37
ATSEL HMI User Manual
One panel connects with multi-devices
F
unction introduction
One screen multi-devices (extension mode): HMI as a master device, communicates
with multiple slaves, when using the extended mode, the configuration address of HMI
needs to be distinguished the slave number by # (Slave1: 1#, slave2: 2#).
Minimum communication combination
1. HMI
(
master
)
+PLC
(
slave1
)
+PLC
(
slave2
)
2. HMI
(
master
)
+PLC
(
slave1
)
+HMI
(
slave2
)
3. HMI
(
master
)
+HMI
(
slave1
)
+HMI
(
slave2
)
Communication protocol which extension mode supported: PPI, MPI, MODBUS.
Parameter settings at extension mode: baud rate, slave number, data bits, parity bits
and other system parameters.
Master HMI number is not recommended to be broadcast address or same as the slave
number, which cause the communication failure.
Example
One panel with multi-devices
(
PPI
)
:
On ATSEL double-click to open communication port settings of Link1, and change
the address mode at extended mode and save it in parameter interface.
Add corresponding components of two PLC slave address at screen,1# is PLC
Slave1, 2# is PLC slave2