IFM SBZ224 User manual

Operating instructions
Mechatronic flow sensor
SBZ224
11375961 / 0007 / 2021
GB

SBZ224 Mechatronic flow sensor
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Contents
1 Preliminary note ............................................................. 4
1.1 Symbols used.......................................................... 4
1.2 Warnings used ......................................................... 4
2 Safety instructions............................................................ 5
3 Intended use................................................................ 6
4 Function ................................................................... 7
4.1 Output OUT1 selection options............................................. 7
4.2 Output OUT2 selection options............................................. 7
4.3 Switching output........................................................ 7
4.4 Analogue output........................................................ 8
4.4.1 Volumetric flow monitoring ............................................ 8
4.4.2 Temperature monitoring .............................................. 9
4.5 Frequency output ....................................................... 9
4.5.1 Volumetric flow monitoring ............................................ 10
4.5.2 Temperature monitoring .............................................. 10
4.6 Display colour setting .................................................... 10
4.7 IO-Link ............................................................... 11
5 Mounting................................................................... 12
5.1 Process connection...................................................... 12
5.2 Interference............................................................ 12
5.3 Installation in case of medium containing dirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6 Electrical connection.......................................................... 14
7 Operating and display elements................................................. 15
8 Menu...................................................................... 16
8.1 Menu overview......................................................... 16
8.2 Main menu and submenus ................................................ 16
9 Set-up..................................................................... 19
10 Parameter setting............................................................ 20
10.1 Parameter setting via IO-Link.............................................. 20
10.1.1 Identification....................................................... 20
10.1.1.1 Application Specific Tag......................................... 20
10.1.2 Parameters........................................................ 20
10.1.2.1 Access locks to the units: Local parameter setting . . . . . . . . . . . . . . . . . . . . . 20
10.2 Parameter setting via the unit keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.2.1 Parameter setting in general........................................... 21
10.2.2 Presets........................................................... 21
10.2.2.1 Process value for OUTx ......................................... 21
10.2.2.2 Standard unit of measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.2.3 Setting the output functions............................................ 22
10.2.3.1 Limit monitoring OUTx/ hysteresis function . . . . . . . . . . . . . . . . . . . . . . . . . . 22
10.2.3.2 Limit monitoring OUTx/ window function . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
10.2.3.3 Frequency signal OUT1 ......................................... 22
10.2.3.4 Analogue signal OUT2 .......................................... 22
10.2.4 User settings (optional)............................................... 22
10.2.4.1 Standard display............................................... 22
10.2.4.2 Display colour setting ........................................... 23
10.2.4.3 Output logic................................................... 23
10.2.4.4 Measured value damping for switching output. . . . . . . . . . . . . . . . . . . . . . . . . 23
10.2.4.5 Measured value damping for analogue output. . . . . . . . . . . . . . . . . . . . . . . . . 23
10.2.4.6 Error behaviour of the outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
10.2.4.7 Lock / unlock.................................................. 24
10.2.4.8 Factory reset.................................................. 24
10.2.5 Diagnostic functions ................................................. 24
10.2.5.1 Reading minimum values / maximum values. . . . . . . . . . . . . . . . . . . . . . . . . . 24
11 Operation .................................................................. 25

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11.1 Process value display.................................................... 25
11.2 Reading the parameter setting ............................................. 25
12 Troubleshooting ............................................................. 26
12.1 Error messages......................................................... 26
13 Maintenance, repair and disposal................................................ 27
13.1 Cleaning the device...................................................... 27
14 Factory settings.............................................................. 28

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1 Preliminary note
You will find instructions, technical data, approvals and further information using the QR code on the
unit / packaging or at www.ifm.com.
1.1 Symbols used
Requirement
Instructions
Reaction, result
[...] Designation of keys, buttons or indications
Cross-reference
Important note
Non-compliance may result in malfunction or interference.
Information
Supplementary note
1.2 Warnings used
ATTENTION
Warning of damage to property
CAUTION
Warning of personal injury
wSlight reversible injuries may result.

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2 Safety instructions
• The unit described is a subcomponent for integration into a system.
– The system architect is responsible for the safety of the system.
– The system architect undertakes to perform a risk assessment and to create documentation in
accordance with legal and normative requirements to be provided to the operator and user of
the system. This documentation must contain all necessary information and safety instructions
for the operator, the user and, if applicable, for any service personnel authorised by the
architect of the system.
• Read this document before setting up the product and keep it during the entire service life.
• The product must be suitable for the corresponding applications and environmental conditions
without any restrictions.
• Only use the product for its intended purpose (Ò Intended use).
• Only use the product for permissible media.
• If the operating instructions or the technical data are not adhered to, personal injury and/or damage
to property may occur.
• The manufacturer assumes no liability or warranty for any consequences caused by tampering with
the product or incorrect use by the operator.
• Installation, electrical connection, set-up, operation and maintenance of the product must be
carried out by qualified personnel authorised by the machine operator.
• Protect units and cables against damage.

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3 Intended use
The unit monitors liquid media (water, glycol solutions, industrial oils, coolants).
It detects the process categories volume flow (volumetric flow quantity/time) and medium temperature.
ATTENTION
Frost formation of the medium.
wThe sensor may be damaged.
uEnsure that the medium in the sensor does not freeze during operation and transport.

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4 Function
• The unit detects the flow rate according to the principle of differential pressure by means of a
permanent magnet and a measuring cell.
• As additional process value the unit detects the medium temperature.
• The unit can be operated in SIO mode (standard input-output ) or in IO-Link mode.
• The unit displays the current process values.
• The unit generates two output signals according to the parameter setting.
4.1 Output OUT1 selection options
• Switching signal flow
• Switching signal temperature
• Frequency signal flow
• Frequency signal temperature
• IO-Link
4.2 Output OUT2 selection options
• Switching signal flow
• Switching signal temperature
• Analogue signal flow
• Analogue signal temperature
4.3 Switching output
OUTx changes its switching status if it is above or below the set switching limits. Hysteresis or window
function can be selected.
SP
t
Hno
HY
Hnc
rP
1
0
1
0
1
Fig.1: Hysteresis function
1: Process value
t: Time
SP: Set point
rP: Reset point
HY: Hysteresis
Hno: Hysteresis function NO (normally open)
Hnc: Hysteresis function NC (normally closed)
When the hysteresis function is set, the set point [SP] and the reset point [rP] are defined. The
rP value must be lower than the SP value. The distance between SP and rP is at least 0.6 % of
the final value of the measuring range (= hysteresis). If only the set point is changed, the reset
point is changed automatically; the difference remains constant.

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FE FE
FH HY
HY
t
Fno
Fnc
FL
1
0
1
0
1
Fig.2: Window function
1: Process value
t: Time
FH: Upper limit value
FL: Lower limit value
HY: Hysteresis
FE: Window area
Fno: Window function NO (normally open)
Fnc: Window function NC (normally closed)
When set to the window function the upper limit value [FH] and the lower limit value [FL] are
defined. The distance between FH and FL is at least 0.6 % of the final value of the measuring
range. FH and FL have a fixed hysteresis of 0.25% of the final value of the measuring range.
This helps keep the switching status of the output stable if the flow rate varies slightly.
The switching signal in case of a fault can be set via the parameter [FOU].
4.4 Analogue output
The unit provides an analogue signal of 4…20mA proportional to the process value.
If the measured value is outside the measuring range or in the event of an internal error, the current
signal indicated in the following figure is provided.
For measured values outside the display range or in case of a fault, messages are displayed (UL, OL,
Err).
The analogue signal in case of a fault can be set via the parameter [FOU].
4.4.1 Volumetric flow monitoring
2
1
FOU=On
[% MEW]
MAW MEW
[mA]
20
4
22
21,5
130120
3,5
Err
OL
FOU=OFF
3
4
5
Fig.3: Characteristics of the analogue output according to the standard IEC 60947-5-7, flow rate
1: Analogue signal MAW: Initial value of the measuring range
2: Flow MEW: Final value of the measuring range
3: Measuring range OL: Above the display range
4: Display range Err: Error state
5: Detection zone

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4.4.2 Temperature monitoring
FOU=OFF
133
272
122100
252212
-32 -10-43
-26 14-46
UL ErrErr OL
FOU=On
[mA]
20
22
21,5
3,5
MAW MEW
[°C]
[°F]
4
2
1
3
4
5
Fig.4: Characteristics of the analogue output according to the standard IEC 6094752, temperature
1: Analogue signal MAW: Initial value of the measuring range
2: Temperature MEW: Final value of the measuring range
3: Measuring range OL: Above the display range
4: Display range UL: Below the display range
5: Detection zone Err: Error state
4.5 Frequency output
The unit provides a frequency signal proportional to the process value.
The frequency signal is scalable:
• [FrPx] defines the frequency signal in Hz that is provided when the upper measured value (MEW or
FEPx) is reached.
The measuring range is scalable:
• [FSPx] defines the lower measured value from which a frequency signal is provided.
– FSPx is only available for temperature measurement.
• [FEPx] defines the upper measured value at which the output signal has the frequency set under
FrPx.
Minimum distance between FSPx and FEPx:
6.5 % of the final value of the measuring range (flow rate measurement).
20 % of the final value of the measuring range (temperature measurement).
If the measured value is outside the measuring range or in the event of an internal error, the frequency
signal indicated in the following figure is provided.
For measured values outside the display range or in case of a fault, messages are displayed (UL, OL,
Err).
The frequency signal in case of a fault can be set via the parameter [FOU].

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4.5.1 Volumetric flow monitoring
FOU = OFF 0
2
1
3
4
5
FOU = ON 130
120
100
Err
= FrP1
MAW FEP1 MEW OL
100 120 130 [% MEW]
[% FrP1]
Fig.5: Output characteristic frequency output, flow rate
1: Frequency signal MAW: Initial value of the measuring range
2: Flow MEW: Final value of the measuring range
3: Display range FEP1: Frequency end point
4: Measuring range FRP1 Frequency signal (Hz) for upper measured value
5: Scaled measuring range OL: Above the display range
Err: Error
4.5.2 Temperature monitoring
FOU = OFF 0
2
1
3
4
5
FOU = ON 130
120
100
UL
Err
Err
= FrP1
MAW FSP1 FEP1 MEW OL
100 120 [% MEW]
[% FrP1]
Fig.6: Output characteristics frequency output, temperature
1: Frequency signal FSP1: Frequency start point
2: Temperature FEP1: Frequency end point
3: Display range FRP1 Frequency signal (Hz) for upper measured value
4: Measuring range MAW: Initial value of the measuring range
5: Scaled measuring range MEW: Final value of the measuring range
Err: Error OL: Above the display range
4.6 Display colour setting
The colour of the characters in the display can be set via the parameter [coLr]. With the set
parameters rED (red) and GrEn (green), the display is permanently set to one colour. If the
parameters rxou and Gxou are set, the colour of the characters changes depending on the process
value:
OUT1 OUT2 Colour change to…
Parameter setting r1ou r2ou Red
G1ou G2ou Green
When the hysteresis function is set, the colour changes if the process value is above the set point:

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SP1 /
SP2
MAW MEW
Fig.7: Hysteresis function, [coLr] =
rxou
MAW: Initial value of the measuring range
MEW: Final value of the measuring range
SPx: Switch point
When the window function is set, the colour changes if the process value is within the window section:
FL1 /
FL2
FH1 /
FH2
MAW MEW
Fig.8: Window function, [coLr] =
Gxou
MAW: Initial value of the measuring range
MEW: Final value of the measuring range
FLx: Lower limit of the window section
FHx: Upper limit of the window section
4.7 IO-Link
IO-Link is an internationally standardised IO technology (IEC 61131-9) for communicating with
sensors and actuators.
General information about IO-Link can be found at io-link.ifm.
IO Device Description (IODD) with all parameters and process data of the unit can be found at
documentation.ifm.com.
In the factory setting the unit is in SIO mode (standard input-output). When connected to an IO-Link
master, the unit automatically switches to IO-Link mode.
IO-Link offers the following advantages:
• Noise-immune transmission of all process values.
• Parameter setting during operation or point-to-point at the desk.
• Detection of connected units.
• Freely definable parameters to identify the units in the plant.
• Additional parameter and diagnostic functions (events) compared to the SIO mode.
• Data storage: Automatic transfer of parameters when a unit is replaced.
• Logging of parameter sets, process values and events.

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5 Mounting
CAUTION
During installation or in case of a fault (e.g. housing damage) media under high pressure or
hot media can leak from the system.
wRisk of injury caused by pressure or burns.
uEnsure that the system is free of pressure during installation.
uEnsure that no media can leak at the mounting location during installation.
uEquip the unit with suitable protection (e.g. cover) to avoid hazard to personnel from
leaking media.
5.1 Process connection
uAvoid major changes of cross section on the inlet side.
IN
OUT
Fig.9: Process connection
IN: Inlet
OUT: Outlet
Calming sections on the sensor's inlet or outlet side are not necessary.
The sensor can also prevent backflow.
The sensor head can be rotated by 360°.
5.2 Interference
uThe following minimum distances must be adhered to:
Distance between the sensor and ferromagnetic materials ≥30mm*
Distance between the sensor and constant / alternating fields ≥500mm
Distance between the sensor axes for side-by-side installation ≥50mm

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* The pipe may consist of ferromagnetic material.
5.3 Installation in case of medium containing dirt
uUse a 200-micron filter in front of the inlet (IN).
uInstall sensor horizontally.
uAdhere to the inclination angle to the horizontal axis:
±5°
±90°
Fig.10: Alignment in case of medium containing dirt
In clean medium, installation in vertical pipes is also possible.
Information about available filters at www.ifm.com.

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6 Electrical connection
The device must be connected by a qualified electrician.
Observe the national and international regulations for the installation of electrical equipment.
Voltage supply according to EN50178, SELV, PELV.
uDisconnect power.
uConnect the unit as follows:
L
1 BN
2 WH
4 BK
3 BU
OUT1/IO-Link
OUT2
L+
43
2 1
Fig.11: Wiring diagram (colours to DINEN60947-5-2)
BK: black BN: brown
BU: blue WH: white
Pin Assignment
1 L+
3 L-
4 (OUT1) • Switching signal flow
• Switching signal temperature
• Frequency signal flow
• Frequency signal temperature
• IO-Link
2 (OUT2) • Switching signal flow
• Switching signal temperature
• Analogue signal flow
• Analogue signal temperature
1
L
1
BN
2
WH
4
BK
3
BU
L+
2
L
1
BN
2
WH
4
BK
3
BU
L+
4
L
1
BN
4
BK
2
WH
3
BU
L+
3
L
1
BN
2
WH
4
BK
3
BU
L+
Fig.12: Circuit examples
1: 2 x positive switching
2: 2 x negative switching
3: 1 x positive switching / 1 x analogue
4: 1 x negative switching / 1 x analogue

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7 Operating and display elements
13
4
2
5
Fig.13: Operating and display
elements
1: Switching status LED for OUT1
2: Switching status LED for OUT2
3: Process value in the indicated unit of measurement *
4: 4-digit alphanumeric display
5: Keys for changing views and parameter setting
* l/min, m3/h, gpm, gph, °C, °F

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8 Menu
The figures in which the menus are displayed show the parameters that can be set on the unit by key
input. These parameters and other functions are also available via the IO-Link interface.
8.1 Menu overview
Use the operating keys to navigate from the process value display to the main menu and from there to
the submenus.
Process value display
Main menu
Extended functions
[EF]
Basic settings [CFG]
Display settings [DIS]
Min/max memory [MEM]
Fig.14: Menu overview
8.2 Main menu and submenus
The displayed parameters change when the factory setting is changed. The following menu
displays show the maximum available parameters.
EF
rP1
SP1 FH1
FL1
CFG, MEM, DIS
FEP1
FrP1
FSP1
FEP1
FrP1
rP2
SP2 FH2
FL2
Process value display
Fig.15: Main menu

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EF
CFG
rES
MEM
- - - -
DIS
CFG
MEM
DIS
Main menu
Fig.16: Extended functions [EF] menu
ou2 Hno Hnc Fno Fnc I
P-n
dAP
dAA
SEL1
SEL2
EF
CFG
FLOW TEMP
FLOW TEMP
nPnPnP
°F°C
0.1
0
ou1 Hno Hnc Fno Fnc FRQ
uni.F
uni.T
m3hLmin GPHGPm
FOU1
FOU2
OFFOn OU
OFFOn OU
Fig.17: Basic settings [CFG] menu
1234
EF
MEM
Lo.T 1234
Hi.T
Fig.18: Min/max memory [MEM] menu

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EF
DIS
coLr
SELd FLOW TEMP
GrEnrEd
diS d2 d3d1
rd1 rd2 rd3 OFF
r1ou G1ou
r2ou G2ou
Fig.19: Display settings [DIS] menu

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9 Set-up
After power on and expiry of the power-on delay time, the unit is in the normal operating mode. It
carries out its measurement and evaluation functions and generates output signals according to the
set parameters.
During the power-on delay time the outputs are switched as programmed:
• OFF with normally open function (Hno / Fno)
• OFF with normally closed function (Hnc / Fnc)
• OFF for frequency output (FRQ)
• 0 mA for current output (I)
When an IO-Link master is connected, the unit automatically switches from SIO mode (standard
input-output) to IO-Link mode.

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10 Parameter setting
The parameters can be set via the IO-Link interface or via the keys on the unit.
Parameters can be set before installation or during operation.
If you change parameters during operation, this will influence the function of the plant.
uEnsure that there will be no malfunctions in your plant.
During parameter setting the unit remains in the operating mode. It continues to monitor with the
existing parameter until the parameter setting has been completed.
10.1 Parameter setting via IO-Link
For parameter setting via the IO-Link interface, you need suitable parameter setting software and the
IO Device Description (IODD) for the unit.
• IODD, parameter setting software and information on IO-Link at io-link.ifm.
• Notes on parameter setting Ò Manual of the parameter setting software.
• List of all available parameters in the PDF "IO-Link interface description" at
documentation.ifm.com.
Via IO-Link, all parameters can be set that are also accessible via the keys on the unit. In addition, the
functions described below are available.
10.1.1 Identification
Information about the unit is provided via the IODD. In addition, customer-specific descriptions
for identification can be assigned to the unit via IO-Link.
10.1.1.1 Application Specific Tag
• Customer-specific application description.
• Maximum length 32 characters and freely definable.
10.1.2 Parameters
The unit is configured via the parameters. The parameters described below are only available
via the IO-Link interface.
10.1.2.1 Access locks to the units: Local parameter setting
• [Open]: The unit can be adjusted using the keys on the unit.
• [Blocked]: The keys on the unit are locked so that settings on the unit and unlocking can only be
made via IO-Link.