3 Description of functions
3-65
• Subcommand
*1: Use subcommand 008 if accessing a link direct device, module access device, or CPU buffer memory
access device. When the subcommand is set to 008, the message format will differ. (Reading, writing by
specifying device extension)
• Number of word access devices, number of double-word access devices
Specify the number of devices to be read with 1 byte (binary code) or 2 bytes (2 digits) (ASCII code).
word access
Specify the number of devices for 1 word access.
The applicable units are 16-bit units for bit devices,
and 1-word units for word devices.
double-word access
Specify the number of devices for 2 word access.
The applicable units are 32-bit units for bit devices,
and 2-word units for word devices.
word access
Specify the number of devices for 1 word access.
The applicable units are 16-bit units for bit devices,
and 1-word units for word devices.
double-word access
Specify the number of devices for 2 word access.
The applicable units are 32-bit units for bit devices,
and 2-word units for word devices.