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PNOZ e4.1p

Operating Manual PNOZ e4.1p
21362-EN-05

13

Example: Connecting several safety mats

Black

Red

Red

Black

Red

Red

Black

PNOZ e4.1p

Black

Start circuit

The start circuit determines the safety system's reset properties.

Start circuit

Automatic reset (start)

Manual reset (start)

Safety mat
without start-up
test

Safety mat with
start-up test

NOTICE

With automatic reset (start)

The unit starts automatically when the safeguard is reset, e.g. after the
safety mat is cleared. Use external circuit measures to prevent an unexpec-
ted restart.

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Summary of Contents for 774 180

Page 1: ...PNOZ e4 1p Operating Manual 21362 EN 05 Safety relays ...

Page 2: ...cumentation will be gratefully received Source code from third party manufacturers or open source software has been used for some components The relevant licence information is available on the Internet on the Pilz homepage Pilz PIT PMI PNOZ Primo PSEN PSS PVIS SafetyBUS p SafetyEYE SafetyNET p the spirit of safety are registered and protected trademarks of Pilz GmbH Co KG in some countries SD mea...

Page 3: ...sal 7 For your safety 8 Unit features 8 Safety features 8 Block diagram terminal configuration 9 Function description 9 Operating modes 10 Installation 10 Wiring 11 Preparing for operation 12 Supply voltage 12 Input circuit 12 Start circuit 13 Feedback loop 14 Logic connection between several units 14 Logic inputs S35 and S36 15 Examples 15 Operation 20 Status indicators 20 Faults malfunctions 21 ...

Page 4: ...Contents Operating Manual PNOZ e4 1p 21362 EN 05 4 Remove plug in terminals 31 Order reference 31 Product 31 Accessories 31 ...

Page 5: ...ularly important is identified as follows DANGER This warning must be heeded It warns of a hazardous situation that poses an immediate threat of serious injury and death and indicates preventive measures that can be taken WARNING This warning must be heeded It warns of a hazardous situation that could lead to serious injury and death and indicates preventive measures that can be taken CAUTION This...

Page 6: ...e refer to the manufacturer s documentation When using safety mats please note the following The safety mats trigger only when they are stood on by persons weighing more than 35 kg The following are not permitted Walking aids such as canes and wheeled vehicles The following is deemed improper use in particular Any component technical or electrical modification to the product Use of the product out...

Page 7: ...es systems and machines the person has to be informed of the state of the art and the applicable national European and international laws directives and standards It is the company s responsibility only to employ personnel who Are familiar with the basic regulations concerning health and safety accident preven tion Have read and understood the information provided in this description under Safety ...

Page 8: ...s using semiconductor technology 2 safety outputs 1 auxiliary output 2 test pulse outputs Connection options Safety mats from Mayser type SM BK Safety mats from Bircher type ESM5x It is possible to control a PSS LED display for Supply voltage Switch state of safety outputs 2 logic inputs AND OR for logic connections between several units Feedback loop for monitoring external contactors Detection o...

Page 9: ...and CH 2 go out Feedback loop Before a safety output is switched on a test is run to establish whether the contacts ahead of feedback loop input Y6 are closed If a contact is open an error is detected and LEDs CH 1 and CH 2 will flash alternately It will not be possible to switch the unit back on until the feedback loop is closed and the safety function has been reset The feedback loop contacts ar...

Page 10: ...after the supply voltage was applied Increase in the number of available contacts by connecting contact expander modules or external contactors relays Installation CAUTION Electrostatic discharge can damage components on the safety system Ensure against discharge before touching the safety system e g by touch ing an earthed conductive surface or by wearing an earthed armband The unit should be ins...

Page 11: ...and 24 see Technical details 26 To suppress the pulse on switching off at safety outputs 14 and 24 use the terminal block with filter see Order reference 31 Do not connect undesignated terminals Only contactors with positive guided contacts should be used for safety functions Output Y32 is an auxiliary output e g for communication with a PLC or text display Auxiliary output Y32 should not be used ...

Page 12: ...it CAUTION No additional loads may be connected to outputs that control a PSS If contactors alone are being controlled we recommend the wiring for controlling the PSS Input circuit OR logic input active and AND logic input active OR logic input active or no logic connection Control of a PSS safety outputs cannot be used for logic functions S21 S22 S11 S12 red black black red Y4 A1 S21 S22 S11 S12 ...

Page 13: ...t circuit determines the safety system s reset properties Start circuit Automatic reset start Manual reset start Safety mat without start up test Safety mat with start up test NOTICE With automatic reset start The unit starts automatically when the safeguard is reset e g after the safety mat is cleared Use external circuit measures to prevent an unexpec ted restart ...

Page 14: ... logic inputs on PNOZelog units or a safety output from PNOZelog units may be connected to cascading inputs on PNOZmulti units The unit with the lowest SIL PL value determines the SIL PL value of the entire circuit PNOZ e1p PNOZ e8 1p These units do not have logic inputs Their safety outputs can be used to logically link the units to the logic inputs of other PNOZelog units or to the cascading inp...

Page 15: ... OR S35 14 24 PNOZ e4 1p PNOZelog Input 1 PSS 14 Y4 S11 Input 2 24 Control of a PNOZelog unit Y4 S36 S35 14 24 14 24 PNOZ e4 1p PNOZelog PNOZelog AND OR S36 PNOZelog Y4 S36 14 24 PNOZ e4 1p PNOZelog AND S36 PNOZelog 14 24 OR S35 14 24 PNOZ e4 1p PNOZelog S36 PNOZelog 14 24 Y4 S21 Examples WARNING Muting the safety function A valid signal at the OR input of a PNOZelog unit mutes its safety function...

Page 16: ... e4 1p Operating Manual PNOZ e4 1p 21362 EN 05 16 Example 1 Loads are connected to the safety outputs of Unit 1 In addition a safety output is AND linked to 4 other PNOZelog units via the logic input S36 14 ...

Page 17: ...OZ e4 1p Operating Manual PNOZ e4 1p 21362 EN 05 17 Example 2 Loads are connected to the safety outputs of Unit 1 In addition a safety output is AND linked to another PNOZelog unit via the logic input S36 ...

Page 18: ...onnection line between Unit 1 and Unit 2 contains contacts from the external contactors on Unit 4 This means that Unit 4 and Unit 1 can set the outputs on Unit 2 and Unit 3 to low A short circuit between 24 VDC and a safety output must be excluded K5 K6 K3 K4 K7 K8 K7 K1 K2 K8 ...

Page 19: ...e OR linked via Unit 3 If the output from Unit 2 has a low signal Unit 1 alone will control the status of the outputs on Unit 3 If Unit 2 sends a high signal to the OR input on Unit 3 a high signal will be present at the outputs on Unit 3 irrespective of the status of its input circuit ...

Page 20: ...red with a multi meter the voltage at the safety outputs is displayed to be less than it actu ally is The unit detects the set operating mode once supply voltage is applied During this time initialisation phase the POWER LED will flash The unit is ready for operation when the POWER LED is lit continuously The operating mode is only detected if the safety mat has not been activated LEDs indicate th...

Page 21: ... After a longer pause the LED will then flash at one second intervals The number of LED flashes corresponds to a digit in the error code The error code can consist of up to 4 digits The digits are separated by a longer period without flash ing The entire sequence is constantly repeated INFORMATION Error code 0 16 flashes INFORMATION Supply interruptions lasting longer than 20 ms are detected as an...

Page 22: ...ion phase start not executed Depending on operating mode Press start button or perform start up test CH 1 or CH 2 flash a code Error coding see table Er ror code 24 See table Error code 24 CH 1 and CH 2 flash altern ately Feedback loop open on start up Close feedback loop restart unit Examples Error code 1 3 LED CH 1 or CH 2 flashes 3 times short Pause Once for one second Pause 3 times for one sec...

Page 23: ...I II I Code for error message II Code for 1st digit III Code for 2nd digit IV Code for error message repeated The table below shows the relationship between the number of flashes and the error code The key to the error codes is described in the Error coding table Number of flashes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Decimal er ror code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 ...

Page 24: ...ts and 24 VDC Rectify wiring error at terminals 14 24 10 1 0 1 1 1 9 10 1 14 5 3x short 10x long 3x short 3x short 1x long 16x long 3x short 3x short 1x long 1x long 3x short 3x short 1x long 9x long 3x short 3x short 10x long 1x long 3x short 3x short 14x long 5x long 3x short During operation short circuit between the safety outputs and 24 VDC Rectify wiring error at terminals 14 24 1 2 1 3 1 12...

Page 25: ...pen circuit Check safety mat wiring 5 10 3x short 5x long 10x long 3x short UB 19 2 VDC Keep within the supply voltage range of 19 2 30 VDC 8 1 3x short 8x long 1x long 3x short Invalid operating mode Check wiring for the operating mode and rectify fault 8 2 8 3 14 13 3x short 8x long 2x long 3x short 3x short 8x long 3x long 3x short 3x short 14x long 13x long 3x short Supply interrupted possibly...

Page 26: ... V 24 V Kind DC DC Voltage tolerance 20 25 20 25 Output of external power supply DC at no load 2 W 2 W Residual ripple DC 20 20 Duty cycle 100 100 External unit fuse protection F1 max 6 A slow 10 A quick 6 A slow 10 A quick Inputs 774180 784180 Voltage at Input circuit DC 24 V 24 V Start circuit DC 24 V 24 V Feedback loop DC 24 V 24 V Logic input 24 V 24 V Current at Input circuit DC 5 mA 5 mA Sta...

Page 27: ...A Power at UB 26 5 V 50 W 50 W Power at UB 26 5 V 45 W 45 W Switching capability 1 safety out put under load Current at UB 26 5 V 2 7 A 2 7 A Current at UB 26 5 V 2 2 A 2 2 A Power at UB 26 5 V 70 W 70 W Power at UB 26 5 V 65 W 65 W Max line capacitance at the out puts without load 2 nF 2 nF Voltage auxiliary and test pulse outputs 24 V 24 V Current auxiliary and test pulse outputs 0 5 A 0 5 A Tim...

Page 28: ...6 3 1 EN 60947 5 1 EN 61000 6 2 EN 61000 6 4 EN 61326 3 1 Vibration In accordance with the standard EN 60068 2 6 EN 60068 2 6 Frequency 10 55 Hz 10 55 Hz Amplitude 0 35 mm 0 35 mm Airgap creepage In accordance with the standard EN 60947 1 EN 60947 1 Overvoltage category III III Pollution degree 2 2 Rated insulation voltage 30 V 30 V Rated impulse withstand voltage 0 8 kV 0 8 kV Protection type Hou...

Page 29: ...nnection 2 Stripping length with spring loaded terminals 8 mm Dimensions Height 94 mm 101 mm Width 22 5 mm 22 5 mm Depth 121 mm 121 mm Weight 125 g 125 g Where standards are undated the 2017 01 latest editions shall apply Safety characteristic data NOTICE You must comply with the safety related characteristic data in order to achieve the required safety level for your plant machine Operating Mode ...

Page 30: ...62 EN 05 30 INFORMATION A safety function s SIL PL values are not identical to the SIL PL values of the units that are used and may be different We recommend that you use the PAScal software tool to calculate the safety function s SIL PL values ...

Page 31: ...rminals by pulling the cables Order reference Product Product type Features Connection type Order no PNOZ e4 1p 24 VDC Screw terminals 774 180 PNOZ e4 1p C 24 VDC Spring loaded terminal 784 180 Accessories Product type Features Order no Terminal block filter 1 Terminal block with filter for 3 10 kOhm load range 774 195 Terminal block filter 2 Terminal block with filter for 10 30 kOhm load range 77...

Page 32: ...tyNET p THE SPIRIT OF SAFETY are registered and protected trademarks of Pilz GmbH Co KG in some countries We would point out that product features may vary from the details stated in this document depending on the status at the time of publication and the scope of the equipment We accept no responsibility for the validity accuracy and entirety of the text and graphics presented in this information...

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