TP-6714 4/1098 Section 6 Communications
6.3.1 Serial Communication
Set the following communication parameters for serial
communication. Also see Figure 6-7.
Baud Rate. Required for serial connections. The baud
rate must match the baud rate of the connected PC.
Modbus Server. Enable the serial port for Modbus
communication.
Modbus Addr. Assign a unique address between 001
and 247 to the serial port.
6.3.2 Ethernet Communication
Work with your local network administrator to set the
following communication parameters for ethernet
communication. Also see Figure 6-7.
Modbus Server TCP. Enable TCP if the transfer switch
is connected to a network for TCP/IP communication
(for example, ethernet communication).
Modbus Address. Assign a unique Modbus address to
each device on the network. Monitor III software
requires a unique Modbus address to identify the
controller. Record the address to enter into Monitor III
software.
Modbus TCP Unit ID. A unit ID is required for Modbus
over TCP communication. The unit ID for TCP
communication is analogous to the Modbus address for
serial communication through the RS-485 ports.
IP Address and Subnet Mask. The transfer switch
may have a default IP address assigned at the factory.
Change the IP address to an address owned by the
user. Obtain an IP address and subnet mask
information from the local network administrator.
MAC address. The MAC hardware address is
factory-set. It can be seen in the View>Communications
Setup screens but not viewed or changed in the setup
menus.
Settin
Ran
e
Needed for Connection Type:
Notes
Serial
Remote
Serial
(modem)
Ethernet
Modbus Server TCP Enabled or
Disabled
X Enable for network communication through the ethernet
port.
Modbus Server Enabled or
Disabled
X X Enable for Modbus communication through the serial port
on the main logic board. See Section 6.2.
Modbus Addr 001-247
default 1
X X Address for the RS-485 serial port (on the logic board).
Baud Rate 9600, 19200,
57600
X X Baud rate in bits per second for serial communication
between the controller and a personal computer’s COM
port.
Modbus TCP Unit ID — — — X Factory-set to 3. A unit ID is required for Modbus over
TCP communication. The unit ID for TCP communication
is analogous to the Modbus address for serial
communication through the RS-485 ports.
IP Address — — — X Obtain from your local network administrator. Every device
on the network must have a unique IP address.
Subnet Mask — — — X Obtain from your local network administrator.
MAC Address Factory-set — — X Hardware address, entered at the factory. Not adjustable.
Appears only in the Communications View screen.
Figure 6-7 Communication Parameters
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