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Summary of Contents for Pilz PSS u2 EF 8DI
- Page 1 PSS u2 EF 8DI Control system PSS u2 Remote I/O system PSS u2 Operating Manual-1003619-EN-03...
- Page 2 Preface This document is the original document. All rights to this documentation are reserved by Pilz GmbH & Co. KG. Copies may be made for the user's internal purposes. Suggestions and comments for improving this documenta- tion will be gratefully received.
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Page 3: Table Of Contents
Changing an electronic module during operation ..............Wiring ............................General wiring guidelines ......................7.1.1 Connection mechanism for terminal blocks ................Terminal configuration ......................Operation ..........................Display elements and messages ....................Technical details ........................Safety characteristic data ......................Operating Manual PSS u2 EF 8DI 1003619-EN-03... - Page 4 Contents Order reference ........................10.1 Product ............................. 10.2 Accessories ..........................Operating Manual PSS u2 EF 8DI 1003619-EN-03...
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Page 5: Introduction
This operating manual explains the function and operation, describes the installation and provides guidelines on how to connect the product. This documentation is valid for the product PSS u2 EF 8DI. It is valid until new documenta- tion is published. - Page 6 Introduction INFORMATION This gives advice on applications and provides information on special fea- tures. Operating Manual PSS u2 EF 8DI 1003619-EN-03...
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Page 7: Overview
Details of the terminal blocks that can be used are available under "Intended Use". Module features Application of the product PSS u2 EF 8DI: Electronic module with digital inputs for failsafe applications The product has the following features: 8 type 1/3 digital inputs in accordance with IEC 61131-2 –... -
Page 8: Safety
Use of the module outside the areas described in this manual, Any use of the module that is not in accordance with the technical details. The module PSS u2 EF 8DI may be used in conjunction with the following terminal block: 16-pin terminal block... -
Page 9: Use Of Qualified Personnel
In safety-related applications, please comply with the mission time T in the safety-related characteristic data. When decommissioning, please comply with local regulations regarding the disposal of electronic devices (e.g. Electrical and Electronic Equipment Act). Operating Manual PSS u2 EF 8DI 1003619-EN-03... -
Page 10: Function Description
(FS) Periphery Supply +24 V DC Fig.: Block diagram PSS u2 EF 8DI Supply The module supply provides the module with voltage. The periphery supply is used to supply the sensors and test pulses. The module switches the periphery supply from the module bus to the terminal block. - Page 11 The minimum processing time applies for the signal change from "1" to "0" and from "0" to "1". – Min. processing time = 0 ms Non-safety-related guaranteed maximum processing time Operating Manual PSS u2 EF 8DI | 11 1003619-EN-03...
- Page 12 A signal is always detected and signalled to the head module's PII if it is present for longer than the sum of the following times: Minimum signal time t signal_min FS cycle time of module bus Operating Manual PSS u2 EF 8DI | 12 1003619-EN-03...
- Page 13 0-signal at the terminal 1-signal at the terminal after pulse stretching has after pulse stretching has starts pulse stretching elapsed elapsed Waiting for 0-signal 1-signal in the module Fig.: States for pulse stretching Operating Manual PSS u2 EF 8DI | 13 1003619-EN-03...
- Page 14 Stretched 0-signal in the module FALSE Clamp 0-signal 1-signal 1-signal Pulse stretching stretch stretch stretch Stretched signal tsignal_min tsignal_min_0 FALSE TRUE Fig.: Timing diagram: pulse stretching > signal duration of 1-signal Operating Manual PSS u2 EF 8DI | 14 1003619-EN-03...
- Page 15 Time for which a 0-signal must be present in order to be detec- signal_min_0 ted safely Time for which a 1-signal must be present in order to be detec- signal_min ted. Stretched 1-signal in the module TRUE Stretched 0-signal in the module FALSE Operating Manual PSS u2 EF 8DI | 15 1003619-EN-03...
- Page 16 Configurable maximum duration of discrepancy monitoring If the configured duration has elapsed and the expected signals are not present, a discrepancy error is signalled and the PII is set to "0/0". Operating Manual PSS u2 EF 8DI | 16 1003619-EN-03...
- Page 17 Error reaction Legend tconf_discr Maximum duration of discrepancy monitoring The PII during this time depends on the configuration: Keep last valid value: I0=0 (I1 is not evaluated) Set value to "0": I0=0/I1=0 Operating Manual PSS u2 EF 8DI | 17 1003619-EN-03...
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Page 18: Test Pulse Outputs
– T0: I0 and I4 – T1: I1 and I5 – T2: I2 and I6 – T3: I3 and I7 Inputs may only be wired to test pulses of the same module. Operating Manual PSS u2 EF 8DI | 18 1003619-EN-03... -
Page 19: Integrated Protection Mechanisms
The energy levels are supported by the head module and are not configurable. The module supports the following energy levels: – Switching off the LEDs that display the module and terminal status – Switching off the LEDs that display the terminal status Operating Manual PSS u2 EF 8DI | 19 1003619-EN-03... -
Page 20: Address Assignment
Valid bit of input I3 Bit 4 Valid bit of input I4 Bit 5 Valid bit of input I5 Bit 6 Valid bit of input I6 Bit 7 Valid bit of input I7 Operating Manual PSS u2 EF 8DI | 20 1003619-EN-03... -
Page 21: Installation
6.1.1 Dimensions 12,5 51,1 111,1 Fig.: Dimensions in mm, including backplane, electronic module and terminal block Operating Manual PSS u2 EF 8DI | 21 1003619-EN-03... -
Page 22: Inserting And Removing An Electronic Module
Inserting an electronic module 1. Insert the electronic module into the suspen- sion lug on the back- plane. 2. Swivel the electronic module downwards until you hear it click into place. Operating Manual PSS u2 EF 8DI | 22 1003619-EN-03... - Page 23 Installation 3. Insert the terminal block into the suspen- sion lug on the module. 4. Swivel the terminal block upwards until you hear it click into place. Operating Manual PSS u2 EF 8DI | 23 1003619-EN-03...
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Page 24: Removing An Electronic Module
The module is detected automatically as soon as the module is re-inserted. Procedure: 1. Removing an electronic module 2. Inserting an electronic module A new electronic module can be inserted during operation. Operating Manual PSS u2 EF 8DI | 24 1003619-EN-03... - Page 25 Inserting an electronic module Effects: Module bus communication between the other modules is not interrupted. The head module may need to be configured and restarted in order for the new module to be detected. Operating Manual PSS u2 EF 8DI | 25 1003619-EN-03...
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Page 26: Wiring
The minimum cable cross section for field connection terminals on the terminal blocks is 0.15 mm (AWG26). The maximum cable cross section for field connection terminals on the terminal blocks is 1.5 mm with ferrules (AWG14) Use copper wiring. Operating Manual PSS u2 EF 8DI | 26 1003619-EN-03... -
Page 27: Terminal Configuration
14: Test pulse output T2 / +24 V voltage output (periphery supply) / HiZ (output switched off) 15: Input I7 16: Test pulse output T3 / +24 V voltage output (periphery supply) / HiZ (output switched off) Operating Manual PSS u2 EF 8DI | 27 1003619-EN-03... -
Page 28: Operation
[2] Green Module in operation and there is a "0"- signal at terminal [2] Configuration error Module was inserted in the wrong slot. Internal error/firmware update See module's dia- gnostic log Operating Manual PSS u2 EF 8DI | 28 1003619-EN-03... - Page 29 After the "too hot" message has been received, if the temperature drops back below the "too warm" threshold value, the module will switch to an error-free state. Legend LED on LED flashes LED flashes briefly LED off Operating Manual PSS u2 EF 8DI | 29 1003619-EN-03...
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Page 30: Technical Details
60068-2-30, EN 60068-2-78 Ambient temperature In accordance with the standard EN 60068-2-14 Temperature range 0 - 55 °C Storage temperature In accordance with the standard EN 60068-2-1/-2 Temperature range -40 - 70 °C Operating Manual PSS u2 EF 8DI | 30 1003619-EN-03... -
Page 31: Safety Characteristic Data
Where standards are undated, the 2015-04 latest editions shall apply. Safety characteristic data NOTICE You must comply with the safety characteristic data in order to achieve the required safety level for your plant/machine. Operating Manual PSS u2 EF 8DI | 31 1003619-EN-03... - Page 32 The safety-related characteristic data (PFH, PFD) are mean values. They have been calcu- lated at an average ambient component temperature of 40 °C and apply for the ambient temperature range stated in the technical details. Operating Manual PSS u2 EF 8DI | 32 1003619-EN-03...
- Page 33 PSS u2 A CE T (10 pc.) Coding strip, 10 pieces 328 861 Backplanes Product type Features Order no. PSS u2 B 1 Backplane, 1 slot 328 811 PSS u2 B 4 Backplane, 4 slots 328 810 Operating Manual PSS u2 EF 8DI | 33 1003619-EN-03...
- Page 34 Front cover Support Technical support is available from Pilz round the clock. Americas Australia Scandinavia Brazil +61 3 95600621 +45 74436332 +55 11 97569-2804 Spain Canada Europe +34 938497433 +1 888-315-PILZ (315-7459) Austria Switzerland Mexico +43 1 7986263-0 +41 62 88979-30...
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