IFM SI0558 User manual

Operating instructions
Flow monitor
SI0558
SI0564
11441063 / 0003 / 2022
GB

SI0558 SI0564 Flow monitor
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Contents
1 Preliminary note ............................................................. 3
1.1 Symbols used.......................................................... 3
1.2 Warnings used ......................................................... 3
2 Safety instructions............................................................ 4
3 Intended use................................................................ 5
4 Installation.................................................................. 6
4.1 Installation position...................................................... 6
4.1.1 Immersion depth.................................................... 6
4.1.2 Recommended mounting position....................................... 6
4.1.3 Conditionally possible installation position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.1.4 Impermissible installation position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Interference............................................................ 7
4.3 Process connection...................................................... 7
5 Electrical connection.......................................................... 9
6 Operating and display elements................................................. 10
7 Set-up..................................................................... 11
8 Settings.................................................................... 12
8.1 Switch point setting...................................................... 12
8.2 Teaching the switch point................................................. 12
8.3 Restoring factory settings (reset)............................................ 12
8.4 Lock / unlock........................................................... 12
9 Operation .................................................................. 14
10 Troubleshooting ............................................................. 15
11 Maintenance, repair and disposal................................................ 16

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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
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 device monitors liquids and gases.
The device detects flow based on the calorimetric measuring principle and switches the output.
The switch point is adjustable.
The typical response time of the device is 1 ... 10 s. It can be influenced by the setting of the switch
point:
• Low switch point = quick reaction with rising flow.
• High switch point = quick reaction with falling flow.

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4 Installation
CAUTION
During installation or in case of mechanical failure, 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.
4.1 Installation position
4.1.1 Immersion depth
≥12 mm
Fig.1: Immersion depth
• The sensor tip must be completely surrounded by the medium.
• Recommended immersion depths: minimum 12 mm.
4.1.2 Recommended mounting position
Fig.2: Recommended mounting position
• For horizontal pipes: mounting from the side.
• For vertical pipes: mounting in the rising pipe.
4.1.3 Conditionally possible installation position
Fig.3: Conditionally possible installation position
• For horizontal pipes, if the pipe is free from build-up: mounting from below.
• For horizontal pipes, if the pipe is completely filled with medium: mounting from the top.

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4.1.4 Impermissible installation position
Fig.4: Impermissible installation position
• The sensor tip must not be in contact with the pipe wall.
• Do not mount in downpipes that are open at the bottom.
4.2 Interference
Structures in the pipe, bends, valves, reducing pieces and the like affect the function of the unit.
uAdhere to the distances between sensor and interference.
S
5...10 x D
S
3...5 x D
Fig.5: Inlet and outlet pipe lengths
D: Outside diameter of the pipe
S: Interference
4.3 Process connection
Using process adapters the unit can be adapted to different process connections.
A correct fit of the unit and ingress resistance of the connection are only ensured using ifm adapters.
For small flow rates, ifm adapter blocks are available.
The device is supplied without accessories.
Information about available accessories at documentation.ifm.com.
The optimum function is not ensured when using components from other manufacturers.
2 4
13
Fig.6: Connect the device to the process using the adapter
1: Process connection 2: Adapter
3: Sensor tip 4: Coupling nut
uGrease the threads of the process connection, adapter and sensor. Use a lubricating paste which
is suitable and approved for the application.
Ensure no grease is applied to the sensor tip.
uScrew the suitable adapter into the process connection.

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uPlace the flow monitor onto the adapter and tighten the nut. Tightening torque 25 Nm. Ensure that
the unit is correctly oriented.

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5 Electrical connection
The unit must be connected by a qualified electrician.
uObserve the national and international regulations for the installation of electrical equipment.
uFor the output circuit take the same protective measures as for the supply circuit.
uInsert a miniature fuse according to IEC 60127-2 Sheet 1 ( ≤ 5 A fast acting).
uDisconnect power.
uConnect the unit as follows:
1 BN
2 BK
4 WH
3 BU
L1 / L+
N / L
4
2 1
3
5
Fig.7: Wiring diagram (colours to DINEN60947-5-2)
BK: Black BN: Brown
Cap-
tion:
Blue WH: White
uDo not connect pin 5.

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6 Operating and display elements
2
1
SP
-+
1: Operation indication
• The LEDs 0...9 represent the range of the monitored flow.
• The green LEDs show the current flow.
• An illuminated LED shows the position of the switching point:
– Orange = output closed
– Red = output open
2: Setting buttons for adjustment and configuration

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7 Set-up
uSwitch on the supply voltage.
wAll LEDs light and go out again step by step. During this time the output is closed.
wThe device is in the operating mode.

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8 Settings
The switch point is preset Ò Technical data at www.documentation.ifm.com.
The preset switch point can be changed.
8.1 Switch point setting
Changing the preset switch point is useful in the following cases:
• The flow fluctuates strongly or pulsates.
• A faster response time of the device is required.
– Low switch point = quick reaction with rising flow.
– High switch point = quick reaction with falling flow.
uBriefly press [▬] or [].
wAll LEDs are off.
uPress [▬] or [] as often as required.
wEach press of the pushbutton shifts the flow by one half LED in the indicated direction.
wAs soon as a button is pressed, the LEDs are switched on. The LEDs of the current process
value are flashing.
uWhen the required switch point is reached, do not press the button for more than 2 seconds.
wThe device goes into operating mode with the newly set value.
8.2 Teaching the switch point
The switch point can be set to the current flow value (flow adjustment).
uLet the required flow to pass through the installation.
uPress the [▬] button for at least 15 seconds.
wLED 0 and LED 9 first light up green, then flash green.
uRelease the [▬] button.
wThe unit adopts the new value and returns to the operating mode.
wAll LEDs left of the switch point light green.
wThe switch point LED lights up red.
8.3 Restoring factory settings (reset)
uPress the [] button for at least 15 seconds.
wAll LEDs first light up orange, then flash orange.
uRelease the button.
wAll settings are reset to the factory setting:
wAll LEDs go off for 2 seconds.
8.4 Lock / unlock
The unit can be locked electronically to prevent unauthorised setting.
Factory setting: not locked.

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uPress both setting keys for 10 seconds.
wThe display goes off.
wThe unit is locked.
uFor unlocking repeat the process.

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9 Operation
After power on, the unit is ready for operation.
The device detects the flow and switches the output according to the setting.
• Output closed (LED = yellow) if flow ≥ switch point.
• Output open (LED = red), if volumetric flow quantity < switch point.
In case of power failure or interruption of the operating voltage, all settings remain.
Operating indicators Explanation
Current flow below the display range.
Current flow below the switch point.
Current flow corresponds to the switch point.
Current flow above the switch point.
current flow above the display range.
LED flashes

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10 Troubleshooting
Indication Description Corrective measures
The display goes OFF briefly
(LEDs go off when a button is pressed)
The sensor is permanently locked.
After approx. 0.6 seconds, the last oper-
ating status is indicated.
uUnlock unit. See Lock / unlock
(Ò/12)
Display OFF (no LED on)
Operating voltage too low (< 19 V) or
failed.
uEnsure correct voltage supply.
Automatic adjustment not successful.
The switch point is outside the measur-
ing range.
uCheck flow and installation, repeat
adjustment if necessary. See
Teaching the switch point (Ò/12).

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11 Maintenance, repair and disposal
Only the manufacturer is allowed to repair the unit.
uEnsure that the sensor tip is free from build-up:
• Check the sensor tip for build-up one month after set-up.
• Repeat check regularly. Determine check intervals based on the application.
• In case of soiling clean the sensor tip with a soft cloth. Stubborn build-up, such as lime, can be
removed using a common vinegar cleaning agent.
uAfter use dispose of the device in an environmentally friendly way in accordance with the
applicable national regulations.
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