Uda Communications Setup; Uda Ethernet Communications Setup; Overview; Table 3-1 Configurable Parameters - Honeywell UDA2182 User Manual

Communications card
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3.1 UDA Ethernet Communications Setup

3.1.1 Overview

The UDA provides the capability to use either a static IP address or a dynamically allocated IP address. A
dynamically allocated IP address requires a DHCP host to be present on the network which provides the
UDA with an IP address when it first connects to the link. In most cases, a static IP address will be used for
Modbus TCP because the client needs to know the actual IP of the UDA in order to communicate to it. If
DHCP is desired, the DHCP IP address should be permanently assigned to the MAC address of the UDA
communication card. The MAC address is visible from the front panel in the Communications Status Menu
and the "about" web page.
The Ethernet parameters can be set up using the UDA front-panel or the web pages. The PIE tool cannot be
used to setup the Ethernet parameters.
Parameter
IP Address
This is the address of the device on the Ethernet link. It is
made up of four bytes called octets and is identified in decimal
notation where each number represents a value from 0 to
255. If DHCP is used, this address gets automatically
assigned by the DHCP server.
Subnet Mask
The subnet mask defines the size of the subnet.
Default
The IP address of the device (router or switch) that provides
Gateway
access to another network. If the Modbus TCP client and the
UDA are on the same subnet, this address is not needed. It is
needed if e-mail and web pages are used. If DHCP is used,
this address gets automatically assigned by the DHCP server.
DNS Server
The IP address of the network's domain name server. This
address is needed when a domain name is used for the email
server. It is not used for Modbus TCP or web pages. If DHCP
is used, this address gets automatically assigned by the
DHCP server.
January 09

3. UDA Communications Setup

Table 3-1 Configurable Parameters

Description
UDA2182 Communications User Guide
UDA Communications Setup
Default value
192.168.1.254
255.255.255.0
1.0.0.0
1.0.0.0
5

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