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General| Brand | Eastron |
|---|---|
| Model | SDM530-MT |
| Category | Measuring Instruments |
| Language | English |
Details the parameters the unit can measure and display, including voltage, current, and energy.
Explains the RS485 communication facility and Modbus RTU protocol.
Describes the two pulse outputs and their configurable nature for energy measurement.
Details the procedure for changing the unit's password and entering setup mode.
Defines the energy amount per pulse for pulse output 1.
Sets the communication speed (baud rate) for RS485.
Lists all parameters the unit can monitor and display.
Details the accuracy for voltage, current, power, and energy measurements.
Describes the RS485 and pulse output interfaces for external communication.
Introduces the Modbus protocol and its application with the meter.
Explains how data is coded and transmitted in Modbus RTU mode.
Lists specific input registers, their addresses, and descriptions.
Lists holding registers for parameter viewing and modification.
Summarizes key parameters of the RS485 standard.
Explains the half-duplex nature of RS485 communication.
Provides instructions for connecting instruments to an RS485 network.
Explains the structure of Modbus messages including addresses and data.
Details the Remote Terminal Unit (RTU) mode for Modbus.
Covers silent intervals and message transmission timing in RTU mode.
Details the structure of transmitted characters including start, data, parity, and stop bits.
Details the process and limitations of parity checking.
Explains the Cyclic Redundancy Check (CRC) for message integrity.
Provides a table of supported Modbus function codes and their descriptions.
Describes the structure of floating-point numbers and their conversion.
Explains how to use Modbus code 04 to read input registers.
Explains how to use Modbus code 03 to read holding registers.
Lists and defines the exception codes returned by the meter.
Details the query and response format for diagnostic functions.
Details the process and limitations of parity checking.
Explains the Cyclic Redundancy Check (CRC) for message integrity.
Provides a table of supported Modbus function codes and their descriptions.
Describes the structure of floating-point numbers and their conversion.
Illustrates reading input registers using Modbus code 04.
Illustrates reading holding registers using Modbus code 03.
Lists and defines the exception codes returned by the meter.
Details the query and response format for diagnostic functions.
