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80227414 / 00

08 / 2020

Original Installation Instructions

Safety Underspeed Monitor

DU110S

UK

UK

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Содержание DU110S

Страница 1: ...80227414 00 08 2020 Original Installation Instructions Safety Underspeed Monitor DU110S UK UK ...

Страница 2: ...3 9 Feedback circuit for external device monitoring Y1 Y2 10 4 Installation 11 4 1 Mechanical installation of the device 11 4 2 Remove the device 11 5 Electrical connection 12 5 1 Terminals 12 5 2 Automatic manual mode selection 14 5 2 1 Automatic operation 14 5 2 2 Manual operation 16 5 3 Enable inputs 18 6 Indicators and operating elements 19 6 1 LEDs 19 6 2 Switches 20 7 Set up 21 7 1 Configura...

Страница 3: ...3 UK 8 Technical data 26 9 Maintenance repair and disposal 28 10 Approvals standards 28 11 Terms and abbreviations 29 This document is the original instructions ...

Страница 4: ...instructions before use to familiarise yourself with operating conditions installation and operation Adhere to the safety instructions Instructions technical data approvals accessories and further information at www ifm com 1 1 Symbols used Instruction Reaction result Designation of keys buttons or indications Cross reference Important note Non compliance may result in malfunction or interference ...

Страница 5: ...rvance of notes or standards especially when tampering with and or modifying the unit any liability and warranty is excluded 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 obse...

Страница 6: ...1 Performance Level e and EN 62061 SIL 3 To maintain Safety Integrity Level SIL 3 requirements the two input sensors should not be of the exact same type and independent of each other Common cause failures between input sensors must be excluded by observing an appropriate cable installation i e separate cable paths Input sensors must be mounted separately from each other To maintain the category 4...

Страница 7: ...uously comparing the input frequency actual value and the switch point target value the device promptly detects underspeed of the set switch point The NO contacts of the internal relays are connected in series so that the current paths are not closed before both relays have switched By means of the current paths a door guard locking system can for example be controlled Block diagram 3 2 Safe state...

Страница 8: ...is 3 4 Hysteresis The hysteresis determines the distance between the switch point current paths close and the switch off point current paths open The hysteresis value is fixed at 5 If the input frequency decreases by 5 below the set switch point Fu the output relays de energise and the current paths are open Example switch point Fu 10 Hz Current paths close if Fu is exceeded rising frequency Curre...

Страница 9: ...compatible with your application and what additional measures have to be taken i e guard lock protective fence etc Startup delay time Safety output Fu Fuh f in t t ON ON ON 10 s 10 s Current paths safety related outputs in dependence of the start up delay When the operating voltage has been switched on the current paths are switched off for max 10 seconds because of the underspeed If after this pe...

Страница 10: ...nt paths are opened 3 9 Feedback circuit for external device monitoring Y1 Y2 If underspeed is detected the current paths open and the external relays are de energised If the feedback circuit does not close within 1 s an error message is provided LED FAULT flashes 3 times Also see 6 1 LEDs If the feedback function is not required the terminals Y1 Y2 must be permanently bridged Feedback contacts NC...

Страница 11: ...between the device and the top and bottom of the housing to enable air circulation and to avoid excessive heating Take into account the internal heating of all devices when mounting several devices side by side The environmental conditions must be observed for every device and in order to avoid overheating maintain between them a minimum distance of 20 mm 4 2 Remove the device ...

Страница 12: ...nection 5 1 Terminals Terminals Plug Terminal Connection A1 L Supply voltage 24 V DC protected by a resettable fuse short circuit proof not monitored S33 Sensor 1 supply 24 V DC S35 Sensor 1 GND 0 V DC S34 Sensor 1 input ...

Страница 13: ...tion C2 Y7 Fault transistor output 3 7 Y8 Underspeed transistor output 3 8 Y1 Feedback circuit output Y2 Feedback circuit input C3 23 Current path 2A relay contacts not connected not connected 24 Current path 2B relay contacts The relay contacts of the device must be supplied from the same voltage source Observe the technical data of the electrical connections 8 Technical data PELV power supplies ...

Страница 14: ...omatic operation In this operating mode the device compares the input frequency with the set switch point If the input frequency is above the switch point Fu the current paths are closed If the input frequency is below the switch point Fu minus hysteresis the current paths are open Power supply Safety output Fu Fuh f in t ON ON 10 s 10 s Automatic operation 1 Voltage supply of the unit 2 Current p...

Страница 15: ...e of the output relays failsafe state Detected errors are short circuit on 0 V DC or 24 V DC or separated connections VORSICHT Personal injury may result Carefully check if the automatic operating mode can be used when the current paths safety related outputs directly drive a motor In some applications an uncontrolled restart may be dangerous In these cases the device must be used only as a speed ...

Страница 16: ...tion 1 Voltage supply of the unit 2 Restart signal 3 Current paths safety related outputs In manual operation the current path remains open until there is a restart signal on input Y5 The restart signal is activated via a falling edge on input Y5 a complete transition 0 V DC 24 V DC 0 V DC This signal is only active if the frequency exceeds the Fuh value The restart signal must be applied for 0 3 ...

Страница 17: ...in the hazardous area since handling is not required during operation When the device is waiting for the restart command the yellow LED ENA flashes Manual operation circuitry of the inputs Y5 and Y6 Manual operation is implemented when during initialisation input Y6 is on the pulsed test signal of Y1 and input Y5 is open The start up delay of 10 seconds is active after each restart command 3 6 Sta...

Страница 18: ...evice is activated or deactivated by means of a complementary signal to both enable inputs Enable inputs E1 and E2 1 The monitoring function of the device is active not active 2 Enable signals not simultaneous To deactivate the monitoring function of a device 2 conditions must be met The enable signals E1 and E2 have to be activated almost simultaneously Max time interval of the enable signals 0 5...

Страница 19: ...6 1 LEDs LED Colour Description ON Green Power ON when device is switched on CONF Blue Configuration ON when device in configuration mode Flashing when switches are in P position ENA Yellow Enable ON when the enable inputs are logically on Flashing in configuration mode when the position of a switch is changed one flash for each step Flashing when the device is waiting for a restart command 5 2 2 ...

Страница 20: ...ly with ENA CONF IN1 2 and K1 2 when a sensor is not connected IN1 IN2 K1 K2 FAULT ENA ON CONF IN1 IN2 K1 K2 FAULT ENA ON CONF IN1 IN2 K1 K2 FAULT ENA ON CONF IN1 IN2 K1 K2 FAULT ENA ON CONF IN1 2 Yellow Input IN1 2 ON when a HIGH signal was detected on the input IN1 or IN2 K1 2 Green Relay K1 2 ON when the safety output relay K1 or K2 is switched on 6 2 Switches Switches Description S1 SP x 10 Sw...

Страница 21: ...The numerical values are multiplied with these factors and thus provide the actual switch point value The multipliers have the unit rpm or Hz 7 1 Configuration position factory setting Before the device is switched on for switch point setting the 3 switches must be in position P factory setting The switch point setting is only possible when the device is switched on S2 rpm 1 50 100 10 P P Hz 5 9 6...

Страница 22: ...waits for S2 to be set LED CONF is still flashing Step 3 Set switch S2 from the position P 0 to the required value During the rotation the LED ENA flashes with every step Device remains in the configuration mode and waits for S3 to be set LED CONF is still flashing Step 4 Set switch S3 from the position P to the required value During the rotation the LED ENA flashes with every step LED CONF remain...

Страница 23: ... 4000 rpm 7 4 Checklist after installation and set up Directly after power on the device carries out an initialisation comprising a complete self test To ensure reliable operation of the device the following checks have to be performed on start up and then at least once a year 1 Verify that all cables are correctly connected and the terminal blocks well screwed 2 Verify that all LEDs indicators li...

Страница 24: ...sensors can be positioned anywhere within the damping zone Example 1 direction of movement The input signals may look like this IN1 t IN2 t same frequency time lag In other cases the position of the sensors damping elements is essential for correct functioning If the direction of movement changes one of the sensors may not be damped correctly leading to an error Example changing direction of movem...

Страница 25: ...n error The error will be signalled by the LEDs FAULT IN1 and IN2 flashing four times IN1 t IN2 t Y7 t no signal at IN1 error message at Y7 The problem can be solved by positioning the sensors damping elements differently so that the pulses are detected correctly by both sensors Example changing direction of movement correct sensor position ...

Страница 26: ...ion Application Monitoring rotational or linear movements for minimum switch point not reached underspeed Electrical data Electrical design Relay Operating voltage 19 2 28 8 DC incl 5 residual ripple Nominal voltage 24 DC Current consumption 125 Protection class II Power on delay time 3000 Sensor supply 24 V DC 70 mA Inputs Input characteristics Pulse inputs S34 S43 1 6 mA 24 V DC Adjustable speed...

Страница 27: ...el 2000 Protection IP 20 Safety classification Mechanical data Housing materials PA polyamide Installation rail TH35 to EN 60715 Displays operating elements Display Voltage green Release yellow Configuration blue Fault Red Switching status 2x green Input pulses 2x yellow Electrical connection Connection screw terminals 0 5 2 5 mm AWG 30 12 Remarks Remarks Safety classification considering 1000 100...

Страница 28: ...he national environmental regulations 10 Approvals standards The device was tested and certified by TÜV Süd The device was developed and tested in accordance with the following directives and standards 2006 42 EC Machinery Directive 2004 108 EC EMC Directive 73 23 EEC or 93 68 Low voltage directive EN ISO 13849 1 2008 Safety of machines safety related parts of control systems IEC 61508 2011 Functi...

Страница 29: ... Failure DC Diagnostic Coverage MTTF Mean Time to Failure MTTFd Mean Time To Dangerous Failure PFH Probability of Failure per Hour PFHD Probability of Dangerous Failure per Hour PL Performance Level PL to EN ISO 13849 1 SIL Safety Integrity Level SIL 1 4 to IEC 61508 HFT Hardware Failure Tolerance HFT 0 2 to IEC 61508 PLC Programmable Logic Controller ...

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