Installation/startup instruction (English) - PNet - Trend
Installation/startup instruction (English) - PNet - Trend Installation/startup instruction (English) - PNet - Trend
Configure the IQ3/XNC MODBUS Driver6.4.1.1 Data Request Code Examples6.4.1.1.1 Reading 1 or more values (MODBUS functions 1 and 2)The example below shows a store configured to read 5 bits starting at MODBUS address 1 in device 1. In thisexample the IQ3/XNC writes the first bit to output 1, the second bits to output 2, etc.E001#F01#A00001#N05#O001#C0000 Format type (always 0 for function 1)001 TCL output (output 1 for the first bit and because 5 valuesare requested through to output 5 for the fifth bit)05 Number bits to read (5)00001 Location of first bit to read01 MODBUS function (function 1)001 device number6.4.1.1.2 Reading 1 or more words of 16 bits (MODBUS functions 3 and 4)The example below shows a store configured to read 2 values (2 words of 16 bits each) starting at MODBUS address1 in device 1. In this example, the XNC3 writes the first value to output 6 and the second to output 7.E001#F03#A00001#N02#O006#C00#MS/LSMS/LS Most significant bit first00 Format type006 TCL output (output 6 for the first value and output 7 for the secondvalue)02 Number values to read (2 words of 16 bits each)00001 Location of first bit to read03 MODBUS function (function 3)001 device number28 IQ3/XNC MODBUS Driver Manual TE201101 Issue 2, 12-Apr-2011
Configure the IQ3/XNC MODBUS Driver6.4.1.1.3 Reading a word with a bit mask (MODBUS functions 3 and 4)Some manufacturers use a 16 bit word to encode Boolean values. In such cases, functions 3 and 4 should be used asbelow, with C09 format. The C09 format only allows a single 16 bit word to be read therefore ‘09’ format must beused. A bit mask can be used for selecting the bits desired, to facilitate reading the data. For example, if you need toretrieve bits 0, 7, 11 and 15, the following bit mask value should be used:1000100010000001 (MSB first).The example below shows a store configured to read 1 word at MODBUS address 5009 in slave 1. In this example,the XNC3 retrieves the word at address 5009 and applies the mask so as to write the bit 0 value to Output 3, the bit 7value to Output 4, and so on. This example shows how a bit mask can be used to optimise Output module use.E001#F03#A05009#N01#O003#C09#1000100010000001Bit mask to retrieve bits 0, 7, 11, and 1509 Format type003 TCL output (output 3 for the first bit and output 4 for the second bit)01 Number values to read (must be 1 when C09 format is used.)05009 Location of first bit to read03 MODBUS function (function 3)001 device number6.4.1.1.4 Reading 1 or more IEEE words (MODBUS functions 3 and 4)The example below shows a store configured to read a single IEEE 754 value at MODBUS address 1 in device 1. TheXNC3 writes the value to output 8.E001#F03#A00007#N01#O008#C04#LS/MSLS/MS Least significant bit first04 Format type (always 4 for IEEE format)0008 TCL output01 Number values to read00007 Location value to read03 MODBUS function (function 3)001 device numberNote that Trend electricity meters use IEEE 745 format, not the standard IEEE 754. For those devices, use the C06format and not C04. For the EM-MPO SIRIO, the example above would therefore be:E001#F03#A00007#N01#O008#C06#MS/LSIQ3/XNC MODBUS Driver Manual TE201101 Issue 2, 12-Apr-201129
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Configure the IQ3/XNC MODBUS Driver6.4.1.1 Data Request Code Examples6.4.1.1.1 Reading 1 or more values (MODBUS functions 1 and 2)The example below shows a store configured to read 5 bits starting at MODBUS address 1 in device 1. In thisexample the IQ3/XNC writes the first bit to output 1, the second bits to output 2, etc.E001#F01#A00001#N05#O001#C0000 Format type (always 0 for function 1)001 TCL output (output 1 for the first bit and because 5 valuesare requested through to output 5 for the fifth bit)05 Number bits to read (5)00001 Location of first bit to read01 MODBUS function (function 1)001 device number6.4.1.1.2 Reading 1 or more words of 16 bits (MODBUS functions 3 and 4)The example below shows a store configured to read 2 values (2 words of 16 bits each) starting at MODBUS address1 in device 1. In this example, the XNC3 writes the first value to output 6 and the second to output 7.E001#F03#A00001#N02#O006#C00#MS/LSMS/LS Most significant bit first00 Format type006 TCL output (output 6 for the first value and output 7 for the secondvalue)02 Number values to read (2 words of 16 bits each)00001 Location of first bit to read03 MODBUS function (function 3)001 device number28 IQ3/XNC MODBUS Driver Manual TE201101 Issue 2, 12-Apr-2011
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