MOTOROLA MVME5500 MODBUS Function Code

MVME5500

Technical Parameters
◆ Integrated design of data acquisition and transmission.
◆ Micro-power consumption design, support battery, solar energy, utility power supply.
◆ IP68 protection level, waterproof, moisture-proof, anti-soaking.
◆ Supports two working modes: wake-up timer and real-time online.
◆ Provide 5V and 12V DC power supply for the transmitter.

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Description

MOTOROLA MVME5500 MODBUS Function Code

The MVME5500 rarely interferes with the underlying delivery system, it adapts to a wide range of delivery systems and provides flow control to enable systems with different rates to communicate. The message segment is the basic transmission unit used by TCP to transmit data or control information. Transmission over TCP/IP Ethernet, supports Ethernet II and 802.3 two frame formats. As shown in Figure 3, Modbus TCP data frame contains 3 parts: message header, function code and data.

MVME5500 features:

(1) Public Function Code (as shown in Table 2): Function code which has been defined to ensure its uniqueness and recognized by Modbus.org.
(2) There are two groups of user-defined function codes, 65-72 and 100-110, which do not need to be recognized, but the uniqueness of code usage is not guaranteed. If it becomes a public code, it needs to be submitted to RFC for approval.
(3) Reserved function codes, which are used by certain companies for certain legacy equipment, may not be used for public purposes.

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