb 2.0 kg
AC2 1-½" 150 lb RF Flange ANSI B16.5 316/316L 3.3 lb 1.5 kg
AD2 1-½" 300 lb RF Flange ANSI B16.5 316/316L (FTL 51) 6.0 lb 2.7 kg
AE2 2" 150 lb RF Flange ANSI B16.5 316/316L 5.3 lb 2.4 kg
AE5 2" 150 lb RF Flange ANSI B16.5 Alloy C4 >316/316L 5.3 lb 2.4 kg
AF2 2" 300 lb RF Flange ANSI B16.5 316/316L 7.1 lb 3.2 kg
AG2 2" 600 lb RF Flange ANSI B16.5 316/316L (FTL 51) 9.3 lb 4.2 kg
AJ2 2-½" 300 lb RF Flange ANSI B16.5 316/316L (FTL 51) 10.6 lb 4.8 kg
AL2 3" 150 lb RF Flange ANSI B16.5 316/316L 10.8 lb 4.9 kg
AM2 3" 300 lb RF Flange ANSI B16.5 316/316L (FTL 51) 15 lb 6.8 kg
AN2 3" 600 lb RF Flange ANSI B16.5 316/316L (FTL 51)
AP2 4" 150 lb RF Flange ANSI B16.5 316/316L 15.4 lb 7.0 kg
AQ2 4" 300 lb RF Flange ANSI B16.5 316/316L (FTL 51) 25.4 lb 11.5 kg
AR2 4" 600 lb RF Flange ANSI B16.5 316/316L (FTL 51) 38.1 lb 17.3 kg
TC2 DN 25-38 (1 to 1-½") ISO 2852 Tri-Clamp 316L 0.2 lb 0.1 kg
TE2 DN 40-51 (2") ISO 2852 Tri-Clamp 316L 0.7 lb 0.3 kg
YY9 Special version
Other process connections available, contact Endress+Hauser

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 5
30 Length, spacer, pressure tight bushing
FTL50
AA Compact Ra <3.2 µm/80 grit
IA 66 mm / 2.6" + temperature spacer 1.3 lb 0.6 kg
QA 66 mm / 2.6" + pressure tight bushing 1.5 lb 0.7 kg
FTL51
CB ....... in (6 in to 115 in) Ra 3.2 µm 316L**
CE ....... in (6 in to 115 in) Ra 3.2 µm Alloy C4** 5 lb (2.3 kg)/100 in
DB Length II* Ra 3.2 µm 316L 0.2 lb 0.1 kg
DE Length II* Ra 3.2 µm Alloy C4 0.2 lb 0.1 kg
KB ....... in (6 in to 115 in)
+ temperature spacer
316L** 5 lb (2.3 kg)/100 in
+1.3 lb (+0.6 kg)
KE ....... in (6 in to 115 in)
+ temperature spacer
316L** 5 lb (2.3 kg)/100 in
+1.3 lb (+0.6 kg)
LB Length II*
+ temperature spacer
316L 0.2 lb
+1.3 lb
0.1 kg
+0.6 kg
LE Length II*
+ temperature spacer
Alloy C4 0.2 lb
+1.3 lb
0.1 kg
+0.6 kg
SB ....... in (6 in to 115 in)
+ pressure tight bushing
316L** 5 lb (2.3 kg)/100 in
+1.5 lb +0.7 kg
SE ....... in (6 in to 115 in)
+ pressure tight bushing
Alloy C4** 5 bl (2.3 kg)/100 in
+1.5 lb +0.7 kg
TB Length II*
+ pressure tight bushing
316L 0.2 lb
+1.5 lb
0.1 kg
+0.7 kg
TE Length II*
+ pressure tight bushing
Alloy C4 0.2 lb
+1.5 lb
0.1 kg
+0.7 kg
YY Special version
*) Replacing instruments: when vertically mounting a Liquiphant M
FTL51 with length II, the switch point is at the same height as for the
Liquiphant II FTL360, FTL365, FDL30, FDL35
**) order 3001 to 6000 mm (116 to 235 in) via yy
40 Electronic insert
1 FEL51* Contact-free two-wire, 19 to 253 V AC
2 FEL52* PNP three-wire, 10 to 55 V DC
4 FEL54 Floating change-over contacts, DPDT, 19 to 253 V AC, 19 to 55 V DC
5 FEL55 8/16 mA, 11 to 36 V DC
6FEL56 NAMUR
7 FEL57 Two-wire PFM
8 FEL58* NAMUR with push button (disconnects wire)
9 Special version
*) Also available in compact housing
50 Housing, cable entry
C3 Compact housing 316L IP66/68 5m cable
D3 Compact housing 316L IP65 Pg11 connector
E3 Compact housing 316L NEMA4x NPT1/2" connector
N3 Compact housing 316L IP66/68 M12 connector
E4 Polyester housing Nema 4x, NPT ½"
E5 Aluminum housing Nema 4x,NPT ¾" 1.1 lb/0.5 kg
E6 316L housing Nema 4x, NPT ½" 0.2 lb/0.1 kg
E7 Aluminum housing IP66 NPT ¾",
with separate connection compartment
2.0 lb/0.9 kg
Y9 Special version
60 Additional fittings
A No additional fittings
C 3.1.B material, wetted parts 316L,
Inspection certificate to EN 10204, in accordance with Specification 52005759
N NACE 3.1.B
P 1450 psi (100 bar) process pressure (FTL51)
R 1450 psi (100 bar) process pressure, EN 10204 - 3.1 material, NACE
MR0175 (316L wetted parts) (FTL51)
Inspection certificate
S GL marine approval (FTL 51: max. length 63"/1600 mm)
Y Special version
FTL 5# - Complete product designation

Operating Instructions Liquiphant M FTL50 / FTL51
6 Endress+Hauser
3 Installation
3.1 Application
Level limit detection in
liquids
3.2 Measuring System
For direct connection
KA143Y10ae.eps
"T"
…
Order code:
FTL5#-###### ####
FEL 5
FEL 5
FEL 5
1
2
4
Electronic inserts
External load
KA143Y11ae.eps

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 7
For connection via
switching unit
3.3 Installation
Switchpoint depends on
mounting position
!Note!
The switchpoints of the Liquiphant Mare at different positions than those of the previous version
Liquiphant II.
Order code:
FTL5#-###### ####
FEL 5
FEL 5
FEL 5
FEL 5
5
6
7
8
Electronic insert
KA143Y12ae.eps
…
E X E X
I.S.
*)
FTL…,
SIF…, SIN…,
FXN…
*) Switching unit, PLC,
isolating amplifier
KA143Y13ae.eps
KA143Y15ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
8 Endress+Hauser
Mounting examples as a
function of liquid viscosity
Consider buildup.
Fork may not contact the
buildup
min. 1 in
min. 25 mm()
min. 1.5 in
(min. 40 mm)
min. 2"
(min. DN 50)
**
n= 0 - 10,000 cP
n= 0 - 2000 cP
*Deburr
KA143Y16ae.eps
*
*
*Distance
KA143Y17ae.eps

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 9
In cases of dynamic forces
support
Allow clearance
KA143Y18ae.eps
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .
.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
"T"
"T" = with temperature spacer for insulated tanks
KA143Y19ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
10 Endress+Hauser
Orientation of fork tines:
marking above or below
Screw Liquiphant into
process connection.
DON’T use housing to turn.
KA143Y20ae.eps, KA143Y21ae.eps
A
41
41
B
!
41
P
T
F
E
T
E
F
L
O
N
¾ NPT, R ¾, G ¾ A, SW ( )
1 NPT, R 1, G 1 A, SW ( )
1¼" 32 mm
1 " 41 mm
58
Above or below
G ¾ A, SW ( )
G 1 A, SW ( )
1¼" 32 mm
1 " 41 mm
58
KA143Y22ae.eps

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 11
Orientation in pipes:
marking in direction of
flow
Cable entry orientation
*Torque
Ø
(ø )
min. 2"
min. 50 mm
Max. 16 ft/s
5 m/s(max. )
KA143Y23ae.eps
12
3to4
turns *
0.9 Nm
12 12
... 270°
... 300°
1. 2. 3.
F16, F13, F17
F15
KA143Y24ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
12 Endress+Hauser
4Setup
Minimum/maximum fail-
safe mode
Liquid density.
Density ρmeasured in
g/cm3(SGU) or in kg/l
0V
Max.
Max.
Min.
Min.
KA143Y25ae.eps
lbs
5.9
1US gal
lbs
4.2
1US gal
r
r
1 US. gal = min. 5.9 lbs
(1 l (1 dm³) = min 0.7 kg)
(1 imp.gal = min. 7.0 lbs)
0V
> 0.7 ( 5.9 lbs.)r
FEL , FEL , FEL , FEL , FEL , FEL , FEL51 52 54 55 56 57 58
> 0.5
( 4.2 - 5.9 lbs.)r
1 US. gal = 4.2 - 5.9 lbs
1l(1dm³) = 0.5 - 0.7 kg
(1 imp.gal = 5.0 - 0.7 lbs)
()
Standard
e.g. Propane
KA143Y26ae.eps

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 13
Self test FEL57 (See page 21 and
switching unit for
sequence)
4.1 Display elements
FEL 57
STD
~8s
~41s
EXT
+–
Switching unit
With corrosion test
Standard
KA143Y27ae.eps
KA143Y38ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
14 Endress+Hauser
4.2 Connections, Function
Max. AWG 14
1/8 in
3 mm()
(Max. )2,5 mm²
Max. AWG 12
(Max. )4 mm²
FEL…
Note national regulations!
KA143Y29ae.eps

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 15
Connections FEL51
Two-wire AC connection
Function FEL51
∆VFEL51 max. 3V
KA143Y30ae.eps
KA143Y39ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
16 Endress+Hauser
Connections FEL52
DC connection (PNP)
Function FEL52
∆VFEL52 max. 3V
KA143Y31ae.eps
KA143Y40ae.eps

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 17
Connections FEL54
Universal connection
Relay output
Function FEL54
KA143Y32ae.eps
Max.
Min.
GN RD
354
354
687
687
354
3
3
3
5
5
5
4
4
4
687
6
6
6
8
8
8
7
7
7
FEL 54
FEL 54
1 2 6 7 83 4 5
V 0 V 1
2
KA143Y41ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
18 Endress+Hauser
Connections FEL55
Output
8/16 mA
Function FEL55
R
IS
11 - 36 VDC
R=
max .
11 V
16.8 mA
+–
12
E
X
E X
FEL 55
e.g. PLC, AI modules
Hazardous Area
Non-Hazardous
Area
FM
KA143Y33ae.eps
Max.
Min.
GN RD FEL 55
~ 8 mA 1
~ 16 mA 1
~ 16 mA 1
~ 8 mA 1
FEL 55
1 2
< 3.6 mA
1
+ 2
+ 2
+ 2
+ 2
+ 2
KA143Y42.eps

Liquiphant M FTL50 / FTL51 Operating Instructions
Endress+Hauser 19
Connections FEL56
NAMUR output L-H
<1.0 mA / >2.2 mA
Function FEL56
H
L
I
H 2.2 - 2.8 mA
0.6 - 1.0 mAL
+–
IS
12
E
X
E X
FEL 56
e.g. FXN 421, FXN 422, SIN 100, SIN 110
FTL 325N, FTL 375N
Multiplexer: pulse cycle minimum 2 sduty
Hazardous
Area
Non-Hazardous
Area
FM
Isolating amplifier to
NAMUR (IEC 60947-5-6)
KA143Y34ae.eps
0.6…
1.0 mA
0.6…
1.0 mA
2.2…
2.8 mA
2.2…
2.8 mA
2.2…
2.8 mA
Max.
Min.
FEL 56
GN RD
FEL 56
12
1
1
1
1
1
+2
+2
+2
+2
+2
KA143Y43ae.eps

Operating Instructions Liquiphant M FTL50 / FTL51
20 Endress+Hauser
Connections FEL57
PFM output
150 Hz/50 Hz
Function FEL57
IS
+–
12
E
X
E X
78
33 34
37 38
Nivotester
FTL 320, FTL 120Z
FTL 325 P CH1
FTL 325 P CH3
FTL 370/372, FTL 170Z
FTL 375 P CH1
Input 1
FTL 372, FTL 170Z
FTL 375 P CH2
Input 2
FTL 375 P CH3
Input 3
Commutec S
SIF 101, SIF 111
d4 d2
z4 z2
z6 d6
21
FEL 57
HH 150 Hz
50 Hz
LL
f
Note function!
Hazardous
Area
Non-Hazardous
Area
See page 21
FM
KA143Y35ae.eps
0Hz
0Hz
150 Hz
I
t
I
t
I
t
I
t
50 Hz
FEL 57
GN YE
V0V 1
2
FEL 57
*
*Switch-on behavior
See page 21
KA143Y44ae.eps