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PSS u2 EF 8DI Control system PSS u2 Remote I/O system PSS u2 Operating Manual-1003619-EN-03...
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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.
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...
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Contents Order reference ........................10.1 Product ............................. 10.2 Accessories ..........................Operating Manual PSS u2 EF 8DI 1003619-EN-03...
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.
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Introduction INFORMATION This gives advice on applications and provides information on special fea- tures. Operating Manual PSS u2 EF 8DI 1003619-EN-03...
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 –...
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...
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...
(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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
– 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...
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...
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...
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...
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...
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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...
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...
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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...
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...
[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...
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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...
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...
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...
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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...
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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...
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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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