Delta VFD-C2000 - Asynchronous Reading

VFD-C2000 PROFINET Communication Card CMC-PN01
CMC-PN01 Operation Manual
48
Asynchronous reading:
1. Open OB1 and Insert STL Network. Enter the commands below into STL Network, and then a
screen displays as shown in the figure below. Then, click OK button.
CALL "WRREC" , DB53
REQ :=M41.7
ID :=2042
INDEX :=16#4d2
LEN :=4
DONE :=M41.1
BUSY :=M41.2
ERROR :=M41.3
STATUS:=MD46
RECORD:=P#DB4.DBX 2.0 BYTE 4
CALL "RDREC" , DB52
REQ :=M31.7
ID :=2042
INDEX :=16#4d2
MLEN :=2
VALID :=M31.1
BUSY :=M31.2
ERROR :=M31.3
STATUS:=MD36
LEN :=MW34
RECORD:=P#DB3.DBX 2.0 BYTE 2