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Siemens SIMATIC PCS 7 Operating Manual

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Siemens SIMATIC PCS 7 User Manual
Siemens SIMATIC PCS 7 User Guide
Siemens SIMATIC PCS 7 Online Manual

Text of Siemens SIMATIC PCS 7 User Guide:

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.11 Monitoring times and system response times Compendium Part B - Process Safety (V8.2) 150 Operating Manual, 07/2016, A5E35031794-AB T Delay1/Delay2 parameters You can find these parameters in the H parameters within the CPU properties. The value should be taken from the transmitting or receiving CPU.

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.4 Setting system parameters for F-signal modules Compendium Part B - Process Safety (V8.2) 68 Operating Manual, 07/2016, A5E35031794-AB Parallel interconnection To improve performance you can connect two digital outputs of the module for an actuator in parallel (channel coupling). This increase in performance is only permitted on the same module and between the following channels: ● Channel 0 and channel 1: Connection between terminal 3 and 7 ● Channel 2 and channel 3: Connection between termin

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.11 Monitoring times and system response times Compendium Part B - Process Safety (V8.2) 158 Operating Manual, 07/2016, A5E35031794-AB F signal module T WCDT T OFDT Example calculation of the response time of EM 8 F-DI Ex NAMUR: • Parameter assignment: – 1oo2 (2v2) evaluation (equivalent or non-equivalent) – Discrepancy behavior: Provide last valid value – Discrepancy time: 400 ms – Sensor supply at 1oo2 (2v2): Sensor n and n+4 to Vs n – Input delay: 3 ms – Sensor supply test: Activated – T

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.4 Setting system parameters for F-signal modules Compendium Part B - Process Safety (V8.2) 60 Operating Manual, 07/2016, A5E35031794-AB Sensor evaluation (analog inputs) ● 1oo2 evaluation 1 sensor connected to the module via a single-channel redundant connection (voting on module). The module has 6 redundant SIL 3-compatible channels. Safety class SIL3 can be achieved here: Type of sensor interconnection (analog inputs) When safety mode is activated 1 or 2 sensors can

  • Configuring S7F/FH hardware 6.4 Setting system parameters for F-signal modules Compendium Part B - Process Safety (V8.2) 50 Operating Manual, 07/2016, A5E35031794-AB 6.4.5 Parameter assignment for SM326; DI 8 x NAMUR Sensor evaluation ● 1oo1 (1v1) evaluation A sensor connected to the F signal module via a single channel ● 1oo2 (2v2) eva

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.8 Compiling the F-program Compendium Part B - Process Safety (V8.2) 120 Operating Manual, 07/2016, A5E35031794-AB Note The CFC charts and runtime groups with fail -safe blocks appear in yellow and are marked "F" to distinguish them from standard charts.

  • Configuring the safety program 7.2 Creating the safety program Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 81 7.2.1 Defining the program structure In addition to considering the standard scenario, you need to answer the following questions when drafting a safety program: ● Which parts of the user program need to be fail-s

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.1 Introduction Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 79 During compilation, specific functions for detecting and reacting to errors are automatically added to the F-program. The S7 F-System optional package also features functions for comparing F-programs and providing support for the acceptance and approval procedure for F-programs, such as functions for generating a signature via the F-program which can be used to detect changes to functions and parameters. This signature is saved during the plant a

  • Configuring S7F/FH hardware 6.2 Adapting CPU parameters (fault-tolerant F system) Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 33 ● H system STOP: The entire H system is set to the STOP system mode. ● Standby CPU STOP: The standby CPU is set to the STOP mode. The master CPU remains in RUN (solo system mode). Note Pro

  • Siemens SIMATIC PCS 7, Configuration with Safety Matrix 8.3 Organizing matrices into different shutdown groups Compendium Part B - Process Safety (V8.2) 164 Operating Manual, 07/2016, A5E35031794-AB Inserting a new matrix in a new shutdown group. To insert a new matrix and assign it to a new shutdown group, proceed as outlined below. 1. Create a new matrix and, in the Safety Matrix engineering tool, for the matrix cycle time select a cyclic interrupt OB that is not in use and into which no matrices have yet been inserted. 2. Create your safety function and transfer

  • Configuring S7F/FH hardware 6.1 Adapting CPU parameters (single F-system) Compendium Part B - Process Safety (V8.2) 20 Operating Manual, 07/2016, A5E35031794-AB As of PCS 7 V8.1, you can encrypt the CPU password assigned by the hardware configuration in the project data management. The increased password security is only relevant for the engineering system. If the check box i

  • Configuring S7F/FH hardware 6.3 Communications module parameters/Networks Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 39 Maximum disabling time for priority classes Check the value for "Maximum disabling time for priority classes > 15". Note We recommend doing this again on the plant once commissi

  • Siemens SIMATIC PCS 7, Configuration with Safety Matrix 8.3 Organizing matrices into different shutdown groups Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 165 4. Place the F_PSG_M block in the matrix chart to create the required shutdown group. Make sure to insert it at the end of the new matrix runtime group. 5. In order to transfer any changes that may be made in the Safety Matrix engineering tool to the correct runtime/shutdown group as well, you will then need to set the matrix cycle time to the current value, whi

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.5 Configuring redundant F-signal modules Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 73 7. Check the default discrepancy time for redundant, fail-safe digital input modules. 8. Create a symbol for the lower I/O address and interconnect the channel driver with this address. If you are operating a HART device on a channel of a redundant module, you also need to follow the steps outlined below: 1. In both modules, configure a "HART field device" on the relevant channel. 2. In the properties, select "On" or "Can be switched" under th

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.11 Monitoring times and system response times Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 133 7.11 Monitoring times and system response times A fail-safe system must switch the process to a safe state within a defined response time in the event of a system error (e.g. CPU failure, F-signal module failure, communications failure, program execution error). To achieve this, a variety of monitoring times have been implemented to ensure that the affected functions are brought to a safe state if this time is exceeded. What is the purpose of mo

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.2 Creating the safety program Compendium Part B - Process Safety (V8.2) 88 Operating Manual, 07/2016, A5E35031794-AB Rules for F-runtime groups in the safety program ● We recommend that you proceed as follows in order to make the lengths of the F-cycles as uniform as possible: If you mix F-and standard runtime groups in a cyclic interrupt OB, you must execute the F-runtime groups before the standard runtime groups. ● The following defaults are set for properties of an F-runtime group: – Reduction ratio = 1 – Phase offset = 0 ● You are not permitted to move automatically gen

  • Siemens SIMATIC PCS 7, Table of contents Compendium Part B - Process Safety (V8.2) 4 Operating Manual, 07/2016, A5E35031794-AB 6.4 Setting system parameters for F-signal modules .................................................................. 43 6.4.1 Operating mode ..................................................................................................................... 43 6.4.2 PROFIsafe addresses ............................................................................................................ 44 6.4.3 Module parameters - general ..................

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.6 Marshalled Termination Assemblies (MTAs) Compendium Part B - Process Safety (V8.2) 74 Operating Manual, 07/2016, A5E35031794-AB 6.6 Marshalled Termination Assemblies (MTAs) The MTA Terminal Modules enable you to connect field devices, sensors, and actuators quickly and easily to the F signal modules of the ET 200M distributed I/O. MTAs are available for standard and F signal modules. Pre-assembled cables are used to wire the MTAs to the singular or redundant ET 200M modules. MTA

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.7 "Wiring and Voting" architectures for ET 200M Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 77 6.7.2 2oo3 Voting with F-AI 2-out-of-3 selection uses three sensors and, for example, three F-AI modules. In the example, each sensor is wired to channel 0 of an F-AI module. The individual signals are then evaluated in the user program. SIL 3 can be achieved with a 2-channel configuration.

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.2 Adapting CPU parameters (fault-tolerant F system) Compendium Part B - Process Safety (V8.2) 36 Operating Manual, 07/2016, A5E35031794-AB 6.2.4 Calculating monitoring times Calculation You can use this dialog to calculate monitoring times for updating the standby CPU. You need to enter information about your user program for this purpose: ● Runtime of cyclic interrupt OB with special handling ● Work memory used for all data blocks in the user program Defaults from the process (monitoring times) and the current configuration (bus parameters, number and type of DP slaves, et

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.2 Adapting CPU parameters (fault-tolerant F system) Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 37 Run time of the cyclic interrupt concerned If a cyclic interrupt OB with special handling has already been configured, half its execution interval will be entered as the default setting for "Runtime of the watchdog interrupt concerned". Here, enter the actual runtime of the cyclic interrupt with special handling, plus some reserve time (1

  • Siemens SIMATIC PCS 7, Changes, tracking changes, and acceptance 9.8 Plant acceptance Compendium Part B - Process Safety (V8.2) 184 Operating Manual, 07/2016, A5E35031794-AB To print individual or multiple charts from the SIMATIC Manager, you must make the CFC editor settings in the "Print" dialog. For this purpose, open a chart in CFC, go to the "Chart > Print" menu, and then select the printout options shown below. In the chart directory of your AS, within the SIMATIC Manager you then have the option of highlighting charts for pr

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.10 Operating and changing safety-related parameters on a PCS 7 OS Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 127 Operator types for SDW A transaction can only be performed by an individual operator who initiates, checks, and confirms the change. However, one transaction can be performed by two operators. The first operator initiates the change (initiator) and the second re-enters, checks, and confirms the value (confirmer).

  • Siemens SIMATIC PCS 7, Configuring S7F/FH hardware 6.1 Adapting CPU parameters (single F-system) Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 27 Example 2: Reconfiguration/migration, for which the hardware present must be connected via serial communication (Modbus) OB Prio Call interval Purpose Comment OB 38 18 50 ms Serial communication Ex.: Modbus OB 37 17 300 ms Fast F-application OB with special handling OB 36 16 1000 ms F application OB 35 12 100 ms Fast standard application Ex.: Control OB 34 11 200 ms Standard application Ex.:

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.3 Configuring fail-safe AS-AS communication Compendium Part B - Process Safety (V8.2) 98 Operating Manual, 07/2016, A5E35031794-AB Procedure Follow the steps outlined below: 1. Add the send block (F_SENDBO/F_SENDR) to the safety program from which data is to be transmitted. 2. Add the receive block (F_RCVBO/F_RCVR) to the safety program to which data is to be transmitted. 3. Assign the relevant IDs of the configured S7 connections to the "ID" inputs. 4. Configure the R_ID inputs. This defines the relationship between a send block and a receive block: The associ

  • Siemens SIMATIC PCS 7, Configuring the safety program 7.2 Creating the safety program Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 91 Extract from a chart for shutdown group 1 with send block: The connection to shutdown group 2 is established by linking output S_DB of block F_S_BO_1 in shutdown group 1 with input S_DB on block F_R_BO_1 in shutdown group 2. Extract from a chart for shutdown group 2 with receive block: See also Monitoring times and system response times (Page 133)

  • Siemens SIMATIC PCS 7, Installing the fail-safe system 4.3 Installation on the PCS 7 operator station (OS) Compendium Part B - Process Safety (V8.2) Operating Manual, 07/2016, A5E35031794-AB 13 4.2.2 Installing Safety Matrix Procedure Safety Matrix Engineering requires an installation of F-System. Check if a corresponding version is installed. 1. Start the installation of the Safety Matrix using SETUP.EXE. 2. Follow the instructions of the setup wizard and select the "Engineering" package. The following components are selected for installation in the next window: – Safety Matrix Engineer

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