Panasonic FPS Series User Manual page 254

FPΣ User's Manual
System
Name
register
41 Link registers - Send/receive area - Number of words shared by all linked PLCs
44 Link registers - Send area - Start sending from this word address
45 Link registers - Send area - Number of words to send
Setting the highest station number
System
Name
register
47 Highest station number in network
Connection diagram for FPG-COM3
FPΣ
Bridge between E and (-)
1
Bridge the E terminal and the free (-) terminal on the first and on the last station of the
transmission line to terminate the data bus. (See "FPG-COM3: 1-Channel RS485 Type" on
page 160.)
Connection diagram for FPG-COM4
To terminate the data bus use the DIP switch on the cassette of the last station of the
transmission line.
FPΣ
SW1-1 must be ON
1
Set SW1-1 to ON on the first and on the last station of the transmission line to terminate the
data bus. (See "DIP Switch Setting on FPG-COM4" on page 162.)
Programming example
For each of the three stations, a PLC program is required. In order to have consistent data in
all stations, the common data should be kept in the GVL of a common library. This user library
must be loaded on each station:
FPΣ
Transmission line
2
FPΣ
Transmission line
2
FPΣ
FPΣ
8.7 PLC Link
Station settings
#1 #2 #3
128 128 128
0 40 80
40 40 48
Station settings
#1 #2 #3
3 3 3
FPΣ
237