Inter-Controller Transmission Variables (Stn_Data) - Toshiba LC531 Series Instruction Manual

Appendix E Details of Variables
E.5 Inter-controller Transmission Variables (STN_DATA)
Send area
Receive area
(Station 1)
Receive area
(Station 2)
Receive area
(Station i)
Receive area
(Station 31)
Receive area
(Station 32)
Healthy map
Ｅ
180
6F8C1388
Data can be exchanged among the LC53* connected on the Ethernet. This is
called inter-controller transmission.
The inter-controller transmission variable (STN_DATA) consists of send area,
receive area, and healthy map area. The send area is used to send data to
other controller. The receive area is used to receive data sent from other
controller. The healthy map area indicates that receive data is updated
normally.
The inter-controller transmission variables can be used by registering standard
variables in the controller variable (STN_DATA). The table below shows a list of

inter-controller transmission variables (STN_DATA).

Table E-17 Inter-controller Transmission Variables (STN_DATA)
Variables
Usage
(atom)
MW[0]
to
MW[63]
AW[0]
to
AW[63]
AW[64]
~
AW[127]
・ ・
・ ・
・ ・
AW[ｉ×64]
~
AW[((ｉ+1)×64)-1]
・ ・
・ ・
・ ・
AW[1920]
~
AW[1983]
AW[1984]
~
AW[2047]
BW[0].0~BW[0].15
area
BW[1].0~BW[1].15
BW[0]
BW[1]
Remark
• Station No corresponds to the least significant address (1-32) of IP address. Address (W)
indicates the offset address (in words) from the beginning of the STN_DATA area.
• Execution of inter-controller transmission is set in module parameters. For details, refer to
"Appendix F.1 Module Parameter Setting."
Address
(W)
0 Send area is fixed at the first 64W regardless of
Station No.
64 Receive area for data sent from Station 1
128 Receive area for data sent from Station 2
・
・
・
(Note) If the own station is Station i, this area is
ｉ×64
not used.
・
・
・
1984 Receive area for data sent from Station 31
2048 Receive area for data sent from Station 32
2112 Indicates that received status of station 0 to 15 in
bits.
2113 Indicates that received status of station 16 to 31
in bits.
2112 Indicates that received status of station 0 to 15 in
values (words).
2113 Indicates that received status of station 16 to 31
in values (words).
Description