LS ELECTRIC XGL-EFMF, Руководство пользователя, Страница: 231 / 364

Chapter 7 server service
7-4
5) Data
Item Contents
Reserved
area(2 Bytes)
0x0000: Ignore
Number of
blocks (2 bytes)
Single: It consists of [Variable] and [Variable Length] to be read and can be maximum 16.
Range is h’0001~ h’0010.
Continuous: Up to 1,400 bytes can be set for the number of bytes of data.
Variable
length(2 bytes)
It indicates the number of direct variable name characters and maximum 16 characters are
allowed.The value is h’0001 to h’0010
Data
address(Max.
16 bytes)
Only direct variable is available and input address of variable to read. ASCII value within 16
characters. Variable names are not allowed except numbers, uppercase and lowercase, '%',
'.'.
Error status 0 is normal, otherwise 0 is an error.
Length of
variable
In case of NAK response (error status), the lower byte shows error number.
In case of ACK response, it shows the number of variables.
Number of data The size in bytes.
Data Maximum read / write data size of 1400 bytes.