
4.4 Slave Data Input / Output
Unified Controller nv Series DeviceNet Module DN611B Instruction Manual
63
4.4.2
Confirming the allocations
1) Function
Where in the input/output data areas of the DN611B the input/output data of a specified slave device are
allocated is calculated. Based on this allocation information, the input/output data are read or written using
an MREAD or MWRITE instruction.
2) Diagrammatic representation (Function block)
DN_INSTRUCT
REQ
DONE
CH
ERR
UNIT
STATUS
SLOT
BS_ADD
NODE
BS_N
RPOL_ADD
RPOL_N
WPOL_ADD
WPOL_N
Input Argument
Output Argument
REQ
BOOL type
Execution enabled DONE
BOOL type
Completed
CH
WORD type
Channel No.
ERR
BOOL type
Error
UNIT
WORD type
Unit No.
STATUS
WORD type
Station status
SLOT
WORD type
Slot No.
BS_ADD
WORD type
BS input data top address
NODE
WORD type
Node address
BS_N
WORD type
No. of BS input data words
RPOL_ADD
WORD type
P input data top address
RPOL_N
WORD type
No. of P input data words
WPOL_ADD
WORD type
P output data top address
WPOL_N
WORD type
No. of P output data words
P: Polling BS: Bit strobe
Содержание DeviceNet nv Series
Страница 1: ...Unified Controller nv Series type1 light DeviceNetTM Module DN611B Instruction Manual 6F8C1686 ...
Страница 30: ...Chapter 1 DN611B Introduction 6F8C1686 14 ...
Страница 92: ...Chapter 4 Settings 6F8C1686 76 3 Register the slave node Figure 4 16 Register the slave node Drag and Drop ...
Страница 149: ...13 3 133 B Appendix B Outside Dimension ...
Страница 150: ...Appendix B Outside Dimension 6F8C1686 134 Figure B 1 External dimension 135 mm 35mm 130 mm 111 5mm 105mm ...
Страница 151: ...13 5 135 C Appendix C Related products C 1 Network components 136 C 2 DeviceNet setting tool 138 ...
Страница 159: ...1686 2 2201 ...