Endress+Hauser soliphant II FTM 30 DR User manual

soliphant II
FTM30/31/32 DR
LevelLimitSwitch
Operating Instructions
Hauser+Endress
Nothing beatsknow-how
BA175F/00/en/08.98

Quick guide
Quick Start Adjusters and LEDs are on the electronic insert
in the separate housing T3.
Adjustment and function
Max.= Maximum fail-safe
Min. = Minimum fail-safe
= LED on
= LED off
Min.
Max.
B
<12V∆U
I
12
<4mA
I
12
FEM 41
12
<12V∆U
I
12
<4mA
I
1
2
red
red
red
Electronic insert FEM 41
for two-wire
AC power supply.
Electronic switch
FEM 44
12 345
3
3
4
4
5
5
Min.
Max.
345
345
B
red red
red
Electronic insert FEM 44
for universal power supply.
Relay output
with one potential-free
changeover contact (SPDT)
Min.
Max.
B
AFEM 45
43215789
71 82 93
71 82 93
71 82 93
71 82 93
red red
red
Switching delay
Page 20
green
Standby
Electronic insert FEM 45
for universal power supply.
Relay output
with two potential-free
changeover contacts (DPDT)
Quick guide FTM 30 DR, FTM 31 DR, FTM 32 DR

Table of Contents
1 Notes on Safety 4
1.1 Special Notes on Safety 4
1.2 Safety Conventions and Symbols 5
2 Usage 6
2.1 Application 6
2.2 Measuring System 6
2.3 Function 7
3 Installation 8
3.1 Design planning 8
3.2 Mounting 11
4 Settings 18
4.1 Selecting the fail-safe mode 18
4.2 Selecting switching delay (FEM 45) 20
5 Electrical Connection 21
5.1 Wiring 21
5.2 Connection on site 24
6 Commissioning 27
6.1 Preparations 27
6.2 Function test 27
7 Maintenance 28
8 Troubleshooting and Repair 29
8.1 Sources of error 29
8.2 Spare parts 29
8.3 Replacing spare parts 30
8.4 Checking 30
8.5 Returning the unit for repair 30
8.6 Disposal 30
9 Technical Data 31
9.1 Table to DIN 19259 31
9.2 Dimensions 33
9.3 Accessories 34
10 Index 35
FTM 30 DR, FTM 31 DR, FTM 32 DR Table of Contents

1 Notes on Safety
1.1 Special Notes on Safety
Approved usage The Soliphant FTM .. DR is used for limit detection with powdered or fine-grained solids.
See Technical Data for temperature, pressure, mechanical loads and bulk solids
characteristics.
Installation,
Commisioning,
Operation
The Soliphant has been designed to operate safely in accordance with current
technical, safety and EU standards. If installed incorrectly or used for applications for
which it is not intended, however, it is possible that application-related dangers may
arise, e.g. product overflow or explosion in a flammable atmosphere.
For this reason the instrument must be installed, connected, operated and maintained
according to the instructions in this manual; personnel must be authorized and
suitably qualified. The manual must have been read and understood, and the
instructions followed. Modifications and repairs to the device are permissible only
when they are expressly approved in the manual.
Explosion hazardous
areas If the Soliphant is to be installed in an explosion hazardous area, then the
specifications in the certificate as well as all national regulations must be observed.
Classes, Divisions and Groups are different according to FM or CSA approval,
see Product Structure.
•Ensure that all personnel are suitably qualified.
•Observe the regulations concerning measurement and safety at the measuring point.
1 Notes on Safety FTM 30 DR, FTM 31 DR, FTM 32 DR
4 Endress+Hauser

1.2 Safety Conventions and Symbols
In order to highlight safety-relevant operating procedures in the manual, the following
conventions have been used, each indicated by a corresponding icon.
Symbol Meaning
Note!
A note highlights actions or procedures which, if not performed correctly, may indirectly
affect operation or may lead to an instrument response which is not planned.
Safety conventions
Caution!
Caution highlights actions or procedures which, if not performed correctly, may lead to
personal injury or incorrect functioning of the instrument.
Warning!
A warning highlights actions or procedures which, if not performed correctly, may lead to
personal injury, a safety hazard or destruction of the instrument.
Device certified for use in explosion hazardous area
If the device has this symbol embossed on its name plate it can be installed or its cabling
laid in an explosion hazardous area
Explosion protection
Explosion hazardous area
Symbol used in drawings to indicate explosion hazardous areas.
– Devices located in and wiring entering areas with the designation
"explosion hazardous areas" must conform with the stated type of protection.
Safe area (non-explosion hazardous area)
Symbol used in drawings to indicate, if necessary, non-explosion hazardous areas.
– Devices located in safe areas still require a certificate if their outputs run
into explosion hazardous areas.
Direct voltage
A terminal to which or from which a direct current or voltage may be applied or supplied. Electrical symbols
Alternating voltage
A terminal to which or from which an alternating (sine-wave) current or voltage may be
applied or supplied.
Grounded terminal (earth connection)
A grounded terminal, which as far as the operator is concerned, is already grounded by
means of an earth grounding system.
Protective grounding (earth) terminal
A terminal which must be connected to earth ground prior to making any other connection
to the equipment.
Equipotential connection (earth bonding)
A connection made to the plant grounding system which may be of type e.g. neutral star
or equipotential line according to national or company practice.
Note!
Caution!
Warning!
E
X
E
X
FTM 30 DR, FTM 31 DR, FTM 32 DR 1 Notes on Safety
Endress+Hauser 5

2 Usage
2.1 Application
Soliphant is a rugged limit switch for silos containing powdered or fine-grained solids,
including those with very low bulk densities.
The material must be pourable, i.e. it must not stick or bake on.
The various versions ensure it can be used in a wide range of applications, including
explosion-hazardous areas and foodstuffs.
The instruments are designed for use in industrial applications.
Typical applications:
grain, flour, milk powder, cocoa, sugar, animal feed,
washing powders, dyes, chalk, plaster, cement, plastic granules
2.2 Measuring System
The components of the measuring system are:
•Soliphant II
– FTM 30 DR compact sensor
– FTM 31 DR with extension tube
– FTM 32 DR with rope
•Separate housing with electronic insert
– FEM 41 for two-wire alternating power supply
– FEM 44 for universal power supply
and relay output with one potential-free switchover contact (SPDT)
– FEM 45 for universal power supply
and relay output with two potential-free switchover contacts (DPDT)
•Control systems or signal devices that may be connected such as miniature
contactors, alarm transmitters or programmable logic controllers
U~
U~
U~
L1
N
e.g.FTM 31 DR e.g.FTM 32 DR
e.g. FTM 30 DR
BA175Y01
Fig.1
A Limit switch for two-wire
AC power supply
B Limit switch
for universal power supply
with one
changeover contact
C Limit switch
for universal power supply
with two
changeover contacts
2 Usage FTM 30 DR, FTM 31 DR, FTM 32 DR
6 Endress+Hauser

2.3 Function
The symmetrical vibrating fork is excited to its resonant frequency. When the fork is
covered by material, the vibrations are damped.
The tip of the fork is especially sensitive and makes it ideal for the limit detection of
materials that have a very low bulk density.
In contrast, the base of the fork is very insensitive and is therefore unaffected by
material build-up on the vessel walls.
The signal of the sensor is converted into a switching signal by the electronic insert in
the separate housing.
Soliphant can be operated in both minimum or maximum fail-safe mode, i.e. the
electronic switch opens or the relay de-energises when the minimum or maximum
level is reached, on fault or on power failure.
3
31
1
1
1
1
4
4
5
52
2
2
2
2
17
28
39
17
28
39
17
28
39
17
28
39
17
28
39
Min.
Max.
345
345
345
U
FEM 41 SPDT
FEM 44 DPDT FEM 45
Level Fail-safe mode
Electronic inserts
BA175Y02
Fig.2
The function of the electronic
switch or relay depends on the
level and fail-safe mode
FTM 30 DR, FTM 31 DR, FTM 32 DR 2 Usage
Endress+Hauser 7

3 Installation
3.1 Design planning
General information Height of the switch point at the device:
Switching will occur
– if the tip of the fork is covered by high-density material to several millimetres,
– if the tip of the fork is covered by low-density and loosely-packed material
to several centimetres.
Pneumatic conveying systems:
Turbulence can cause error switching. The Soliphant should thus be mounted away
from air and material flows or is protected from strong air currents.
Inspecting or cleaning the silo:
Install the oscillating fork in a protected area.
Mounting in the open:
Install a protective hood for the Soliphant.
It protects the field-mounted Soliphant from condensation in the sensor housing F6
due to extreme temperature variations.
Soliphant FTM 30 DR The compact Soliphant FTM 30 DR can be mounted in any position in a bulk solids
vessel. See Fig. 3 for types of installation.
Take into account the angle of the mound or outflow funnel when determining the
height of the installation point.
(~250 mm)
~10 in ~8 in
~8 in
(~200 mm)
~20°
(~200 mm)
max. 2.4 in
(60 mm)
a)
b)
c)
d)
e)
f)
g)
BA175Y03
Fig.3
Left:
correct mounting
a) top-mounted;
fork vertical but at any
orientation
b) laterally mounted,
fork angled slightly downwards
so that material can slide off
more easily
c) with shield,
length approx.10 in (250 mm),
width approx. 8 in (200 mm),
to protect against collapsing
mounds
d) in discharge hopper;
max.nozzle length 2.4 in
(60 mm), so that no build-up
occurs which prevents the fork
from oscillating
Right:
incorrect mounting
e) in filling curtain
f) fork orientation incorrect
(broad tine surface is
subjected to high load caused
by discharging material;
malfunction due to residual
material)
g) mounting nozzle too long
3 Installation FTM 30 DR, FTM 31 DR, FTM 32 DR
8 Endress+Hauser

Soliphant FTM 31 DRThe Soliphant FTM 31 DR with extension tube e.g.
– if mounting is only possible from above
– if the switch point is to be altered using the sliding sleeve (accessory)
– with heavy build-up on the silo wall (mounting from above or from the side)
Take into account the angle of the mound or outflow funnel:
– for calculating the required length of the sensor when ordering a
Soliphant FTM 31 DR
– for calculating the length of the mounting nozzle and mounting point, if you have an
instrument with a specific length.
The Soliphant FTM 31 DR may not be shortened!
Mounting from above:
Mount in the centre of the discharge hopper order to keep the lateral load caused by
discharging material to a minimum; or close to the vessel wall with an extra fastening
near to the fork.
Mounting from the side:
Only order the length of extension tube required as very strong forces can affect the
Soliphant due to outflowing material or when homogenising the material.
Fasten a very long Soliphant extension tube by using a tight-fitting nozzle or fastener.
Maximum length of a mounting nozzle:
Length of the Soliphant from process connection to the tip of the fork minus 7 in
(170 mm).
Check that there is enough space outside the silo for mounting.
a)
b)
c) d)
BA175Y04
Fig.4
a) Plate to protect against
inflowing material
b) Sliding sleeve for infinite
adjustment of the switch point
c) sufficient space for mounting
d) Protective hood against
condensation in the housing
FTM 30 DR, FTM 31 DR, FTM 32 DR 3 Installation
Endress+Hauser 9

Soliphant FTM 32 DR The Soliphant FTM 32 DR with rope if e.g.
– only top-mounting is possible
– there is strong build-up on the silo wall
– there is strong vibration of the silo
Take into account the angle of the mound or outflow funnel:
– for calculating the required length of the sensor when ordering a Soliphant
FTM 32 DR
– for calculating the length of mounting nozzle required and mounting point,
if you have an instrument with a specific length.
The Soliphant FTM32 DR may be shortened (with rope shortening set accessory).
The rope length cannot be increased.
The instrument should not be installed at the centre of the hopper but as near to the
vessel wall as possible in order to keep tension caused by discharging material to a
minimum. It should not, however, be so close that it touches the wall when it swings.
Check the stability of the roof and the tension acting on the rope. The tension caused
by material outflow is usually much higher with powders than with granular materials.
The Soliphant must be mounted outside the material stream when using pneumatic
conveying systems.
a) b) c) d) e)
f)
BA175Y05
Fig.5
Left:
correct mounting
a) next to the silo wall,
but with enough distance
from it and from material
build-ups
b) protected against material
flow
Right:
incorrect mounting
c) too near to the wall
and material build-up
d) in the centre of
the discharge hopper
e) in filling curtain
f) laterally mounted
3 Installation FTM 30 DR, FTM 31 DR, FTM 32 DR
10 Endress+Hauser