Mitsubishi Electric MELSEC IQ-R series Reference Manual page 109

■Number of word access points, number of double word access points
Specify the number of device points to be written within the following range. (Page 72 Access points)
Access target
MELSEC iQ-R series module (subcommand: 0000)
MELSEC-Q/L series module (subcommand: 0000)
MELSEC iQ-R series module (subcommand: 0002, 008)
MELSEC-Q/L series module (subcommand: 0080)
MELSEC-QnA series module
Module on other station via MELSEC-QnA series network module
MELSEC-A series module
The number of point is specified in the following units depending on device type.
Device type
Bit device
Word device, double word device
■Device
Specify a device to be written. (Page 67 Devices)
Set the head device number with a multiple of 16 for bit device access of MELSEC-A series module.
■Write data
Specify the values to be written to device. (Page 74 Read data, write data)
Specify the write data in hexadecimal.
Specify 'Device' and 'Write data' with number of points which are specified in 'Number of word access points'
and 'Number of double word access points'. When the access point is set to '0', the specification is not
required.
Communication example
Write values to devices as follows. (Subcommand: for MELSEC-Q/L series)
Item
Word access
Double word access
Number of word access points Number of word access points
16-point units
1 word units
Device to be written
D0, D1, M100 to M115, X20 to X2F
D1500 to D1501, Y160 to Y17F, M1111 to M1142
Range
1  (Number of word access points  12) + (Number of double word access
points  14)  1920 points
1  (Number of word access points  12) + (Number of double word access
points  14)  960 points
1  Number of word access points  10 points
32-point units
2 word units
8.3 Random Read and Write
8 DEVICE ACCESS
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