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Connecting to a Modbus TCP device with Cimplicity PE 8.0

Project Properties Cimplicity modbus 1. You can define the following: Field Description Description Enter the base scan rate for the port.

If you clear this check box, the port will not be enabled when the project starts, and points will not be available for devices on the Figure 1. You configure your "simulation" by simply setting up records in cimplicity modbus ODBC database in a table and the driver "plays them back" to the client application cimplicity modbus if they were live data.

Simulations can be one-time runs or continuously repeating. If you are configuring an Analog point type in Discrete Inputs or Coils, the address entered in this field must be that of the least significant bit of the point. For example, if you configure bit analog cimplicity modbus for Coils 17 through 32, enter in this field.


Enter the bit offset in the Holding Register or Input Register or General Reference that defines the point, where 0 is the least significant bit and 15 is the most significant bit. The data portion of the MSTR block can also include time-stamping data. The total transfer size for a command is words bytes. The size of the point data in the command depends on the time-stamp format cimplicity modbus the data: No time-stamping Compressed time-stamping Uncompressed time-stamping. It is up to the user to put the time-stamp data in the correct format in the PLC.


If the PLC sends an invalid time-stamp, the Modbus Plus communications enabler writes an error message to its standard error file mbp Invalid dates include dates before January 1, and years greater than The Modbus Plus communications enabler can receive unsolicited values for points in all four device memory types Coils, Discrete Inputs, Input Registers, and Holding Registers and from cimplicity modbus controllers over the Modicon Bridge Plus. Network address of the sending programmable controller in hexadecimal notation.

Real-Time Measurement and Control

This must match the network address configured in Device Configuration. Address of the point to be updated. Valid values are: 1 - for Coils - for Discrete Inputs - for Input Registers - for Holding Registers. Number of bytes of point data being sent. Valid values are: for no time-stamping for compressed time-stamping for uncompressed time-stamping If the most significant bit of this word is set, the Cimplicity modbus Plus communications enabler assumes that the unsolicited data is timestamped.

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These words contain the following: No time-stamping - Words 5 through 99 contain 95 words of point data. Compressed time-stamping - Words 5 through 7 contain the timestamp and Words 8 through 99 contain point data. Uncompressed time-stamping - Words 5 through 12 contain the time-stamp and Words 13 through 99 contain point data. Compressed Time-Stamp Format For the compressed time-stamp, Words 5 through 7 contain the following information: Word 5. Uncompressed Time-Stamp Format For the uncompressed time-stamp, Words 5 through 12 contain the following information: Word 5.This article walks through the minimal cimplicity modbus required to configure a Modbus TCP/ IP device in a CIMPLICITY project using the STAT_PLC.

When you are configuring ports, devices, and device points, you will be asked for some information that is specific to Modbus TCP/IP communications.

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