Omron DRT1 Series - Page 273

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C200H I/O Link Units Section 6-1
Reading Data from a Slave With the following program, 10 words (20 bytes) of data is read from DM 1000
of the Slave (PLC to which C200H I/O Link Unit is mounted) when IR 00000
turns ON in the CPU Unit of the Master Unit. The data that is read is stored in
the response storage words DM 0104 to DM 0113.
Ladder Program
C200HW-DRM21-V1 Master Unit
(node address 00, unit number 0)
T-branch Tap
Terminating Resistor
T-branch Tap
Terminating Resistor
T-branch Tap
C200HX PLC
C200HW-DRT21 I/O Link Unit
(node address 07)
24-V DC power supply
Clears the response storage words (DM 0100 to
DM 0113) when the program starts or data reading
starts.
Response storage word: DM 0100
(82 Hex: DM; 0064 Hex: word 100; 00 Hex: Word data)
Response monitoring time: 10 s
Number of command data bytes: 12 bytes
EXPLICIT MESSAGE SEND command code (FINS):
2801 Hex
Slave node address: 07
BYTE DATA READ command service code: 1C Hex
BSET (71)
#0000
DM0100
DM0113
MOV (21)
#8200
DM0000
MOV (21)
#6400
DM0001
MOV (21)
#0064
DM0002
MOV (21)
#000B
DM0003
MOV (21)
#071C
DM0005
00001
25315
25315
MOV (21)
#2801
DM0004