App. - 46 App. - 46
MELSEC-Q
APPENDIX
Appendix 9.8 When performing initial setting
The following program example performs initial setting using the REMTO instruction.
Execute this program when changing the default values of the Q series C24 buffer
memory.
Refer to Chapter 8 when changing the default values of the Q series C24 buffer
memory using GX Configurator-SC.
(1) Program conditions
The following program performs initial setting on the CH1 side when the initial
setting command (X1027) turns ON.
(a) Devices used
:
โข Initial setting command........................................................... X1027
โข Initial setting command pulse signal ...................................... M10
โข Initial setting command 2........................................................ M11
โข Initial setting command 3........................................................ M12
โข Completion device for REMTO instruction............................. M100 to105
โข Normal/abnormal completion flag for REMTO instruction..... M200 to 203
โข Word/byte units designation................................................... D0
โข Buffer memory head address designation for on-demand
transmission............................................................................ D1
โข Buffer memory length designation for on-demand
transmission............................................................................ D2
โข Transmission buffer memory head address designation ...... D3
โข Transmission buffer memory length designation................... D4
โข Receive buffer memory head address designation............... D5
โข Receive buffer memory length designation ........................... D6
(b) Buffer memory settings used in this example
Address Decimal (Hexadecimal)
CH1
Name
Setting
value
150 (96
H
) Word/byte units designation Byte units
160 (A0
H
)
Buffer memory head address designation for on-demand function
designation
0400
H
161 (A1
H
) Data length designation for on-demand function designation 0000
H
162 (B2
H
) Transmission buffer memory head address designation 0C00
H
163 (A3
H
) Transmission buffer memory length designation 0400
H
166 (A6
H
) Receive buffer memory head address designation 0600
H
167 (A7
H
) Receive buffer memory length designation 0200
H