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D.4 Input/Output Data Area Batch Access Function Block
D
D.4 Input/Output Data Area Batch Access Function Block
(1) Definitions of Variables
(*===================================================
DeviceNet FB
Input/Output Data Area Batch Access
===================================================*Åj
VAR_INPUT
REQ:
BOOL; (*Execution request*)
CH:
WORD; (*Channel specify*)
UNIT:
WORD; (*Unit specify*)
SLOT:
WORD; (*Slot specify*)
N_RPOL:
UINT; (*Total number of polling input words to transfer*)
N_WPOL:
UINT; (*Total number of polling output words to transfer*)
WRITE_DT:
typeWRITEDAT; (*Output data*)
END_VAR
VAR_OUTPUT
DONE:
BOOL; (*Completion*)
ERR:
BOOL; (*Error*)
STATUS:
WORD; (*Status*)
READ_DT:
typeREADDAT; (*Input data*)
END_VAR
VAR_EXTERNAL
SW:
ARRAY[0...511] OF INT; (*SW register INT access*)
END_VAR
VAR
SLOTNO:
WORD; (*R/W slot number*)
TMP_CH:
WORD; (*R/W channel number*)
TMP_UNIT:
WORD; (*R/W unit number*)
TMP_CHUNIT:
WORD; (*R/W channel/slot numbers*)
S3:
BOOL; (*S3 selection*)
S2:
BOOL; (*S2 selection*)
STEP:
ARRAY [0...16] OF BOOL; (*Step*)
DEF1:
BOOL; (*Differential contact*)
DUMMY_R1:
BOOL; (*Dummy*)
ADR_RED1:
WORD; (*Extension memory address*)
DAT_RED1:
WORD; (*Transfer destination variable*)
NUM_RED1:
UINT; (*Number of words to transfer*)
COMP_RED1:
BOOL (*Completion*)
RUN:
BOOL; (*Run mode*)
SYN:
BOOL; (*Synchronous mode*)
BS:
BOOL; (*Bit strobe operating*)
POL:
BOOL; (*Polling operating*)
TMR1:
TON_100ms; (*Error detection*)
TIME1:
DINT; (*Error detection time*)
DUMMY_W1:
BOOL; (*Dummy*)