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ICP DAS PMC/PMD Series User Manual
66
RTU Slave for connections to HMI or SCADA.
COM3/COM4
(RS-485)
:
Reserved for Modbus RTU
Master to connect Modbus RTU slave devices or for
Modbus RTU Slave to connect HMI or SCADA.
LAN
:
LAN connection is by default set for Modbus
TCP Slave to connect HMI or SCADA. It can also be
set for Modbus TCP Mater to connect Modbus TCP
devices.
PMD-2201
COM1/COM2
(RS-485)
:
Reserved for Modbus RTU
Master to connect Modbus RTU slave devices or for
Modbus RTU Slave to connect HMI or SCADA.
LAN
:
LAN connection is by default set for Modbus
TCP Slave to connect HMI or SCADA. It can also be
set for Modbus TCP Mater to connect Modbus TCP
devices.
PMD-4201
COM1/COM2
(RS-485)
:
Reserved for Modbus RTU
Master to connect Modbus RTU slave devices or for
Modbus RTU Slave to connect HMI or SCADA.
COM3
(RS-485
)
:
Reserved specifically for Modbus
RTU Slave for connections to HMI or SCADA.
LAN
:
LAN connection is by default set for Modbus
TCP Slave to connect HMI or SCADA. It can also be
set for Modbus TCP Mater to connect Modbus TCP
devices.
The following section will introduce how to set I/O interface for different
functions:
Connect to HMI or SCADA via COM Port
Figure6-22 :
Function setting to connect to HMI or SCADA
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