Yokogawa JUXTA M Series Digital Limit Alarms MVTK Uživatelský manuál stáhnout pdf (Strana 50)

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IM 77J04J11-01E 1st Edition : 2006.08.25-00

5.2 Function Codes

5.2.1 List of Function Codes

Function codes are command words used by the higher-level device to obtain the D regis-

ter data of the M Series.

Table 5-2 List of Function Codes

Code Number

03 Reads data from multiple

registers.

Capable of reading data from a maximum of 64 successive

registers.

06 Writes data into a register. Capable of writing data into one register.

Writes data into multiple

registers.

16 Capable of writing data into a maximum of 64 successive

registers.

Performs loop back test.08 Used to check the connection for communication.

Function Description

• The write function codes will not write into read-only or disabled registers.

• Broadcast addressing is possible with function codes 06 and 16 only. (Also in this

case, read-only or disabled registers will not be written into.)

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 69 70

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Yokogawa JUXTA M Series Digital Limit Alarms MVTK Uživatelský manuál Strana 50