LS Industrial Systems GLOFA G7M-DR20U/DC - Page 247

Chapter 8. Communication Functions
8-21
6) Monitoring execution (Y##)
(1) Introduction
This is a function that carries out the reading of the variable registered by monitor register. This also specifies a
registered number and carries out reading of the variable registered by the number.
(2) PC request format
Format name Header Station No. Command
Registration No. Tail Frame check
Frame (Ex.) ENQ H10 Y(y) H09 EOT BCC
ASCII value H05 H3130 H59(79) H3039 H03
Item Description
Register No.
Register No. uses the same number registered during monitor register for monitor execution. It is
possible to set from 00-09(H00-H09).
BCC
When the command is lower case(y), only one lower byte of the value resulted by adding 1 byte
each to the ASCII values from ENQ to EOT is converted into ASCII, and then added to BCC.
(3) GM7U main unit response format (ACK response)
① In case that the register format of register no. is the Individual reading of device
Format
name
Header
Station
No.
Command
Registration
No.
Number
of Blocks
Number
of data
Data Tail
Frame
check
Frame ACK H10 Y(y) H09 H01 H04 H9183AABB ETX BCC
ASCII
value
H06 H3130 H59(79) H3039 H3031
H3034 H3931383341414242 H03
② In case that the register format of register no. is the continuous reading of device
Format
name
Header
Station
No.
Command
Registration
No.
Number of
data
Data Tail
Frame
check
Frame ACK H10 Y(y) H09 H04 H9183AABB ETX BCC
ASCII
value
H06 H3130 H59(79) H3039 H3034 H3931383341414242 H03