SI1004 - Flow sensor IFM - Free user manual and instructions
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| Features | Details |
|---|---|
| Product type | Proximity sensor |
| Detection technology | Inductive |
| Supply voltage | 10 to 30 V DC |
| Output | PNP/NPN, normally open or closed |
| Detection distance | Variable depending on model |
| Protection | IP67 |
| Operating temperature | -25 to 70 °C |
| Usage | Industry, automation, robotics |
| Maintenance | Regular cleaning, checking connections |
| Safety | Comply with applicable electrical standards |
| General information | Compatible with various automation systems |
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USER MANUAL SI1004 IFM
Operating instructions
Notice utilisateurs
LED = grün LED = orange LED rot
Brief adjustment instructions
Installation
Mounting page 22, electrical connection page 24.
HI-Teach
Apply the operating voltage.
After approx. 15s the unit is ready.
Allow the medium to flow through the system at the required maximum flow rate (HI).
Press the Learn/Set button and keep it pressed.
The green LEDs on the right and on the left flash, after 5s the LED bar (green) fills from left to right (release the button as soon as the first LEDs light).
The indication goes off briefly. The unit stores the current flow as maximum flow.
- The unit is ready for normal operation.
Further setting options ( page 25)
- The HI-Teach is sufficient for the majority of waterbased applications. Optional: adjustment to minimum flow (LO-Teach).
- Setting for monitoring and optical indication of excess flow.
- Reset to factory settings.
Further information
Function and features . page 21
Installation and set-up / Operation / Maintenance . . . . . . page 26
Technical data page 27
Controls and visual indication
| Function display (Run mode) |
| current flow within the display range (LED bar green) |
| excess flow (LED 9 flashes) |
| underflow (LED 0 flashes) |
| Setting buttons |
| Mode / Enter: • selection of the menu items and acknowledgement |
| Learn/Set: • adjustment to maximum / minimum flow; • reset to factory settings • setting of values (scrolling by holding pressed;incremental by pressing briefly) |
Menu structure
LED = green LED = orange LED = red
Function and features
The flow sensor
- detects the flow velocity in liquid media,
- converts it into an analog output signal (4 ... 20mA),
-
and indicates the relative flow value within the adjustable detection range by means of LEDs:
-
LED 0 = lower limit of the detection range (maximum value / LO)
- LED 9 = upper limit of the detection range (minimum value / HI)
It is also possible to indicate:
- Excess flow: LED 9 flashes if the flow is considerably higher (2 LEDs) than the display range; output current >20mA .
- Underflow / flow standstill: LED 0 flashes if the flow is lower than the display range.
The output signal corresponds to the characteristic curve of the sensor. Like the row of LEDs it indicates the relative flow velocity within the detection range set. Internally the signal change between LO and HI is divided into 10 parts and displayed by the row of 10 LEDs and the current output.
Installation
The unit is adaptable for various process fittings (adapters to be ordered separately as accessories).
- In the case of horizontal pipes mount the unit from the side, if possible (fig. 1).
When the unit is to be mounted at the bottom of the pipe, it should be free from deposits.
When the unit is to be mounted at the top of the pipe, it should be completely filled with the medium to be monitored. - In the case of vertical pipes mount the unit in a place where the medium flows upwards (fig. 2).
To avoid malfunction a minimum distance between the flow monitor and bends, valves, changes in cross-section or such like must be observed:
- Min. 5 x pipe diameter upstream (A).
- Min. 3 × pipe diameter downstream (B).
- Lubricate the nut (3) and all threads with grease to ensure the nut can be loosened and tightened several times.
Note: No grease must be applied to the sensor tip (A).
- Screw the suitable adapter (2) onto the process fitting (1).
- Insert the flow monitor into the adapter. While keeping the unit aligned tighten the nut (3); (max. tightening torque 50Nm).
Insertion depth of the sensor: min. 12mm in the pipe. When the adapters are used which are available as accessories, the correct depth is ensured.
Note: The sensor tip must not touch the pipe wall.
| mounting dimension with M12 adapter | mounting dimension with G¼ adapter | mounting dimension with G½ adapter |
| 13.5 27 | 13.5 27 | 21 35 |
Electrical connection
The unit must only be connected by an electrician.
The national and international regulations for the installation of electrical equipment must be observed.
Voltage supply to EN50178, SELV, PELV.
The device shall be supplied from an isolating source and protected by an overcurrent device such that the limited voltage circuit requirements in accordance with UL 508 are met.
Disconnect power before connecting the unit.
Wiring:
connector view (sensor)
Core colours of ifm sockets:
1 = BN(brown), 2 = WH(white) ,
3 = BU (blue), 4 = BK (black)
n.c. = not connected
When the supply voltage is applied, all LEDs light and go off one after the other. The unit is then ready for operation.
*During this time the output signal is 20mA.
If the operating voltage is too low, the output signal passes to 0mA .
Programming
Setting of the detection range HI-Teach
- Allow the medium to flow through the system at the required maximum flow rate.
- Press the Learn/Set button for >5 < 10s (= adjustment to maximum flow / upper limit of the detection range).
Optional: LO-Teach
The HI-Teach is sufficient for the majority of waterbased applications. Optional: adjustment to minimum flow.
- Allow the medium to flow through the system at the required minimum flow rate or bring flow to a standstill.
- Press the Learn/Set button for >10 < 15s (= adjustment to minimum flow or flow standstill / lower limit of the detection range).
Monitoring excess flow
- Press the Mode/Enter button once.
- Press the Learn/Set button for 5s, release the button when LED flashes.
- Press the Learn/Set button several times to shift the LED for the maximum display value.
- Press the Mode/Enter button briefly.
Reset to factory settings
- Press the Learn/Set button for >15 < 20s
The following applies to all setting procedures:
- If no button is pressed for 15s during the setting procedure, the unit returns to the operating mode with the parameter values unchanged.
- If adjustment has not been possible, all the red LEDs flash. The unit returns to the operating mode with the parameter values unchanged.
Locking / Unlocking
The unit can be electronically locked to prevent unwanted adjustment of the set parameters: Press both setting buttons for 10s (the unit must be in Run mode). Indication goes out briefly (acknowledgement of locking / unlocking).
Units are delivered from the factory in the unlocked state.
With the unit in the locked state indication goes out briefl when you press the Mode/Enter button.
Installation and set-up / Operation / Maintenance
When the supply voltage is applied, all LEDs light and go off one after the other. * The unit is then ready for operation.
*During this time the output signal is 20mA.
Check the sensor tip for build-up from time to time. Clean it with a soft cloth. If necessary, build-up which adheres firmly (e.g. lime) can be removed with a common vinegar cleansing agent.
Technical data
Operating voltage [V] 20 ... 36 DC1)
Analog output [mA] 4 ... 20, max. approx. 23
Max. load [Ω] 500
Liquids
Medium temperature [^ C] -25 +80 Setting range [cm/s] 3 60
Response time [s] 1.10
Power-on delay time [s] 15, optically indicated
Pressure rating [bar]. 300
Operating temperature [^ C] -25 +80
Protection IP 67
Shock resistance [g]. 50 (DIN / IEC 68-2-27, 11 ms)
Vibration resistance [g] 20 (DIN / IEC 68-2-6, 55-2000 Hz)
Housing material IP 67 (IEC60529) / (UL50)
Sensor material (SI1004) stainless steel (316S12); O-ring: FPM 8x1.5 gr 80^ Shore A
Sensor material (SI1104) titanium; O-ring: FPM 8x1.5 gr 80^ Shore A
1)to EN50178, SELV, PELV; referring to UL: see page 24 (Electrical connection).
Programming diagrams / Technical information
Setting of the detection range
The detection range (window) is determined by:
- Adjustment to the required maximum flow (HI-Teach) = upper limit of the window. This setting is sufficient for the majority of waterbased applications.
- Adjustment to the required minimum flow / flow standstill (LO-Teach) = lower limit of the window.
- Adjustment to maximum flow (HI-Teach)
The unit detects the current flow and sets this value as the maximum value for the LED display (LED 9).
| 1 | Apply the operating voltage. After approx. 15s the unit is ready. Allow the medium to flow through the system at the required maximum flow rate. | |
| 2 | M S >5...<10s | LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → LO HI → |
| Press the Learn/Set button and keep it pressed. The green LEDs on the right and on the left flash, after 5s the LED bar (green) fills from left to right (release the button as soon as the first LEDs light). The indication goes off briefly. The unit stores the current flow as maximum flow and passes into the operating mode. | ||
- Adjustment to minimum flow / flow standstill (LO-Teach), optional
The unit detects the current flow and sets this value as the minimum display value for the LED display. In normal operation the first green LED (LED 0) flashes when the flow falls below this value (or when it comes to a standstill).
NOTE: The LO-Teach operation may only be carried out after the HI-Teach operation.
| 1 | Allow the medium to flow through the system at the required minimum flow rate or bring to a standstill. | |
| 2 | M S >10...<15s | LO HI ↓ LO HI U U LO HI U U after 5s the LED bar (green) fills from left to right |
| M S | after a further 5s the LED bar (gren) fills from right to left (release the button as soon as the first LEDs on the right light). | |
| X | The indication goes off briefly. The unit stores the current flow as minimum flow and passes into the operating mode. | |
Monitoring excess flow
With this function the position of the display window within the detection range can be defined: Shift the LED for the maximum display value to position 8, 7, 6 or 5. In the case of maximum flow all LEDs from 0 up to this LED are lit. The LEDs above the range signal excess flow. If the switch point is above this range, the unit switches in the case of excess flow.
The output signal indicates the maximum flow and excess flow. The output current for maximum flow/excess flow depends on the position to which the LED for the maximum display value has been shifted.
| LED for maximum value | output signal for maximum flow [mA] | output signal for excess flow [mA] |
| LED 5 | 12.0 ... 13.6 13.6 | . 20 |
| LED 6 | 13.6 ... 15.2 15.2 | . 20 |
| LED 7 | 15.2 ... 16.8 16.8 | . 20 |
| LED 8 18.4 ... 20 | 16.8 ... 18.4 |
Setting:
| 1 | 1 x | LO HI → | Press the Mode/Enter button once. The current setting is indicat-ed (green LED). |
| 2 | 5 s | LO HI → | Press the Learn/Set button for 5s (until LED flashes). |
| 3 | M S | LOHL → | Press the Learn/Set button several times until the requested LED flashes (LED 8, 7, 6 or 5). Each time the button is pressed the LED moves back by one position. When it is lower than LED 5 the cycle starts again at LED 9. |
| 4 | M S | LOHI → | Press the Mode/Enter button briefly (acknowledgement). The indication goes off briefly. The unit stores the new setting and passes into the run mode. |
Please note:
The display value is reset (to LED 9) after each maximum flow rate adjustment (HI-Teach).
■ Return to factory setting
Press the Learn/Set button and keep it pressed.
The green LEDs on the right and on the left flash,
after 5s the LED bar (green) fills from left to right,
after a further 5s the LED bar (green) fills from right to left,
after a further 5s the LED bar (orange) fills from left to right (release the button as soon as the first orange LEDs light).
The indication goes off briefly. All settings are returned to factory setting and the unit passes into the run mode flow.
LED = verte LED = orange LED rouge
| 1 | Mettre l'appareil sous tension. L'appareil est opérationnel après env. 15s. Le débit du fluide doit être à la valeur maximale souhaité et constant. | |
| 2 | M S >5...<10s | LO HI → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO HL → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LOH → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO L → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO H → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I → LO I |
