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11 Terms and abbreviations

Cat�

Classification of the safety-related parts of a

controller as regards their resistance to failures�

CCF

Common Cause Failure

Diagnostic Coverage

MTTF

Mean Time to Failure

MTTF

Mean Time To Dangerous Failure

PFH

Probability of Failure per Hour

PFH

Probability of Dangerous Failure per Hour

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

Содержание DD111S

Страница 1: ...80005256 00 11 2019 Original Installation Instructions Safety speed monitor DD110S DD111S UK...

Страница 2: ...dback circuit for external device monitoring Y1 Y2 9 4 Installation 10 4 1 Mechanical installation of the device 10 4 2 Remove the device 10 5 Electrical connection 11 5 1 Terminals 11 5 2 Automatic m...

Страница 3: ...3 UK 9 Maintenance repair and disposal 26 10 Approvals standards 26 11 Terms and abbreviations 27 This document is the original instructions...

Страница 4: ...nstructions before use to familiarise yourself with operating conditions installation and operation Adhere to the safety instructions Instructions technical data approvals accessories and further info...

Страница 5: ...vance 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 e...

Страница 6: ...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 fail...

Страница 7: ...tes the resulting frequency By continuously comparing the input frequency actual value and the switch point target value the device promptly detects overspeed of the set switch point The NO contacts o...

Страница 8: ...d in series and connected to the terminals If both relays are energised the current paths are closed so that for example a power contactor can be controlled If the switch point is exceeded the current...

Страница 9: ...g the voltage supply 3 7 Overspeed output Y8 The overspeed output Y8 is HIGH when the current paths are closed and LOW when the current paths are opened 3 8 Feedback circuit for external device monito...

Страница 10: ...tween 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...

Страница 11: ...nnection 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...

Страница 12: ...ic mode selection Y6 Manual mode selection C2 Y7 Transistor output Fault 3 6 Y8 Transistor output Overspeed 3 7 Y1 Feedback circuit output Y2 Feedback circuit input C3 23 Current path 2A relay contact...

Страница 13: ...perating mode is made via two input terminals Y5 and Y6 5 2 1 Automatic mode Automatic mode In this operating mode the device compares the input frequency with the set target value If the input freque...

Страница 14: ...itialisation input Y6 is on the pulsed test signal of Y1 and input Y5 is open In this case the current path remains open until there is a restart signal on input Y5 The restart signal on input Y5 resp...

Страница 15: ...art command is activated rising edge or falling edge or both when the frequency is between Fo and Foh the command is also rejected When the device is waiting for the restart command the yellow LED ENA...

Страница 16: ...e enable input after power on of the device The monitoring function is activated or deactivated by means of a complementary signal to both enable inputs Time dependent behaviour of the enable inputs 1...

Страница 17: ...es 270 potentiometer 10 positions locking 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 switch...

Страница 18: ...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...

Страница 19: ...these factors and thus provide the actual switch point value The multipliers have the unit rpm or Hz DD111S The decimal values can be set with switch S3 7 1 Configuration position factory setting The...

Страница 20: ...he required value During the rotation the LED ENA flashes with every step The flashing of the LED is a visual feedback of each step executed Device remains in the configuration mode and waits for S3 t...

Страница 21: ...oint Number of cams Setting value 1000 rpm 4 4 x 1000 rpm 4000 rpm 7 4 Checklist after installation and set up Directly after power on the device carries out an initialisation comprising a complete se...

Страница 22: ...pm Complies with the requirements EN ISO 13849 1 category 4 PL e IEC 61508 SIL 3 Application Application Monitoring of rotational or linear movements for adherence to a maximum setpoint overspeed Elec...

Страница 23: ...0 Hz t 8 5 400 x fsel fin fsel 30 Hz t 8 5 4500 fin Environment Ambient temperature 40 55 observe the free space for convection see operating instructions Storage temperature C 40 70 Max relative air...

Страница 24: ...Hz Complies with the requirements EN ISO 13849 1 category 4 PL e IEC 61508 SIL 3 Application Application Monitoring of rotational or linear movements for adherence to a maximum setpoint overspeed Elec...

Страница 25: ...ms fsel 30 Hz t 8 5 400 x fsel fin fsel 30 Hz t 8 5 4500 fin Environment Ambient temperature 40 55 observe the free space for convection see operating instructions Storage temperature C 40 70 Max rel...

Страница 26: ...e device must only be repaired by the manufacturer Dispose of the device in accordance with the national environmental regulations 10 Approvals standards The device was tested and certified by T V S d...

Страница 27: ...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...

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