IFM MN7 S Series User manual

Original operating instructions
RFID-coded safety sensor
MN7xxS UK
80256459 / 00 01 / 2018

2
Contents
1 Preliminary note���������������������������������������������������������������������������������������������������3
1�1 Symbols used ������������������������������������������������������������������������������������������������3
1�2 Warning signs used ���������������������������������������������������������������������������������������3
2 Safety instructions �����������������������������������������������������������������������������������������������4
2�1 Safety-related requirements regarding the application����������������������������������4
2�2 Radio equipment �������������������������������������������������������������������������������������������5
2�3 Interference of electronic and medical devices ���������������������������������������������6
3 Items supplied������������������������������������������������������������������������������������������������������6
4 Functions and features ����������������������������������������������������������������������������������������6
5 Function���������������������������������������������������������������������������������������������������������������7
5�1 Limit range and operating range��������������������������������������������������������������������7
6 Installation������������������������������������������������������������������������������������������������������������8
6�1 Actuating directions ���������������������������������������������������������������������������������������8
7 Electrical connection��������������������������������������������������������������������������������������������9
8 Programming �����������������������������������������������������������������������������������������������������10
9 Operation����������������������������������������������������������������������������������������������������������� 11
9�1 Switching state of the outputs���������������������������������������������������������������������� 11
9�1�1 The safe state������������������������������������������������������������������������������������� 11
9�1�2 The switched state������������������������������������������������������������������������������ 11
9�1�3 Cross fault / short circuit��������������������������������������������������������������������� 11
9�2 Interface classification ��������������������������������������������������������������������������������� 11
9�2�1 Identification key��������������������������������������������������������������������������������� 11
9�3 LED display �������������������������������������������������������������������������������������������������12
9�3�1 5-wire design ��������������������������������������������������������������������������������������12
9�3�2 8-wire design ��������������������������������������������������������������������������������������13
10 Technical data��������������������������������������������������������������������������������������������������14
10�1 Drawing������������������������������������������������������������������������������������������������������16
11 Troubleshooting �����������������������������������������������������������������������������������������������16
12 Maintenance, repair and disposal��������������������������������������������������������������������17
13 Terms and abbreviations����������������������������������������������������������������������������������17

3
UK
1 Preliminary note
The instructions are part of the unit� They are intended for authorised persons ac-
cording to the EMC, Low Voltage and Machinery Directive and safety regulations�
The instructions contain information about the correct handling of the product�
Read the instructions before use to familiarise yourself with operating conditions,
installation and operation�
Follow the safety instructions�
1.1 Symbols used
►Instructions
> Reaction, result
→Cross-reference
Important note
Non-compliance may result in malfunction or interference�
Information
Supplementary note�
LED lights green
LED lights red
LED lights orange
LED lights green, red or orange
LED flashes
LED off
1.2 Warning signs used
WARNING
Warning of serious personal injury�
Death or serious irreversible injuries may result�
14 Approvals/standards ����������������������������������������������������������������������������������������18
14�1 FCC Notices (USA, Canada)���������������������������������������������������������������������18

4
2 Safety instructions
• Follow the operating instructions�
• Improper use may result in malfunctions of the unit� This can lead to personal
injury and/or damage to property during operation of the machine� For this rea-
son note all remarks on installation and handling given in this document� Also
adhere to the safety instructions for the operation of the whole installation�
• In case of non-observance of notes or standards, especially when tampering
with and/or modifying the unit, any liability and warranty is excluded�
• If the sensor is damaged, the safety function cannot be guaranteed�
• Errors caused by damage cannot be detected by the sensor�
• The unit must be installed, connected and put into operation by a qualified
electrician trained in safety technology�
• The applicable technical standards for the corresponding application must be
complied with�
• For installation the requirements according to EN 60204 must be observed�
• In case of malfunction of the unit please contact the manufacturer� Tampering
with the unit is not allowed�
• Disconnect the unit externally before handling it� Also disconnect any inde-
pendently supplied relay load circuits�
• After installation, maintenance or repair of the system perform a complete
function check�
• Only use the unit under the specified operating conditions (→ 10 Technical
data)� In case of special operating conditions please contact the manufacturer�
• Use only as described below (→ 4)�
2.1 Safety-related requirements regarding the application
It must be ensured that the safety requirements of the respective application
correspond to the requirements stated in these instructions�

5
UK
WARNING
Failure of the safety function
When used outside of the defined environmental conditions, the safety-related
function of the sensor cannot be guaranteed�
►Use only in accordance with the defined environmental conditions (→ 10
Technical data)�
Use of the sensor in the vicinity of chemical and biological media (solid, liquid,
gaseous) as well as ionising radiation is not permitted�
Observe the following requirements:
►Only use cable glands, insulation material and connection wires that have an
appropriate protection rating�
►Adhere to ISO 14119 for interlocking devices associated with guards�
►Adhere to the principle of normally closed operation for all external safety
circuits connected to the system�
►The device must not be installed or operated in the environment of strong
magnetic fields�
►Do not use the device as an end stop�
►In case of faults within the sensor which result in the defined safe state: Take
measures to maintain the safe state when the complete control system contin-
ues to be operated�
►Sensors and actuators must be protected from strong shocks and vibrations�
Observe the permissible environmental conditions (→ 10 Technical data)�
►Annual function test (→ 12 Maintenance, repair and disposal)�
►Replace damaged units�
2.2 Radio equipment
In general, the device must not be used in the vicinity of petrol stations, fuel de-
pots, chemical plants or blasting operations�
►Do not transport and store any flammable gases, liquids or explosive substanc-
es near the unit�

6
2.3 Interference of electronic and medical devices
Operation of the unit can affect the function of electronic devices that are not
correctly shielded�
►Disconnect the device in the vicinity of medical equipment�
►Contact the manufacturer of the corresponding device in case of any interfer-
ence�
3 Items supplied
1 RFID-coded safety sensor, 1 RFID-coded actuator,
4 washers, 8 cover caps,
1 x original operating instructions, ident number 80256459�
If one of the above-mentioned components is missing or damaged, please contact
one of the ifm branch offices�
4 Functions and features
RFID-coded safety sensors detect the corresponding actuators (ID-tags) without
contact�
Coding levels according to EN ISO 14119:
Sensor type Performance Coding level
Coded Each sensor recognises each actuator of this type� low
Codable The sensor can be programmed for a specific actuator� low
Unique coding The sensor only detects the actuator with the corre-
sponding coding�
high
Safety-related function SF: The safe state (output stage switched off; Logic "0") is
achieved if the distance to the actuator is greater than or equal to the safe switch
off distance sar (→ 10 Technical data)�
►Observe the notes on installation (→ 6 Installation)�
The RFID-coded safety sensor has been certified by TÜVSüd�

7
UK
5 Function
ACT
IN
OUT
PWR
1
LED
2
Operating area
3
Switch-on distance sn (= 12 mm)
4
Limit range
5
Safe switch-off distance sar (= 16 mm)
5.1 Limit range and operating range
LED states when aligning the sensor with the actuator
Status Description LED
PWR
OUT
IN *)
ACT
ACT
IN
OUT
PWR
Actuator outside the limit area
4
Nominal voltage connected
> Inputs active
> Outputs deactivated
ACT
IN
OUT
PWR
Actuator within the actuating area
2
> Outputs activated
ACT
IN
OUT
PWR
Actuator leaves actuating area
2
and is in the
limit area
4
> Outputs remain active
ACT
IN
OUT
PWR
The distance of the actuator to the sensor is larger
than or equal to sar
5
> Outputs deactivated
*)LED [IN] is not on in case of MN700S and MN703S�

8
Approach curves of the sensors at www�ifm�com:
→ General information about mounting and operation
6 Installation
6.1 Actuating directions
The sensor recognises the actuator from three different directions
2
�
►When mounting the device, align the central marks
1
of the sensor and the actuator
in parallel to each other�
1
2
1
Reference marks (central mark)
2
Actuating direction
• The actuator must not touch the sensor during operation�
• Do not adjust the device using mechanical force�
• Only mount on a flat surface to avoid damage or changes of the sensing range�
When using several sensors, a minimum distance of 50 mm in each direc-
tion must be maintained�
►Fasten the sensor and the actuator with two screws each (M4, > 18 mm) (tight-
ening torque 0�8���2 Nm)�
Using less than two screws for each component is not permissible�
According to EN ISO 14119, the actuator must be fixed immovably�
Safety screws with one-way heads, rivets or the like are to be used�
After mounting, insert the supplied cover caps to make it more difficult to access
screws or rivets�

9
UK
7 Electrical connection
►Disconnect power� Also disconnect any independently supplied relay load
circuits�
Cable Connector
BK: black RD: red
BN: brown VT: violet
BU: blue WH: white
4
2 1
3
5
6
21
45
7
38
OS1
OS2
O3
IN1
IN2
+
L
L
BN
RD/WH
BK/WH
BK
BU
RD
OS1
OS2
O3
1
2
3
4
5
IN1
IN2
+
L
L
PVC cable, 6 x 0�5 mm² M12 connector, 5-pole
OS1
IN1
BN
BU
IN2
+
L
L
RD
VT
RD/WH
BK/WH
BK
VT/WH
IN2
OS2
IN1
O3 2
OS1
IN1
1
3
IN2
+
L
L
2
6
4
7
5
8
IN2
OS2
IN1
O3
IN3
2
PVC cable, 8 x 0�34 mm² M12 connector, 8-pole
1
Safety-related logic unit
2
Programmable Logic Controller (PLC)
3
Programming input (MN702S, MN705S)
In case of a single fault, the supply voltage must not exceed a maximum
of 60 V DC� (This requires the safe separation between power supply and
transformer SELV / PELV�)
The maximum permitted cable length is 50 m�

10
8 Programming
The programmable version of the sensor is provided with a special programming
input (IN3) that recognises the stored code in a new actuator�
The programming can be repeated as often as you like� After successful program-
ming, the sensor will only recognise the code of the most recently programmed
actuator�
The sensor may only be programmed by qualified staff�
LED Status Description
PWR
OUT
IN
ACT
Switch-on operation ►Connect the sensor to the nominal voltage�
> The device executes internal tests�
Operation Waiting for the input signal�
Operation Input signals available�
Waiting for actuator�
Programming
►Activate the programming input IN3 by con-
necting the nominal voltage (> 3 s)�
> Waiting for actuator�
Programming ►Hold the new actuator to the sensor�
> New code is successfully stored�
Programming ►Deactivate programming input IN3�
> Programming finished�
Switch-on operation Automatic restart
> The device executes internal tests�
LED green LED red LED orange
LED flashes LED green, red or orange LED off
►After successful programming, test if the new actuator is recognised and the
sensor functions properly�

11
UK
9 Operation
9.1 Switching state of the outputs
9.1.1 The safe state
The safe state is when the output is switched off (zero-current state: Logic "0") of
at least one of the outputs OS1 or OS2 (OSSDs)�
If one of the outputs OS1 or OS2 is switched off, the subsequent safety-related
logic unit must bring the complete system into the state defined as safe�
9.1.2 The switched state
If the coded actuator is in the enable zone and if there is no sensor error, both
outputs OS1 and OS2 (OSSDs) are enabled (logic "1")�
9.1.3 Cross fault / short circuit
• A cross fault between both outputs (OS1 and OS2) is detected by the fail-safe
sensor and results in the outputs (OSSD) being switched off� The outputs OS1
and OS2 remain switched off until the error has been removed or a voltage
reset has been carried out�
• A cross fault (short circuit) between one of the two outputs (OS1 or OS2) and
the supply voltage results in the other output (OS2 or OS1) being switched off�
9.2 Interface classification
The interface complies with interface type C class 2 according to the ZVEI position
paper CB24I Ed� 2�0�
9.2.1 Identification key
Interface type Suitable interface type
Source: C2 Receiver: C1 C2

12
9.3 LED display
9.3.1 5-wire design
LED Status Description
PWR
OUT
IN
ACT
Off Device switched off�
Switch-on
operation Internal tests when switched on�
Operation
• Actuator outside the area of safe activation
• Output O3 switched off�
Operation
• Safety outputs activated
• Actuator in the safe area
• Output O3 activated
Operation
• Actuator in the limit area
• Output O3 activated
►Bring the actuator into the safe area�
Error
Error at the outputs�
►Check if there are any short circuits�
►Restart the device�
Error ►Restart the device�
►Replace the device if the error occurs again�
LED green LED red LED orange
LED flashes LED green, red or orange LED off

13
UK
9.3.2 8-wire design
LED Status Description
PWR
OUT
IN
ACT
Off Device switched off�
Switch-on
operation Internal tests when switched on�
Operation • Inputs inactive
• Safety outputs switched off
Operation
• Inputs inactive
• Actuator outside the area of safe activation
• Safety relays and output O3 switched off
Operation Inputs active
Operation
Errors at the inputs�
►Verify the activation of the input signals and the
circuits of the inputs�
Operation • Actuator in the safe area
• Output O3 activated
Operation
• Actuator in the limit area
• Output O3 activated
►Bring the actuator into the safe area�
Operation
• Inputs active
• Actuator in the safe area
• Safety outputs activated
Error
Error at the outputs�
►Check if there are any short circuits�
►Restart the device�
Error ►Restart the device�
►Replace the device if the error occurs again�
LED green LED red LED orange
LED flashes LED green, red or orange LED off

14
10 Technical data
Electrical data
Electrical design DC PNP
Operating voltage
20�4���26�4 V DC
Rated insulation voltage 32 V DC
Current consumption < 50 mA
Protection class III
Reverse polarity protection yes
Utilisation category DC12
Operating current
40���700 mA
No-load current 30 mA
Outputs
Voltage drop 1�5 V
Leakage current 0�5 mA
Current rating 50 mA
Short-circuit protection Yes
Overload protection Yes
Switching frequency 1 Hz
Max� capacitive load CL_max 200 nF
Detection zone
Sensing range sn (with coded actuator) 12 mm
Safe switch-off distance sar 16 mm
Accuracy / deviations
Hysteresis ≤ 20 % Sn
Repeatability ≤ 10 % Sn
Response times
Power-on delay time 1�5s
Response time to safety request
(response time of the semiconductor outputs after the actuator
is moved away > sar)
< 160 ms
Response time when approaching the actuation area
(enable time)
< 600 ms
Risk time (response time for safety-related faults) < 10 ms

15
UK
Environmental conditions
Application (according to EN 60654-1) class C
Ambient temperature
for service life ≤ 87600 h
for service life ≤ 175200 h
-25���70 °C
10���40 °C
Max� perm� relative humidity
short time
permanent
5...95 %
5...70 %
Air pressure 80���106 kPa
Height above sea level < 2000 m
Ionising radiation not permissible
Salt spray no
Protection rating (protected cable laying) IP 67 / IP 69K
Degree of soiling 3
Approvals / tests
EMC IEC 60947-5-2
Shock resistance (EN 60068-2-27) 30 g (11 ms)
Vibration resistance (IEC 60068-2-6) 10 g (10���55 Hz)
Safety classification
EN ISO 13849-1: 2015 category: 4
PL: e
IEC 61508 SIL 3
IEC 62061 SILcl 3
Mission time TM≤ 175200 h (20 years)
Safety-related reliability PFHD1�5E-09
Mechanical data
Installation non flush mountable
Housing materials PA
Tightening torque 0�8���2 Nm

16
10.1 Drawing
MN700S, MN701S, MN702S MN703S, MN704S, MN705S
60
25 18
7215,5
3
5,6 8,5
4,3
27
27
25 18
45
3
4,2
3
M12x1
60
25 18
7210,6
3
5,6
9,5
4,3
27
27
25 18
45
3
4,2
3
11 Troubleshooting
LED display → 9.3
Problem Possible cause Troubleshooting
No LED display No voltage supply Apply voltage
LED [OUT] flashes red Shorts circuit to earth, output or
power supply
Reboot the device
LED [PWR] flashes red Internal fault Reboot the device
Unit does not switch /
Only one output switches
An error occurred, e�g� cross
fault / short circuit
• Remove the cross fault
• Check cables
• Check controller
• Restart system
• if necessary, replace
device

17
UK
12 Maintenance, repair and disposal
The function of the devices must be tested automatically or manually at least once
a year� The function can be tested by removing the actuator (> sar) (→ 5 Function)�
Only the manufacturer is allowed to repair the unit�
Dispose of the unit in an environmentally friendly way in accordance with the
applicable national regulations when it is no longer used�
13 Terms and abbreviations
OSSD Output Signal Switching Device Output signal switch element
PDDB Proximity devices with defined
behaviour under fault conditions
Näherungsschalter mit einem definierten
Verhalten unter Fehlerbedingungen
PFH
(PFHD)
Probability of (dangerous) Failure
per Hour
Probability of (dangerous) Failure per Hour
PL Performance level PL to EN ISO 13849-1
Sar Safe switch-off distance Distance to the sensing face outside which
the absence of the magnet deactivates (safe
state) a subsequent evaluation unit�
SIL Safety Integrity Level Safety integrity level SIL 1-4 according to
IEC 61508� The higher the SIL, the lower the
probability that a safety function will fail�
SILcl Safety Integrity Levelclaim limit Safety integrity levelclaim limit
(according to IEC 62061)
TMMission time Mission time according to EN 60947-5-3
(= max� service life)

18
14 Approvals/standards
14.1 FCC Notices (USA, Canada)
This device complies with Part 15 of the FCC Rules� Operation presupposes the
two following conditions:
1� This device must not cause harmful interference, and
2� this device must tolerate interference including interference possibly causing
undesired operation�
Warning:
Any changes made to this device without express consent of ifm electronic gmbh
may invalidate FCC approval to operate this device�
Note:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules�
These limits are designed to provide reasonable protection against harmful inter-
ference in a residential installation�
This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful
interference to radio communications�However, there is no guarantee that interfer-
ence will not occur in a particular installation�
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encour-
aged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna�
• Increase the separation between the equipment and receiver�
• Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected�
• Consult the dealer or an experienced radio/TV technician for help�
More information at www�ifm�com
This manual suits for next models
6
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