Table 21 - Redundant Network Connections - Honeywell HC900 Installation And User Manual

Communications Installation - Connecting the HC900 Controller to a PC with the Designer Software
Step
1 Make sure the PC has 2 Ethernet NICs (Network Interface Cards) installed and enabled.
2 Connect Ethernet 10Base-T straight or crossover cables to the HC900 controller's E1 and E2 ports.
3 Connect the other end of the cables to the PC's Ethernet ports.
4 On the PC, use the Utilities Worksheet in the HC Designer software to connect to the controller over
Ethernet. Every HC900 C75 controller is shipped with the default IP addresses for port E1
192.168.1.254 and port E2 192.168.2.254. Default Subnet Mask is 255.255.255.0. You can use these
network parameters initially for testing or configuration use. In the Current PC to Controller
Connection Settings area of the dialog box, click on the Network button to bring up the Network Port
Properties dialog box and Add the default IP addresses. Be sure both PC Ethernet NICs have fixed
IP addresses on the same subnet as the controller (192.168.1.x and 192.168.2.x, where x= 2 to 253).
5 In the Current PC to Controller Connection Settings area of the dialog box, select Network for the
Port to be used and the default IP address for the Address. Click on Loopback to assure
communications between the PC and the controller. You may now use the Ethernet port for
configuration interface.
6 Consult your IT systems administrator for allocating IP addresses if this controller will require a
unique IP address within a plant network. Also ensure that the PC Network Interface Cards have an
IP address that allows access to the controller on the subnet after changing the controller's network
parameters.
7 You may change the controller's IP address and related network parameters from its default using
the Utilities Worksheet in the HC Designer software. This may be done using either the RS-232 serial
port (typically used) via a null modem cable connection or the Ethernet connection from the PC to the
controller. If the RS-232 connection is desired, make sure the proper PC serial Com port to be used
has been set up (See Direct Serial RS-232 Connection page 123).
Attention: IP addresses for E1 and E2 must be on different subnets.
8 Select the Set Controller's Network Parameters button. Using the wizard (bottom radio button),
select the PC port to be used, then set the controller's new network parameters including IP address,
Subnet Mask (if other than the default), and Default Gateway IP address (if required, otherwise use
default). Refer to the HC900 Designer Software User's Guide or its respective online help, Utilities
Worksheet - Set Controller's Network Parameters, for further details on this step.
Note: This step will require the controller to be placed temporarily in the Program mode. After the
new network parameters have been downloaded, the controller will conduct a Cold Start in its
transition to RUN. This will cause an initialization if there is a current configuration in the controller.
Note: Network communication will only occur with the Lead CPU. If using a single network connection
during initial setup, verify connection is made with the Lead CPU.
Revision 19
06/14
Table 21 – Redundant network connections
Procedure
HC900 Process Controller Installation and User Guide 137