IFM SAxx04 Series User manual

Operating instructions
Flow sensors
SAxx04
SAxx14
UK
80261065 / 00 05 / 2018

2
Contents
1 Preliminary note���������������������������������������������������������������������������������������������������3
2 Safety instructions �����������������������������������������������������������������������������������������������4
3 Functions and features ����������������������������������������������������������������������������������������4
4 Function���������������������������������������������������������������������������������������������������������������5
4�1 Operating modes (ModE) ������������������������������������������������������������������������������5
4�2 Select medium (MEdI) �����������������������������������������������������������������������������������6
4�3 Define the internal pipe diameter (diA) ����������������������������������������������������������6
4�4 Customer-specific calibration (CGA) �������������������������������������������������������������6
4�5 Analogue function ������������������������������������������������������������������������������������������7
4�6 Measured value damping (dAP) ��������������������������������������������������������������������8
4�7 IO-Link �����������������������������������������������������������������������������������������������������������9
5 Mounting��������������������������������������������������������������������������������������������������������������9
5�1 Installation position ��������������������������������������������������������������������������������������10
5�2 Interference in the pipe system �������������������������������������������������������������������12
5�3 Alignment�����������������������������������������������������������������������������������������������������12
6 Electrical connection������������������������������������������������������������������������������������������13
7 Operating and display elements ������������������������������������������������������������������������14
8 Menu������������������������������������������������������������������������������������������������������������������15
9 Set-up ����������������������������������������������������������������������������������������������������������������17
10 Parameter setting ��������������������������������������������������������������������������������������������18
10�1 Parameter setting in general ���������������������������������������������������������������������18
10�1�1 Switch between the menus���������������������������������������������������������������19
10�1�2 Change to the process value display (RUN mode) ��������������������������19
10�1�3 Lock / unlock�������������������������������������������������������������������������������������19
10�1�4 Timeout���������������������������������������������������������������������������������������������19
10�2 Settings for volumetric flow monitoring������������������������������������������������������20
10�2�1 Define the operating mode ���������������������������������������������������������������20
10�2�2 Define the internal pipe diameter������������������������������������������������������20
10�2�3 Configure the analogue output for flow (OUT2)��������������������������������21
10�2�4 Carry out the flow adjustment�����������������������������������������������������������21
10�3 Settings for temperature monitoring ����������������������������������������������������������22
10�3�1 Analogue output for temperature (OUT1) �����������������������������������������22

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1 Preliminary note
Technical data, approvals, accessories and further information at
www�ifm�com�
►Instructions
> Reaction, result
[…] Designation of keys, buttons or indications
→Cross-reference
Important note
Non-compliance may result in malfunction or interference�
Information
Supplementary note�
10�4 User settings (optional)������������������������������������������������������������������������������22
10�4�1 Configure standard display���������������������������������������������������������������22
10�4�2 Set the standard unit of measurement for flow���������������������������������22
10�4�3 Select the medium����������������������������������������������������������������������������22
10�4�4 Define colour of the display �������������������������������������������������������������23
10�4�5 Set the measured value damping�����������������������������������������������������23
10�4�6 Set output status in fault condition����������������������������������������������������23
10�4�7 Calibrate curve of measured values �������������������������������������������������23
10�5 Service functions ���������������������������������������������������������������������������������������24
10�5�1 Read min/max values �����������������������������������������������������������������������24
10�5�2 Reset all parameters to factory setting ���������������������������������������������24
11 Operation ���������������������������������������������������������������������������������������������������������24
11�1 Read the process value �����������������������������������������������������������������������������24
11�2 Read the set parameters ���������������������������������������������������������������������������25
12 Technical data��������������������������������������������������������������������������������������������������25
13 Fault correction������������������������������������������������������������������������������������������������25
14 Maintenance ����������������������������������������������������������������������������������������������������26
15 Factory setting �������������������������������������������������������������������������������������������������27

4
CAUTION
Warning of personal injury�
Slight reversible injuries may result�
2 Safety instructions
• 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 environ-
mental conditions without any restrictions�
• Only use the product for its intended purpose (→ 3 Functions and features)�
• Only use the product for permissible media (→ 12 Technical data)�
• 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 unit
must be carried out by qualified personnel authorised by the machine operator�
• Protect units and cables against damage�
3 Functions and features
The unit monitors liquids and gases� It detects the process categories flow and
medium temperature�
Application area
• Air
• Water
• Glycol solutions (reference medium: 35 % ethylene glycol solution)
• Low-viscosity oils (viscosity: ≤ 40 mm²/s at 40 °C / ≤ 40 cSt at 104 °F)
• High-viscosity oils (viscosity: ≥ 40 mm²/s at 40 °C / ≥ 40 cSt at 104 °F)
Selection of the medium to be monitored → 10.4.3�
This is a class A product�
The unit may cause radio interference in domestic areas�
►If required, take appropriate EMC screening measures�

5
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4 Function
• The unit detects flow based on the calorimetric measuring principle�
• The unit also detects the medium temperature�
• It features an IO-Link interface for parameter setting�
• The unit displays the current process value�
It generates 2 output signals according to the parameter setting:
OUT1: Parameter setting
- Analogue signal for temperature → 10.3.1
- IO-Link interface for parameter setting → 4.7
OUT2: Parameter setting
- Analogue signal for flow → 10.2.3
4.1 Operating modes (ModE)
The unit provides three selectable operating modes for flow measurement:
Operating mode Medium Display unit
REL liquids, air % (of the taught range → 10.2.4)
LIQU liquids m/s, l/min, m3/h (fps, gpm, cfm)
GAS air m/s, l/min, m3/h (fps, gpm, cfm)
The selected operating mode has no effect on the temperature measure-
ment, only absolute values in °C or °F are indicated.
The parameter settings are saved in the respective operating mode, i�e�
when the operating mode is changed, the settings are not lost�
If the operating modes LIQU and GAS are selected:
►Define the medium and the internal pipe diameter (→ 10.2.1)�
►If required, calibrate curve of measured values (→ 10.4.7)�

6
4.2 Select medium (MEdI)
The unit has characteristic curves for different media� Depending on the operating
mode, the following media can be selected in the menu (→ 10.4.3):
Operating mode
Medium REL LIQU GAS
*OIL1:
Viscosity ≥ 40 mm²/s at 40 °C / ≥ 40 cSt at 104 °F
**OIL2:
Viscosity ≤ 40 mm²/s at 40 °C / ≤ 40 cSt at 104 °F
H2O x x
OIL1* x x
OIL2** x x
GLYC x x
AIR x x
4.3 Define the internal pipe diameter (diA)
In the operating modes LIQU and GAS the internal pipe diameter has to be en-
tered to define the volumetric flow (→ 10.2.2)
�
4.4 Customer-specific calibration (CGA)
Via the calibration factor CGA the sensor can be adjusted to a reference flow in
the application�
The customer-specific calibration allows changing the gradient of the curve of
measured values� It influences the display and the outputs�
140 % ME
W
100 % ME
W
60 % MEW
MEWQ
A
V1
V0
V2
A = Operating value for display and
output signals
Q = Flow
MEW = Final value of the measuring
range
V0 = Curve of measured values at
factory setting
V1, V2 = Curve of measured values after
calibration

7
UK
The change in the gradient is indicated in percentage�
Factory setting: CGA = 100 %�
After a change the calibration can be reset to factory setting (→ 10.5.2)�
Depending on the set CGA factor, it may not be possible to use the com-
plete measuring range�
4.5 Analogue function
The unit provides an analogue signals that are proportional to the flow quantity
and the medium temperature�
Within the measuring range the analogue signal is 4���20 mA�
The measuring range is scalable:
• [ASP] determines at which measured value the output signal is 4 mA�
• [AEP] determines at which measured value the output signal is 20 mA�
Minimum distance between [ASP] and [AEP] = 20 % of the final value of the
measuring range�
For flow measurement in the operating mode [ModE] = REL, [ASP2] and
[AEP2] are not available� In this operating mode, the characteristic curve of
the analogue output is defined by the flow adjustment:
high flow = 20 mA; low flow = 4 mA�
If the measured value is outside the measuring range or in the event of an internal
error, the current signals indicated in figure 1 are provided�
For measured values outside the display range or in case of a fault, messages are
displayed (UL, OL, Err; → 13)�
The analogue signal in case of a fault is adjustable (→ 10.4.6):
• [FOU] = On determines that the analogue signal goes to the upper final value
(22 mA) in case of an error�
• [FOU] = OFF determines that the analogue signal goes to the lower final value
(3�5 mA) in case of an error�

8
MEWMAW AEPASP
Q[% MEW]
T -20 120
1000 130
4
3,5FOU=OFF
20
21,5
22
[mA]
FOU=On
1
2
5
4
3
Err UL OL Err
Figure 1: Characteristics of the analogue output according to the standard IEC 60947-5-7�
Q: Volumetric flow
T: Medium temperature
MAW: Initial value of the measuring range for non-scaled measuring range
MEW: Final value of the measuring range for non-scaled measuring range
ASP: Analogue start point with scaled measuring range
AEP: Analogue end point with scaled measuring range
UL: Below the display range
OL: Above the display range
Err: The unit is in the error state
1
Analogue signal
2
Measured value (flow or temperature)
3
Display range
4
Measuring range
5
Scaled measuring range
4.6 Measured value damping (dAP)
The damping time enables to set after how many seconds the output signal has
reached 63 % of the final value if the flow value changes suddenly� The set damp-
ing time stabilises the outputs, the display and the process value transfer via the
IO-Link interface� The signals [UL] and [OL] (→ 13 Fault correction) are defined
under consideration of the damping time�

9
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4.7 IO-Link
This unit has an IO-Link communication interface for parameter setting�
With a PC, suitable IO-Link software and an IO-Link adapter cable communication
is possible when the system is not in operation�
The IODDs necessary for the configuration of the unit, detailed information about
process data structure, diagnostic information, parameter addresses and the
necessary information about the required IO-Link hardware and software can be
found at www�ifm�com�
5 Mounting
CAUTION
For medium temperatures above 50 °C (122 °F) some parts of the housing can
heat up to over 65 °C (149 °F).
> Risk of burns�
►Protect the housing against contact with flammable substances and
unintentional contact�
►Ensure that the system is free of pressure during installation�
►Ensure that no media can leak at the mounting location during installa-
tion�
Using process adapters the unit can be adapted to different process connections�
Adapters have to be ordered separately as accessories�
• Information about the available mounting accessories at www�ifm�com�
• A correct fit of the unit and ingress resistance of the connection are only en-
sured using ifm adapters�
►Observe the instructions of the mounting accessories�
►Use a lubricating paste which is suitable and approved for the applica-
tion� Grease the threads of the process connection, adapter and sensor�
Ensure no grease is applied to the sensor tip�

10
►Take the tightening torques of sensor and fixing elements into account�
The following tightening torques apply to ifm sensors:
Types M18 x 1�5 and G1/2: 25 Nm
Types 1/2" NPT: 100 Nm
5.1 Installation position
General
The sensor tip must be completely
surrounded by the medium�
≥15 mm
Internal pipe
diameter (diA)
Immersion depth
< 120 mm ~ 15 mm
≥ 120 mm ~ ⅛ diA
Table 1: Immersion depth of the probe
For strong leverage on the measuring probe, e�g� due to high-viscosity or
strongly flowing media:
►Do not exceed the immersion depth indicated in table 1�
Recommended
For horizontal pipes:
mounting from the side�
For vertical pipes:
mounting in the rising pipe�

11
UK
Conditionally possible
Horizontal pipe /mounting from the bottom:
if the pipe is free from build-up�
Horizontal pipe /mounting from the top: if
the pipe is completely filled with medium�
Not allowed
The sensor tip must not be in contact with
the pipe wall�
Do not mount in downpipes that are open
at the bottom�

12
5.2 Interference in the pipe system
Components integrated in the pipes, bends, valves, reductions, etc� lead to turbu-
lence of the medium� This affects the function of the unit�
►Adhere to the distances between sensor and sources of interference:
S S
5...10 x D 3...5 x D
D = pipe diameter; S = sources of interference
5.3 Alignment
►To achieve the optimum measuring accuracy: mount the sensor in a way that
the flow goes to the larger of the two key surfaces (1)�
On units with an external thread, a bore hole in the key surface (2) indi-
cates the flow direction�
1
2

13
UK
For easier readability of the display the sensor housing can be rotated by 345°
with regard to the process connection�
Do not go beyond the end stop�
6 Electrical connection
The unit must be connected by a qualified electrician�
The national and international regulations for the installation of electrical
equipment must be adhered to�
Voltage supply according to EN 50178, SELV, PELV�
►Disconnect power�
►Connect the unit as follows:
43
2 1
BK: black
BN: brown
BU: blue
WH: white
BN
WH
BK
BU
4
1
3
2
L+
L
Colours to DIN EN 60947-5-2
Pin 1 L+
Pin 3 L-
Pin 4 (OUT1) • Analogue signal for temperature
• IO-Link for parameter setting
Pin 2 (OUT2) • Analogue signal for flow

14
7 Operating and display elements
4
2
1
6 5
3
1, 2, 3: Indicator LEDs
• LED 1, 3 = without function
• LED 2 = process value in the indicated unit of measurement:
SAxx04: %, m/s, l/min, m3/h, °C, 103
SAxx14: %, fps, gpm, cfm, °F, 103
4: Alphanumeric display, 4 digits
• Indication of the current process values in red or green characters
• Display of the parameters and parameter values
5: Buttons up [▲] and down [▼]
• Select parameter
• Change parameter value (hold button pressed)
• Change of the display unit in the normal operating mode (RUN mode)
• Lock / Unlock (buttons pressed simultaneously > 10 seconds)
6: Button [
●
] = Enter
• Change from the RUN mode to the main menu
• Change to the setting mode
• Acknowledge the set parameter value

16
Explanation main menu
t�HGH Flow adjustment to maximum value (high teach)
= 100 % flow with the operating mode REL�
t�LOW Flow adjustment to minimum value (low teach)
= 0 % flow with the operating mode REL�
INI Change to the Initialisation menu
ASP1 Analogue start point for temperature (OUT1)
= temperature value at which the output signal is 4 mA�
AEP1 Analogue end point for temperature (OUT1)
= temperature value at which the output signal is 20 mA�
ASP2 Analogue start point for flow (OUT2)
= flow value at which the output signal is 4 mA�
AEP2 Analogue end point for flow (OUT2)
= flow value at which the output signal is 20 mA�
EF Extended functions� Opening of the lower menu levels�
Explanation initialisation menu (INI)
ModE Selection of the operating mode for flow measurement: REL, LIQU, GAS�
MEdI Medium selection: H2O, GLYC, OIL1, OIL2, AIR�
diA Setting the internal pipe diameter in mm or inch�
CGA Calibration of the measurement graph (gradient) in %�
Explanation extended functions (EF)
rES Restoring the factory settings�
IO-L Activate IO-Link communication for parameter setting�
CFG Change to the submenu basic settings
MEM Change to the submenu min/max memory
DIS Change to the submenu display settings

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UK
Explanation basic settings (CFG)
uni Standard unit of measurement for flow�
dAP Measured value damping for flow�
FOU1 Behaviour of output 1 in case of a fault: OU, On, OFF�
FOU2 Behaviour of output 2 in case of a fault: OU, On, OFF�
Explanation min/max memory (MEM)
Lo�F Minimum value memory for flow�
Hi�F Maximum value memory for flow�
Lo�T Minimum value memory for temperature�
Hi�T Maximum value memory for temperature�
Explanation display settings (DIS)
coLr Colour configuration of the display: rEd (red), GrEN (green)�
diS Update rate and orientation of the display: d1���d3 (measured value update
rate), rd1���rd3 (display rotation), OFF (display off)�
SELd Standard display: flow or medium temperature
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�
For the analogue output 2 (OUT2), the output signal is at 20 mA during the pow-
er-on delay time�
In the first 2 seconds, analogue output 1 (OUT1) is passive and available for IO-
Link communication� During the remaining power-on delay time, the output signal
is at 20 mA�

18
10 Parameter setting
CAUTION
For medium temperatures above 50 °C (122 °F) some parts of the housing can
heat up to over 65 °C (149 °F).
> Risk of burns�
►Do not touch the device with your hands�
►Use another object (e�g� a ballpoint pen) to carry out settings on the unit�
Parameters can be set before installation or during operation�
If you change parameters during operation, this will influence the function�
►Ensure 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 complet-
ed�
The parameters can also be set via the IO-Link interface (→ 4.7)�
10.1 Parameter setting in general
1� Change from the RUN mode to the main menu [
●
]
2� Select the requested parameter [▲] or [▼]
3� Change to the setting mode [
●
]
4� Change the parameter value [▲] or [▼] > 1 s
5� Acknowledge the set parameter value [
●
]
6� Return to the RUN mode > 30 seconds (timeout) or
press [▲] + [▼] simultaneously
until the RUN mode is reached�
By pressing [▲] + [▼] simultaneously you exit the setting mode without
saving the changed parameter�

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UK
10.1.1 Switch between the menus
1� Change from the RUN mode to the main menu [
●
]
2� Select the parameter EF [▼]
3� Change to the sub-menu EF [
●
]
4� Select the parameters CFG, MEM, DIS [▼]
5� Change to the sub-menus CFG, MEM, DIS [
●
]
6� Return to the next higher menu level Press [▲] + [▼] simultaneously
10.1.2 Change to the process value display (RUN mode)
There are 3 possibilities:
I� Wait for 30 seconds (→ 10.1.4 Timeout)�
II� Press [▲] until the RUN mode is reached.
III� Press [▲] + [▼] simultaneously until the RUN mode is reached.
10.1.3 Lock / unlock
The unit can be locked electronically to prevent unintentional settings�
On delivery: not locked�
Lock ►Make sure that the unit is in the normal operating mode�
► Press [▲] and [▼] simultaneously for 10 s until [Loc] is displayed.
Unlock ►Make sure that the unit is in the normal operating mode�
► Press [▲] and [▼] simultaneously for 10 s until [uLoc] is displayed.
10.1.4 Timeout
If no button is pressed for 30 s during parameter setting, the unit returns to the
operating mode with unchanged values�

20
10.2 Settings for volumetric flow monitoring
►Select the operating mode [ModE] first before doing all the other settings
(→ 10.2.1)�
For the operating modes GAS and LIQU, the flow values are set in the unit
defined in [uni]�
►If necessary, change the unit before setting the flow values�
For the operating mode REL the unit % is always used�
10.2.1 Define the operating mode
►Select [ModE] and define the operating mode: REL, GAS, LIQU�
A medium and an internal pipe diameter must be entered for the
operating modes LIQU and GAS�
When the factory setting is changed (ModE = REL), the unit displays
[≡≡≡≡] to force these entries:
►Press [
●
]�
> [MEdI] is displayed�
►Define medium�
> [diA] is displayed�
►Define the internal pipe diameter in mm or inch�
The operating mode REL requires a flow adjustment → 10.2.4�
A change of the operating mode leads to a restart of the unit�
The settings are saved in the respective operating mode,
i�e� after a change of the operating mode the settings are not
lost�
Menu INI:
[ModE]
10.2.2 Define the internal pipe diameter
►Select [diA] and define the internal pipe diameter:
SAxx04: 15���400 mm
SAxx14 0,6���16 inch
[diA] is only available if the operating mode GAS or LIQU is selected�
Menu INI:
[diA]
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1
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