LSIS XGL-EFMT - Status Read Request (MMI -> PLC)

Chapter 8 Dedicated Communication
8-14
8.2.5 Status Read Request (MMI -> PLC)
(1) Introduction
This service allows the user to use information and status of PLC through communication.
(2) Computer Request format
Item
Size(byte)
Description
Instruction
2
h00B0 : Status Request
Data type
2
h0000 : Don’t Care
Reserved area
2
h0000 : Don’t Care
(3) Response format (ACK Response from PLC)
Item
Size(byte)
Description
Instruction
2
h00B1 : Status Response
Data type
2
h0000 : Don’t Care
Reserved area
2
h0000 : Don’t Care
Error status
2
Normal if it is 0, abnormal if not 0.
Reserved area
2
h0000 : Don’t Care
Data size
2
h0018
data
24
Status Data
(4) Data structure of XGT status
Item
Size
(byte)
Byte
position
Description
Slot Info 4 0
Slot information
Bit00~Bit03: Local’s slot information remotely connected with other station.
Bit04~Bit07: Local’s base information remotely connected with other station.
Bit08~Bit11: Other station’s slot information remotely connected.
Bit12~Bit15: Other station’s base information remotely connected.
Bit16~Bit19: Slot information this module is installed on.
Bit20~Bit23: Base information this module is installed on.
Bit24~Bit31: Reserved
_CPU_TYPE
2
4
System type : Flag
_PADT_CNF
2
6
XG5000 connection status : Flag
_SYS_STATE
4
8
PLC mode and operation status : Flag
_CNF_ER
4
12
System error (serious) : Flag
_CNF_WAR
4
16
System warning : Flag
_VER_NUM
2
20
OS version No. : Flag
Reserved
2
22
Reserved area
* Refer to Description of flags below for more details on respective items.