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Connecting the PSSu system

Installation Manual PSSuniversal
21262-EN-07

43

Example 1: Module supply and periphery supply from separate power supplies, earthed
supply group.

If the bridge is removed,
earth fault monitoring
must be used in
accordance with
EN 60204 / VDE 0113.

Fieldbus

Periphery
-Sensors
-Actuators

Control cabinet

PSSuniversal

Mounting rail

Functional earth

Earth bar

Module Supply

Periphery Supply

C-Rail

C-Rail

Module Supply

Module Supply

Periphery Supply

Periphery Supply

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Summary of Contents for PSSuniversal

Page 1: ...PSSuniversal Installation Manual 21262 EN 07 Programmable control systems PSS...

Page 2: ...umentation 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 Interne...

Page 3: ...Lighting in the control cabinet 14 3 3 Testing the EMC compliance of an installation 14 Section 4 Installing the PSSu system 16 4 1 Modular structure 16 4 2 Module layout 17 4 3 Connection levels 18...

Page 4: ...1 Install an end bracket on the left 36 5 5 2 Install a connection plate on the right 37 5 5 3 Remove the end bracket on the left 38 5 5 4 Remove the connection plate on the right 39 Section 6 Connect...

Page 5: ...ays en closed with the unit 1 2 Definition of symbols Information that is particularly important is identified as follows DANGER This warning must be heeded It warns of a hazardous situation that pose...

Page 6: ...Introduction Installation Manual PSSuniversal 21262 EN 07 6 INFORMATION This gives advice on applications and provides information on special fea tures...

Page 7: ...ed maintained and decommissioned by competent persons A competent person is a qualified and knowledgeable person who because of their train ing experience and current professional activity has the spe...

Page 8: ...V mains at a single point or ensure that measures are in place to monitor for earth faults The connection of the 0 V supply to the central earth bar or earth fault monitor must be in accordance with n...

Page 9: ...ning may be re quired in order to keep within the prescribed value range Sufficient protection must be provided to prevent the built in controller from being touched unintentionally Further informatio...

Page 10: ...ce have common cable connec tions The common cable presents complex resistances inducing potential differences Typical sources of interference are switches relays running motors or varying po tentials...

Page 11: ...s and earth the 0 V mains at a single point or ensure that measures are in place to monitor for earth faults Earthed supply voltages offer the best noise immunity The connection of the 0 V supply to t...

Page 12: ...p or manufacturer 3 2 4 Equipotential bonding Potential differences may occur if the PSSu system and its periphery devices are connec ted to different earth connections Equalising currents can flow th...

Page 13: ...e end Analogue inputs and outputs plus the inputs and outputs on the counter modules should al ways be connected using shielded cables On base modules with C rail Connect the shield to the terminals o...

Page 14: ...ers are running or areas such as process control rooms suffi ciently shielded from electro magnetic coupling If necessary shield the whole area Does the cable layout take into account the principles o...

Page 15: ...le shields to shield bar at point of entry to cabinet con nect cable shields over a wide surface area and with low impedance Equipotential bonding car ried out If the installation extends over a wide...

Page 16: ...ons with standard fieldbus sys tems e g PROFIBUS DP Connects the sensor actuator level for failsafe applications e g with SafetyBUS p or SafetyNET p Co ordinates the entire process data traffic May ha...

Page 17: ...bracket integrated in terminating plate Terminating plate 4 2 Module layout The first module on a PSSuniversal system is always a head module If the head module does not have an integrated power suppl...

Page 18: ...tart of each group The modules belonging to the supply group will then follow to the right The final element in a PSSu system is always a terminating plate containing the termin ating resistors for th...

Page 19: ...1 22 12 23 13 24 14 PSSu E S 4AI U 21 11 22 12 23 13 24 14 PSSu E S 2DO 2 21 11 22 12 23 13 24 14 PSSu E S 4AO U 21 11 22 12 23 13 24 14 PSSu E F 4DI 21 11 22 12 23 13 24 14 PSSu E S 4DI 21 11 22 12 2...

Page 20: ...ry supply connection from the first connection level Input output modules can be installed in any order However for the connection diagram to be consistent it makes sense to arrange input output modul...

Page 21: ...roxim ately every 200 mm We strongly recommend that you comply with the mounting distances stated in the chapter entitled Mounting distances 22 This will enable modules to be ex changed and guarantee...

Page 22: ...nting distances are minimum specifications The ambient temperature of the PSSu system in the control cabinet must not exceed the figure stated in the technical details for the modules Air conditioning...

Page 23: ...module for the first time one part of the coding element remains on the electronic module while its counterpart is fixed on to the base module This is how the base module is coded The coding element i...

Page 24: ...ements are listed in the table below Please note Details of the mechanical coding of the electronic modules type and colour can be found in the technical details in the data sheet and operating manual...

Page 25: ...t be removed from the electronic module Use flat pliers to remove the counterpart of the coding element 4 5 2 Removing the mechanical coding from a base module If an electronic module has to be insert...

Page 26: ...Installing the PSSu system Installation Manual PSSuniversal 21262 EN 07 26...

Page 27: ...module Install the base modules Install the compact modules Install an end bracket on the left Install an end bracket on the right with a terminating resistor for the module bus Wire up the base modu...

Page 28: ...ections on the head module Remove the compact module connectors Pull the electronic modules from the base modules Remove the base module wiring Remove the end bracket on the right with the terminating...

Page 29: ...head module back 2 until you hear it lock into position Schematic representation 2 1 5 1 2 Removing the head module Prerequisite The supply voltage must be switched off The plugs for the bus connectio...

Page 30: ...led to the right of the head module Please note For mechanical reasons it is not possible to mix base modules with screw terminals and base modules with cage clamp terminals All contacts should be pro...

Page 31: ...odule to its left All the base modules and compact modules to the right of the relevant base module must have been moved to the right min 30 mm or have been removed from the rail Procedure Insert the...

Page 32: ...Installing the modules Installation Manual PSSuniversal 21262 EN 07 32 1 2 3 4 5 3...

Page 33: ...ggered if modules are inserted and removed under load When an electronic module is plugged into a base module for the first time one part of the coding element remains on the electronic module while i...

Page 34: ...must be installed If the head module does not have an integrated power supply a supply voltage module must be installed to the right of the head module A base module with screw terminals may not be in...

Page 35: ...e compact modules on the mounting rail On the mounting rail carefully slide the compact module to the left in parallel to the adjoining module until you hear the lateral mounting hooks on the adjacent...

Page 36: ...e forwards 3 and remove in a downward direction 4 3 4 1 2 5 5 End bracket 5 5 1 Install an end bracket on the left Procedure Use a screwdriver for slotted head screws M2 Loosen the fixing screw on the...

Page 37: ...the mounting rail Place the end bracket on the mounting rail to the right of the terminating plate 2 Slide the end bracket and terminating plate into each other 3 Slide the terminating plate with int...

Page 38: ...rail Slide the metallic end bracket up close to the terminating plate with the integrated end bracket Tighten up the metallic end bracket 5 3 6 1 2 4 5 5 3 Remove the end bracket on the left Procedure...

Page 39: ...o the terminating plate 1 Loosen the fixing screw on the end bracket 2 Move the terminating plate and integrated end bracket to the right 3 Please note Do not damage the elements used to connect to th...

Page 40: ...s will not start until the periphery supply is connected correctly On analogue input output modules the periphery supply is galvanically isolated from the in puts outputs C rail The C rail is an addit...

Page 41: ...wer supplies for module supply and periphery supply increase availability In the case of a short circuit in the periphery supply the module supply is maintained and the head module can continue to exc...

Page 42: ...y The module supply and periphery supply re quire a common 0 V reference potential Connect together the 0V connections on all the external power supplies and earth the 0 V mains at a single point Eart...

Page 43: ...upplies earthed supply group If the bridge is removed earth fault monitoring must be used in accordance with EN 60204 VDE 0113 Fieldbus Periphery Sensors Actuators Control cabinet PSSuniversal Mountin...

Page 44: ...arate power supplies floating supply group Control cabinet PSSuniversal Mounting rail Functional earth Earth bar C Rail Module Supply Periphery Supply Fieldbus Periphery Sensors Actuators Earth fault...

Page 45: ...supply earthed supply group Control cabinet Mounting rail PSSuniversal Functional earth Earth bar Module Supply Module Supply Periphery Supply Periphery Supply Periphery Supply Module Supply C Rail C...

Page 46: ...es the electrical con tact between the modules functional earth and the mounting rail Always connect the mounting rail to the protective earth via an earthing terminal This will be used to dissipate h...

Page 47: ...supply voltage The 0 V supply on the module supply is never interrupted but is always looped through across the whole module bus You should always refer to the description of the relevant electronic s...

Page 48: ...C The supply voltage for the first supply group can also be integrated within the head module 6 5 Wiring the base modules Procedure Use a flat blade screwdriver DIN 5264 A DIN 5264 A Strip the wire ba...

Page 49: ...ll go 5 Pull out the screwdriver 6 Check that the cable is firmly seated 21 11 1 3 2 4 5 6 6 5 1 Cable requirements Please note The minimum cable cross section for field connection terminals on the ba...

Page 50: ...n with the certification body responsible for safety e g BG T V Depending on the application area and its respective regulations the FS section can be used up to SIL CL 3 of EN 62061 and up to PL e Ca...

Page 51: ...If you are using multi core or fine core cables we recommend ferrules in accordance with DIN 46228 Part 1 or DIN 46228 Part 4 0 2 1 mm2 To crimp the ferrules we re commend crimping pliers crimp form A...

Page 52: ...he invalid hardware registry Apply the supply voltage for the periphery supply Check the functions of the inputs and outputs Most wiring errors can be detected in this way In the case of an error Corr...

Page 53: ...etyNET 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 de...

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