Modbus, 3 structure of modbus status registers – IAI America ROBO Cylinder Series User Manual

Page 59

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4. Communication

51

Modbus

4.3.3 Structure of Modbus Status Registers

The layout of the Modbus status registers is shown below.

ᵎᵎᵎᵎ

(Reserved for system)

(Note)

ᵎᵏᵎᵎ

῍ᴾ

ᵎᵏᵎᵤ

Device status register 1

[DSS1]

ᵎᵏᵏᵎ

῍ᴾ

ᵎᵏᵏᵤ

Device status register 2

[DSS2]ᴾ

ᵎᵏᵐᵎ

῍ᴾ

ᵎᵏᵐᵤ

Expansion device status register

[DSSE]ᴾ

ᵎᵏᵑᵎ

῍ᴾ

ᵎᵏᵑᵤ

Position number status register

[POSS]ᴾ

ᵎᵏᵒᵎ

῍ᴾ

ᵎᵏᵒᵤ

Zone status register

[ZONS]ᴾ

ᵎᵏᵓᵎ

῍ᴾ

ᵎᵏᵓᵤ

Input port monitor register

[DIPM]ᴾ

ᵎᵏᵔᵎ

῍ᴾ

ᵎᵏᵔᵤ

Output port monitor register

[DOPM]ᴾ

ᵎᵏᵕᵎ

῍ᴾ

ᵎᵏᵕᵤ

Special input port register

[SIPM]ᴾ

ᵎᵏᵖᵎ

῍ᴾ

ᵎᵏᵖᵤ

Expansion system status registerᴾ

[SSSE]

(Reserved for system)

(Note)

ᵎᵒᵎᵎ

῍ᴾ

ᵎᵒᵎᵤ

Device control register 1

[DRG1]ᴾ

ᵎᵒᵏᵎ

῍ᴾ

ᵎᵒᵏᵤ

Device control register 2

[DRG2]ᴾ

ᵎᵒᵐᵎ

῍ᴾ

ᵎᵒᵐᵤ

Expansion device control register

[DRGE]ᴾ

ᵎᵒᵑᵎ

῍ᴾ

ᵎᵒᵑᵤ

Position number specification register

[POSR]ᴾ

ᵤᵤᵤᵤ

(Reserved for system)

(Note)

Note Areas reserved for the system cannot be used for communication.

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