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IM 04L51B01-01EN
Using Modbus Functions (Communicating with Modbus devices)
4
Math Channel Data and Status Information
Data Register Data Type
Lower bytes of the computed data of channel A001 305001 32-bit signed integer
Higher bytes of the computed data of channel A001 305002
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Lower bytes of the computed data of channel A100 305199
Higher bytes of the computed data of channel A100 305200
Lower bytes of the computed data of channel A101 306001
Higher bytes of the computed data of channel A101 306002
| |
Lower bytes of the computed data of channel A200 306199
Higher bytes of the computed data of channel A200 306200
• Register configuration of computed data
Channel A001 example
Higher bytes Lower bytes
Register 305002
Channel A001 computed data
Register 305001
• There is no decimal place information.
Lower bytes of the computed data of channel A001 305201 32-bit floating point
Higher bytes of the computed data of channel A001 305202
| |
Lower bytes of the computed data of channel A100 305399
Higher bytes of the computed data of channel A100 305400
Lower bytes of the computed data of channel A101 306201
Higher bytes of the computed data of channel A101 306202
| |
Lower bytes of the computed data of channel A200 306399
Higher bytes of the computed data of channel A200 306400
• There is no decimal place information.
Channel A001 computed data 305401 16-bit signed integer
| |
Channel A100 computed data 305500
Channel A101 computed data 306401
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Channel A200 computed data 306500
• There is no decimal place information.
Channel A001 status information 305501 16-bit signed integer
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Channel A100 status information 305600
Channel A101 status information 306501
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Channel A200 status information 306600
• Status register configuration
This is the same as that of the I/O channel data status information.
4.5 Modbus Function and Register Assignments
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