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Teledyne API Model 465L O
3
Monitor Operation Manual
05509F DCN6409 59
8.5. Ethernet Configuration
Ethernet is commonly used for factory automation busses with a computer or PLC acting as a
master. The communications protocol used for the Ethernet configuration is MODBUS TCP/IP.
For details on the MODBUS TCP/IP specification, please see http://www.modbus.org/.
A Windows software application, DeviceInstaller, is available for configuring the Ethernet
module used in the M465L. This application is available for download here:
http://www.teledyne-api.com/software/
8.5.1. Hardware Setup for Configuring the Ethernet Module
To make the first-time configuration of the Ethernet module as easy as possible, the module
comes from the factory with DHCP enabled. The M465L can simply be plugged into a network
with a DHCP server and an IP Address should be automatically assigned to, and stored in, the
device.
A simple network can easily be constructed for this purpose by using a small broadband router
commonly used for home networks. The M465L and a PC can then be connected to the router
and the router’s DHCP server will assign IP Addresses to both the PC and the M465L, enabling
them to communicate.
8.5.2. Verifying Network Hardware Connection
With the M465L connected to a network and powered up, check the status of the two leds on the
Ethernet connector on the rear panel. The left-hand LED should be lit; either amber or green
indicating link status and the right-hand led should blink periodically, indicating activity on the
network. See Table 8-5 below for more details on the status LED’s.
If neither of the LED’s are lit, then the Ethernet module may not be powered up or the
instrument may not be connected to a valid network. Check the COM port configuration per
Section 8.2 and make sure that it is set to “Ethernet.”
Table 8-5: Ethernet LED Definitions
Link LED (Left Side) Activity LED (Right Side)
Color Meaning Color Meaning
Off No Link Off No Activity
Amber 10 Mbps Connection Amber Half-Duplex
Green 100 Mbps Connection Green Full-Duplex