Delta DVP-EX2

3. Instruction Set
3-383
Register
Data
Description
D3000 Low byte
‘0’
30 H
ADR 1
D3000 High byte
‘1’
31 H
ADR 0
D3001 Low byte
‘1’
31 H
CMD 1
D3001 High byte
‘7’
37 H
CMD 0
D3002 Low byte
‘0’
30 H
Number of data (bytes)
D3002 High byte
‘4’
34 H
D3003 Low byte
‘0’
30 H
Contents of the address 1100H
D3003 High byte
‘1’
31 H
D3004 Low byte
‘0’
30 H
D3004 High byte
‘0’
30 H
D3005 Low byte
‘1’
31 H
Contents of the address 1101H
D3005 High byte
‘7’
37 H
D3006 Low byte
‘6’
36H
D3006 High byte
‘6’
36H
D3007 Low byte
‘6’
36H
LRC CHK 1
D3007 High byte
‘6’
36H
LRC CHK 0
• RTU Mode (M1143=ON)
When X0=ON, MODRW executes the function specified by the function ode H17.
PLC-A PLC-B,PLC-A sends: “01 17 1100 0002 1000 0002 04 1770 0012 A702”
PLC-BPLC-A, PLC-A receives: “01 17 04 0100 1766 7701”
Registers in PLC-A for received data (responding messages)
Register
Data
Description
D3000 Low byte
01 H
Address
D3001 Low byte
17 H
Function
D3002 Low byte
04 H
Number of data (bytes)
D3003 Low byte
01 H
Contents of the address 1100H
D3004 Low byte
00 H
D3005 Low byte
17 H
Contents of the address 1101H
D3006 Low byte
66 H
D3007 Low byte
77 H
CRC CHK Low
D3008 Low byte
01 H
CRC CHK High