turck IM12-FI01-1SF-1R User guide

Your Global Automation Partner
Safety Manual
IM(X)12-FI01-1SF-1R
Frequency Transducer

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Contents

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1 About this Document 5
2 Scope 5
3 Safety Integrity Level 5
4 Product Description 6
4.1 Safety function 7
4.2 Safety accuracy 7
4.3 Safe state 7
4.4 Alarm state 7
5 Safety Planning 8
5.1 Architectural specications 8
5.2 Assumptions 8
5.3 FMEDA results 9
5.4 Examples for using the results 9
5.4.1 Probability of dangerous failure per hour (High Demand Mode) 9
5.4.2 Average probability of dangerous failure on demand (Low Demand Mode) 10
6 Operation Instructions 11
6.1 General 11
6.2 Before operation 12
6.3 Parameterization 14
6.3.1 Parameters 14
6.3.2 Parameter check 17
6.4 Operation 18
6.5 After operation 19
7 Appendix: Connection and Wiring Diagrams 20
8 Appendix: Terms and Abbreviations 21
9 Appendix: Proof Test 22
10 Appendix: Document History 22
Contents

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1 About this Document
This safety manual contains all information that is required to operate the device in functional
safety systems. Read this manual carefully before using the device.
This document addresses only functional safety according IEC 61508. Other, e.g. intrinsic safety,
is not considered.
All instructions must be followed in order to assure functional safety.
Always make sure that this is the latest version of the safety manual at www.turck.com.
TheEnglish versionis considered the definitive document. Care was taken in the production of
the translations of this document. If there is any uncertainty in its interpretation. Always refer to
theEnglish version of the safety manual or contact Turck directly.
2 Scope
This safety manual is valid for the following devices:
Product
Number
Product Name Number of
Channels
Terminal Block Design Power-Bridge-
Connection
Intrinsic Safety
7580200 IMX12-FI01-1SF-1R-PR/24VDC 1 screw clamps yes yes
7580201 IMX12-FI01-1SF-1R-0/24VDC 1 screw clamps no yes
7580202 IMX12-FI01-1SF-1R-PR/24VDC/CC 1 spring-type terminals yes yes
7580203 IMX12-FI01-1SF-1R-0/24VDC /CC 1 spring-type terminals no yes
7580220 IM12-FI01-1SF-1R-PR/24VDC 1 screw clamps yes no
7580221 IM12-FI01-1SF-1R-0/24VDC 1 screw clamps no no
7580222 IM12-FI01-1SF-1R-PR/24VDC/CC 1 spring-type terminals yes no
7580223 IM12-FI01-1SF-1R-0/24VDC /CC 1 spring-type terminals no no
In the following chapters the devices are divided
■IMX12-FI01-1SF-1R
■IM12-FI01-1SF-1R
3 Safety Integrity Level
The devices are rated to a SIL of
SIL 2

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Product Description
4 Product Description
In the following chapter the individual variants are described:
All information provided in this chapter is not part of safety function.
IMX12-FI01-1SF-1R Single-channel rotation speed monitor/frequency converter
Frequency range 0…20 kHz.
With intrinsically safe ex protection.
Reaction time digital output is 50 ms
Parameterization via switches
Inputs
– NAMUR-Sensors according to EN 60947-5-6, line monitoring (up to 20 kHz)
– potential free contacts (up to 10 kHz)
Outputs
– Common alarm output (MOSFET), potential free
– Relay output SPDT
– monitoring overshoot/undershoot and window limits
– working direction adjustable
– reaction time digital output < 50 ms
IM12-FI01-1SF-1R Single-channel rotation speed monitor/frequency converter
Frequency range 0…20 kHz.
Reaction time digital output is 50 ms
Parameterization via switches
Inputs
– NAMUR-Sensors according to EN 60947-5-6, line monitoring (up to 20kHz)
– PNP/NPN-sensors
– potential free contacts (up to 10 kHz)
– external signal source
– 0-signal 0…3 V
– 1-signal 5…30 V
Outputs
– Common alarm output (MOSFET), potential free
– Relay output SPDT
– monitoring overshoot/undershoot and window limits
– working direction adjustable
– reaction time digital output < 50 ms

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4.1 Safety function
IMX12-FI01-1SF-1R
IM12-FI01-1SF-1R
The measured or monitored value at input [E1] are transmitted to the output [A1D] according to
parameterization and within the local process safety time observing the permissible safety accuracy.
Local process safety time is:
■fin > 1,124 Hz: 1 s
■fin < 1,124 Hz:1/f+110 ms
The power bridge is not part of safety-function.
The LED are not part of the safety-function.
The common alarm output is not part of safety function.
Two devices must not be used for the safety-function, e. g. to increase the hardware fault toler-
ance to achieve a higher SIL.
A 1oo2 architecture does not achieve a SIL3.
The safety function is executed2 safter power-on.
The frequency limits for the inputs are:
■NAMUR-Sensors according to EN 60947-5-6, line monitoring ,1 µHz…10 kHz, pulse pause
ratio > 50 µs
■PNP/NPN-sensors,1 µHz…to 10 kHz, pulse pause ratio > 50 µs
■potential free contacts,1 µHz… 10 kHz,pulse pause ratio > 50 µs
■external signal source,1 µHz… to 10 kHz, pulse pause ratio >50 µs
ū0-signal 0…3 V
ū1-signal 5…30 V
The local process safety time is the periodical internal diagnostic check (900 ms) + reaction
time.
4.2 Safety accuracy
The safety accuracyΔtotaldepends on the variant and its configuration.
In order to evaluate the safety accuracy for an individual configuration the following informa-
tion is required:
■Δ[Ex] is < 0.1 % of input frequency
Assignment [E] to [A] Δtotal
[E1] [A1D] Δtotal=Δ[E1]
4.3 Safe state
IMX12-FI01-1SF-1R
IM12-FI01-1SF-1R
The safe state is defined as the output is de-energized (A1D).
4.4 Alarm state
Internal diagnostics are provided in order to detect random hardware failures that result in
a failure of the function. If a failure is detected the device goes into the alarm state. The time
between the occurance of the failure and the time to achieve the alarm state is less than 1s.
The device remains in alarm state as long as the failure persists, at least for 1s.
IMX12-FI01-1SF-1R
IM12-FI01-1SF-1R
The alarm state is defined as the output is de-energized (A1D).

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Safety Planning
5 Safety Planning
This chapter provides information for planning a safety-related loop.
The device is not specified for a certain application. Make sure that the data provided in this
chapter is valid for your target application.
Special application-specific factors may cause the premature wear of the device and must be
taken into consideration when planning systems; take special measures to compensate for a
lack of experience based values, e.g. through implementation of shorter test intervals.
The suitability for specific applications must be assessed by considering the particular overall
safety-related system with regard to the requirements of IEC 61508.
Safety-planning must only be carried out by trained and qualified personnel.
If there is any doubt contact Turck directly.
5.1 Architectural specications
Due to architectural considerations the following characteristics are specified:
Type B
HFT 0
Experience has shown that the useful lifetime often lies within a range of 8 to 12 years. It can
be significantly less if elements are operated near their specification limits. However, it can
be extended by appropriate measures. For example, heavy temperature fluctuations could
potentially decrease the useful lifetime, as constant temperature below 40 °C could potentially
increase the useful lifetime.
The relay [A1D] must be protected against an over current (cos phi = 1, I = 2 A AC).
For the relay outputs the useful lifetime is 8 to 12 years or 30.000 switching cycles.
5.2 Assumptions
■Failure rates are constant for 10 years, wear out mechanisms are not included
■Propagation of failures are not relevant
■External power supply failure rates are not included
■All components that are not part of the safety function and cannot influence the safety func-
tion (feedback immune) are excluded.
■Only one input and one output are part of the safety function

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5.3 FMEDA results
The following safety characteristic are results of FMEDA.
Digital output λSD λSU λDD λDU λAU Noeect DC [λDD/λD] SFF
IMX12-FI01-1SF-1R 0 FIT 196.5 FIT 249.5 FIT 38 FIT 0 FIT 409.4 FIT 86,78 % 92.15 %
IM12-FI01-1SF-1R 0 FIT 196.5 FIT 249.5 FIT 38 FIT 0 FIT 409.4 FIT 86,78 % 92.15 %
The stated Safe Failure Fraction (SFF) is for reference only. The complete subsystem will need
to be evaluated to determine the overall SFF. The failure rates used in this analysis are the basic
failure rates from the Siemens standard SN 29500 based on the average ambient temperature
of components of 40 °C.
“No effect” is a failure mode of a component that plays part in implementing the safety func-
tion but is neither a safe nor a dangerous failure. According to IEC 62061, it would be possible
to classify the“No effect” failures as“Safe Undetected”failures. Not doing so represents the
worst-case.
5.4 Examples for using the results
5.4.1 Probability of dangerous failure per hour (High Demand Mode)
The sum of the diagnostic test interval and the time to achieve the specified safe/alarm state is
less than 1s. The ratio of the diagnostic test rate to the demand rate shall equal or exceed 100.
Digital Output PFH
IMX12-FI01-1SF-1R 39.99E-09 1/h
IM12-FI01-1SF-1R 39.99E-09 1/h

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Safety Planning
5.4.2 Average probability of dangerous failure on demand (Low Demand Mode)
With the FMEDA results and the values specified in the following table the average frequency of
dangerous failure can be calculated as an example:
T1 8760 h
MTTR 24 h
Digital output PFDavg
IMX12-FI01-1SF-1R 1.73E-04
IM12-FI01-1SF-1R 1.73E-04

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6 Operation Instructions
6.1 General
➤ The device must be registered online: http://www.turck.com/SIL or with the supplied SIL
registration card. This must be filled in with all required information upon receipt and sent to
Turck.
➤ The device must only be carried out, fitted, installed, operated, commissionedand main-
tained by trained and qualified personnel.
➤ The device is not specified for a certain application. Make sure that application-specific as-
pects are considered.
➤ Data from other documents, e.g. data sheets, is not valid for functional safetyoperation. De-
vices must be used in cabinets in an typical industrial field environment only. The following
restrictions describe the operation and storage conditions:
➤ Ensure that the environment complieswith the following ratings:
Minimum ambienttemperature -25 °C
Maximum ambient temperature 70 °C
Minimum storage temperature -40 °C
Maximum storage temperature 80 °C
Maximum air humidity 95 %
Minimum air pressure 80 kPa
Maximum air pressure 110 kPa
➤ The average temperature over a long period of time directly on the exterior sidewall of the
housing must be maximum 40 °C.
ūThe temperature on the exterior sidewall of the housing can deviate considerably from the
temperature in the control cabinet.
ūThe temperature on the exterior sidewall of the housing must be observed in a steady state.
ūIn case the temperature on the exterior sidewall of the housing is higher, the failure rates
from„5.3 FMEDA results“ on page 9 must be adjusted:
For a higher average temperature of 60 °C on the exterior sidewall of the housing, the failu-
re rates are multiplied by an experience factor of 2.5.
➤ Ensure that sufficient heat dissipation is provided.
➤ Protect the device from radiated heat and severe temperature fluctuations.
➤ Protect the device from dust, dirt, moisture, shock, vibration, chemical stress, increased
radiationand other environmental influences.
➤ Ensure a degree of protection of at least IP20 according toIEC 60529 at the mounting
location.
➤ Ensure that the electromagnetic stress does not exceed the requirements of IEC 61326-3.1.
➤ If there is avisible error, e.g. defective housing the device must not be used.
➤ During operation of the device, surface temperatures may occur that could lead to burns if
touched.
➤ The device must not be repaired. If problems occur with regard to functional safety, Turck
must be notified immediately and the device must be returned immediately to:
Hans Turck GmbH & Co. KG
Witzlebenstraße 7
45472 Mülheim
Germany
➤ The device must not stay in safe state longer than 24h. If the cause of entering the safe state
was not corrected the device must be replaced.

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Operation Instructions
6.2 Before operation
➤ Fasten the device to a rail according to EN 60715 (TH35) as follows:
Fig. 1: Fasten the device
➤ Connect cables according to the wiring diagrams in „Appendix: Connection and Wiring
Diagrams“ on page 20.
➤ Use cables with terminal cross section
ūrigid: 0.2 mm2to 2.5 mm2or
ūflexible 0.2 mm2to 2.5 mm2
➤ When wiring with stranded wires: Fix the wiring ends with ferrules.
Connection via screw terminals
➤ Insert the stripped cable ends (7 mm)in the guides of the cable glands.
➤ Fasten the screws with a screwdriver (max. tightening torque 0.5 Nm) to affix the cable ends.
Fig. 2: Connection with screw terminals
0.5 Nm
(4.43 LBS-inc)
0.2…2.5 mm2
(24…13 AWG)
1
2
7 mm

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Connection with spring-type terminals
➤ Push theopening leverwith a suitable screwdriver.
➤ Insert the stripped cable ends (7 mm) in the guides of the spring-type terminals.
➤ Pull the screwdriver to fix the cable ends.
Fig. 3: Connection with spring-type terminals
➤ Make sure that only suitable equipment, e.g. sensors,are connected to the device (see „Ap-
pendix: Connection and Wiring Diagrams“).
➤ Make sure that a suitable power supply with the following characteristic is used:
Minimum voltage 10 VDC
Maximum voltage 30 VDC
Minimum Power 4 W
2
1
0.2…2.5 mm2
(24…13 AWG)
7 mm

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Operation Instructions
6.3 Parameterization
The user must select the parameters suitable for its safety application.
6.3.1 Parameters
The parameters are set using the switches on the housing side.
This is done with the help of a screwdriver.
If the teach button is pressed for 3 s, the parameters are adopted.
Sensor type
Selection Description
NAMUR NAMUR sensor according to EN 60947-5-6
– 0-signal: sensor not actuated
– 1-signal: sensor actuated
Switch Potential free contact
– 0-signal: switch open
– 1-signal: switch closed
Voltage signal Voltage signal:
– 0-signal 0…3 V
– 1-signal 5…30 V
3-wire PNP 3-wire sensor (positive, negative, positive)
– 0-signal: sensor not actuated (0 V)
– 1-signal: sensor actuated (12 V)
3-wire NPN 3-wire sensor (negative, positive, negative)
– 0-signal: sensor not actuated (12 V)
– 1-signal: sensor actuated (0 V)
Line monitoring (for NAMUR-sensors):
Selection Description
Off Line monitoring is switched off
Wire break and short circuit Line monitoring short circuit and wire break
Parameters:
Switch Parameter State Comment
S1 Line monitoring OFF/ON OFF/ON
S2 Relay mode 2P/4P (2-point)/(4-point)
S3 2P: Under/Overspeed Under/Over Under-/Overspeed
S4 Relay diretion Ninv/inv (not inverted)/(inverted)
S5 Function Relay Loc OFF/ON OFF/ON
S6 Locked switching LocOn/Locoff Locked On/Locked Off
S7 SUD Input [E2]/[E3] Input [E2]/input [E2]
S8 SUD mode Dyn/Stat Dynamic/Static

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Rotary switches:
The function on/off delay is not part of the safety function and must be set to 0 s.
[A1D] switching point: G = (M1 * 100 + M2 * 10 + M3 * 1) * 10EHz
Example 1: 321 mHz: M1 = 3, M2 = 2, M1 = 1; E = -3
Example 2: 50.6 kHz: M1 = 5, M2 = 0, M1 = 6; E = 2
Hysteresis: H = {0.5, 1.0, 2.5, 5.0, 7.5, 10.0, 12.5, 15.0, 17.5, 20.0} [%]
Switching mode
Selection Description
2-point In 2-point mode a lower switch point BotOff and an upper switch point TopOn can be defined in
the permissible measuring range.
The switch points must fulfill the following condition:
BotOff ≤ TopOn
The hysteresis can be 0.
The switching behavior depends on parameter “inversion”.
The following figure shows the switching behavior when inversion is deactivated:
Fig. 4: 2-point mode
4-point In 4-point mode a window with a lower and upper hysteresis is formed.
The switch points must fulfill the following condition:
BotOff ≤ BotOn < TopOn ≤ TopOff
The hysteresis can be 0.
The switching behavior depends on parameter “inversion”.
The following figure shows the switching behavior when inversion is deactivated:
Fig. 5: 4-point mode
S1
S8
[E
1
]F
max
[kHz]
0.1
0.2
0.15.0
1.5
2
510 15 20
0
1
-3 -2 -1
E
2
3
0
14
5
678 9
M3
2
3
0
14
5
678 9
M2
2
3
0
1
2
43
5
678 9
M1
[A
1
D] switching point
Hysteresis[%]
0.5
1.0
0.55.2
7.5
10
12.5
15.0 17.5
20
[A
1
D] SUD[s]
OFF
0.1
15.0
5
10
30 60 90 120
[A
1
D] ON /OFF delay[s]
0/0
0.5/0
0.75/01.0/0
0/0.5
0/0.75
0/1
0.5/0.50.75/0.75
1/1
Config
BotOTopOn f [Hz]
de-energized
energized
Relay
BotOBotOn TopOn TopO f [Hz]
de-energize
dd
e-energized
energized
Relay

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Operation Instructions
BotOn/BotO/TopOn/TopO
These parameters represent the switching threshold for 2-point and 4-point switching modes.
The switching thresholds must not exceedthe measuring range.
These parameters represent the switching threshold for 2-point switching modes:
Selection Mode Switching point Range
BotOff Under/NInv G 0…fmax
TopOn Under/NInv G * (1 + H[%]/100 %) < fmax
BotOn Over/NInv G * (1 - H[%]/100 %) 0…fmax
TopOff Over/NInv G < fmax
BotOn Under/Inv G 0…fmax
TopOff Under/Inv G * (1 + H[%]/100 %) < fmax
BotOff Over/Inv G * (1 - H[%]/100 %) 0…fmax
TopOn Over/Inv G < fmax
These parameters represent the switching threshold for 4-point switching modes:
Selection Mode Switching point Range
BotOff NInv G * (1 - 1.2 * H[%]/100%) > 0
BotOn NInv G * (1 - H[%]/100%)
TopOn NInv G * (1 + H[%]/100%)
TopOff NInv G * (1 + 1.2 * H[%]/100%) 0…fmax
BotOn Inv G * (1 - 1.2 * H[%]/100%) > 0
BotOff Inv G * (1 - H[%]/100%)
TopOff Inv G * (1 + H[%]/100%)
TopOn Inv G * (1 + 1.2 * H[%]/100%) < fmax
Locking function
This parameter depends on the physical state of the relay. Parameter “Inversion” is regarded.
Selection Description
Switched on The relay switches on according to the measured value and selected
configuration. It stays permanently locked on.
The locked state is left after power on reset or detection of a failure.
Switched off The relay switches off according to the measured value and selected
configuration. It stays permanently locked off.
The locked state is left after power on reset.
Switching on/o delay
The value of this parameter specifies the switch on/off delay after detection of of switch on/off
condition.
Values between 0.05…75 s are possible.
Selection Description (Ex, NEx)
On delay The value of this parameter speci-
fies the switch on delay after detec-
tion of switch on condition.
0.0, 0.5, 0.75, 1.0 s
Off delay The value of this parameter speci-
fies the switch off delay after detec-
tion of switch on condition.
0.0, 0.5, 0.75, 1.0 s

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Inversion
Selection Description
Activated This function enables the inversion of the switching state (instead of off,
on and vice versa).
Deactivated If the inversion function is disabled, the switching state is transferred to
the digital output A1D without inversion according to the parameter
setting.
Hysteresis
The hysteresis is adjustable between 0.5…20 %.
Start up delay (SUD)
This function must not be used for safety applications (choose SUD = 0 s)
The SUD is adjustable between off…120 s.
Selection Description (Ex, NEx)
SUD (Start up delay) SUD causes a delayed switching
behavior of [A1D] after detection of
a SUD condition. 0 s means SUD is
switched off.
0.0, 0.1, 0.5, 1.0, 5, 10, 30, 60, 90,
120s
Fmax
Fmax the maximum frequency of the used sensor and adjustable between 0.1…20 kHz.
If the measured input frequency is higher than the adjusted value, the device falls into the safe
state.
Cong
If the parameters are set, push config button between 2 and 6 seconds.
In this way the device takes over the set values.
If the button is pushed less than 2 seconds or more then 6 seconds, the new parameter set will
not be taken over and the“old” parameter set remains.
The successful take over will be signalized via LED (red LED is flashing 4 times).
As long as the config button is pushed, the device remains in the safe state.
You must not push config button during operation!
6.3.2 Parameter check
■The proof test (see „Appendix: Proof Test“ on page 22) shall be executed in order to check
the requested function and parameterization.
■The tests shall be executed even if the device was not parameterized.
■Within the proof tests each relevant parameter shall be checked for correct function.
■The device shall be locked against unintended operation/modification.
■The device must not parameterized during operation.
■The proof test shall be documented.

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Operation Instructions
6.4 Operation
■If the device is used in low demand mode, proof tests shall be executed periodically accord-
ing to T1 (see „Appendix: Proof Test“ on page 22).
■Ensure that the plug connections and cables are always in good condition.
■The device must be replaced immediately if the terminals are faulty or the device has any vis-
ible faults.
■If cleaning is required, do not use any liquid or statically charging cleaning agent. Perform
proof tests after each cleaning (see „Appendix: Proof Test“ on page 22).
■The device must be replaced before remaining longer than 24 h within the safe state due to
an internal failure
■The proof test (see „Appendix: Proof Test“ on page 22) shall be executed each time after
installation and parameterization in order to check the requested function.
■The DIP switches shall not be modified during operation. The device shall be locked against
unintended operation/modification.
Fig. 6: Output relay load curve
The connection of a deactivated input is unnecessary.
A
10
0,10,5 12 520
V
50
100
200
300
400
10
DC
resistive load
AC
resistive load
for safety applications
Imax = 2 A

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6.5 After operation
➤ Undo the terminal connection on the device.
➤ Remove the device from its rail fixing as shown in the figure:
Fig. 7: Remove device
➤ Ensure the dispose of the device.

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Appendix: Connection and Wiring Diagrams
7 Appendix: Connection and Wiring Diagrams
The pin number assignment can be found at the front label.
Fig. 8: Output relay load curve
The load curve of the relay [A1D] must be observed. The relay must be protected against
overcurrent.
IMX12-FI01-1SF-1R
A
10
0,10,5 12 520
V
50
100
200
300
400
10
DC
resistive load
AC
resistive load
for safety applications
Imax = 2 A
GN/RD
Pwr/Err
16 –
15 +
YE/RD
E1
YE
SUD
YE/RD
A1D
14 –
13 +
10…30 VDC
E3
A1D
12
11
10
SUD
only
ON
12345
NC
X1X2 X3 X4
+
X5
–
Common
Alarm
Output
0…3 VDC /
10…30 VDC
E1
E2
NAMUR
BN
BU
NAMUR
BN
BU
SUD
only
no line
monitoring
7 +
8 –
5 +
6 –