Toshiba DeviceNet nv Series, Instruction Manual, Page: 76 / 159

Chapter 4 Settings
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4.4.1
Input/output data area batch access
1) Function
This is to write output data from the area (WRITE_DT) provided for the controller in the polling output data
area and bit strobe output data area of the DN611. If the data is for polling, specify a data size in the range
of 1 to 128 words; if it is for bit strobe, the data size is fixed at 4 words.
Input data is also copied from the polling/bit strobe input data area of the DN611B into the area (READ_DT)
provided by the controller. Specify a data size in the range of 1 to 128 words.
2) Diagrammatic representation (Function block)
DN_SLAVERW
REQ
DONE
CH
ERR
UNIT
STATUS
SLOT
READ_DT
N_RPOL
N_WPOL
WRITE_DT
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. READ_DT Data structural Input data from
N_RPOL UINT type No. of polling input
words
type slave device
N_WPOL UINT type No. of polling output
words
WRITE_DT Data structural
type
Output data to slave
device