Autonomous Control System with Advant Controller 160 and AdvaSoft

Date: Mar 28, 2025 Views: 5845

　　The configuration is shown in Figure 4-7.

　　The Operator Station AdvaSoft 2.0 for Windows NT is time source, Advant Controller 160 on left is time master and can be synchronized via an external minute pulse. The other controllers are time slaves. The time master can contain a single Processor Module or dual or triple redundant Processor Modules or up to six Processor Modules for multiprocessing.

　　In case of redundant Processor Modules, the minute pulse is connected to each Processor Module. The active Processor Module is always the time master.

　　In case of single Processor Modules or station redundancy, the minute pulse is connected only to one Processor Module in one controller, which is the time master.

　　The time master sends time and date cyclically once a second as broadcast message. All other controllers receive these messages and set its internal clocks. Between two consecutive minute pulses the time master’s internal clock runs independently ever providing the actual time.

　　Control System with Superordinate Advant Controller 450

　　The configuration is shown in Figure 4-8.

　　The controller Advant Controller 450 is time master. It can be synchronized via MB300 or via an external minute pulse. The other controllers at the Advant Fieldbus 100 are time slaves.

　　Advant Controller 450 cyclically sends time and date once per second as broadcast message via Advant Fieldbus 100.

　　The other controllers receive these messages and set its internal clocks.

　　Between two consecutive minute pulses the time master’s internal clock runs independently ever providing the actual time.

　　Synchronizing Multi Processor Systems with Minute Pulse

　　The configuration is shown in Figure 4-9. All Processor Modules receive the same minute pulses from an external clock. Pin 4 (external time sync) and Pin 6 (GND) of the I/O port are used.

　　Connecting a DCF77 Clock to Com B

　　All Processor Module are capable to connect to a DCF77 clock via serial port Com B. The connection depends on the type of DCF77 clock being used. The following example shows the pinout for the “Hopf 7001 DCF” clock:

　　Chapter 5 Mechanical Design

　　Mechanically, Advant Controller 160 consists of subracks, cable ducts, modules and process connectors.

　　The mechanical design of the S600 and S800 I/O modules is described in detail in two separate Product Guides.

　　The subracks and cable duct are designed for wall mounting.

　　The 10-position controller subrack, RF616, is the primary subrack. It provides dedicated positions for Processor Module, Communication Interface and Bus Extender modules. There is a two-digit thumb wheel switch for setting the station address. The individual module address is given by its position in the subrack.

　　The bus connector links the controller subrack to an optional extension subrack via a bus cable (TK612). The 10-position extension subrack, RF620, extends the number of I/O modules of a station. The individual module address is given by its position in the subrack.

　　The cable duct, RC610, holds the process cables. It also provides ten screw terminals for connecting the cable shields of process cables to ground.

　　Figure 5-1 shows the physical layout and Figure 5-2 the dimensions of a fully equipped subrack with cable duct

　　Advant Controller 160 can be delivered as separate subracks for mounting in any suitable cabinet, but it can also be delivered in standard RM5xx cabinets, please refer to Chapter 8.

　　Full information for mounting Advant Controller 160 in cabinets is given in the cabinets chapter of the Product Guide for Advant OCS with Master Software, Overview, or for details in the Advant Controller 160 User’s Guide.

　　The Data Set communication service cyclically transfers information from the DAT elements specified in the sending controller to the DAT elements specified in the receiving controller. The cycle time for each Data Set can be selected from the range 2 ms to 4 s.

　　The Data Set communication service is based on the broadcast principle, allowing any station to receive any Data Set sent on the bus. The advantage of broadcasting is that information only needs to be transmitted once regardless of the number of receiving stations. This principle is highly efficient when the same information is required in two or more stations, especially in time-critical applications.

　　The Data Set communication uses resources on Advant Fieldbus 100, in the Communication Interface modules and also in the Processor Module. The system data shown in Table 6-2 and Table 6-3 are valid both for the main control Advant Fieldbus 100 and the second (subordinate) control Advant Fieldbus 100.

　　RCOM/RCOM+ Communication

　　An MVI channel may act as master or slave. In case of master operation it can have up to 25 slaves. Data between master and slave station is transferred using MVB elements (MVI data block) which is similar to Data Set elements. MVB elements hold references to DAT elements. 1 to 8 DAT elements can be connected to one MVB with RCOM. RCOM supports 1 to 8 DAT and RCOM+ supports 1 to 24 DAT’s.

　　The number of MVI data blocks that can be exchanged via the serial interface depends on the transmission speed and the specified cycle time. For performance estimation—including resulting CPU load—the figures for Advant Controller 110 within Advant OCS Product Guide as worst case figures can be used.

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