Static Arp Table - ProSoft Technology MVI56E-MNETC User Manual

MVI56E-MNETC/MNETCXT ♦ ControlLogix Platform
Modbus TCP/IP Client Enhanced Communication Module - Client/Server
Address calculation examples:

For bit-level Coil commands (FC 1, 5, or 15) to read or write a Coil 0X
address 00001, specify a value of 0 (00001 - 00001 = 0).

For Coil address 00115, specify 114
(00115 - 00001 = 114)

For register read or write commands (FC 3, 6, or 16) 4X range, for 40001,
specify a value of 0
(40001 - 40001 = 0).

For 01101, 11101, 31101 or 41101, specify a value of 1100.
(01101 - 00001 = 1100)
(11101 -10001 = 1100)
(31101 - 30001 = 1100)
(41101 - 40001 = 1100)
Note: If the documentation for a particular Modbus server device lists data addresses in
hexadecimal (base16) notation, you will need to convert the hexadecimal value to a decimal value
to enter in this parameter. In such cases, it is not usually necessary to subtract 1 from the
converted decimal number, as this addressing scheme typically uses the exact offset address
expressed as a hexadecimal number.
Comment
0 to 32 alphanumeric characters

2.1.9 Static ARP Table

The Static ARP Table defines a list of static IP addresses that the module will
use when an ARP (Address Resolution Protocol) is required. The module will
accept up to 40 static IP/MAC address data sets.
Use the Static ARP table to reduce the amount of network traffic by specifying IP
addresses and their associated MAC (hardware) addresses that the MVI56E-
MNETC/MNETCXT module will be communicating with regularly.
Important: If the device in the field is changed, this table must be updated to contain the new MAC
address for the device and downloaded to the module. If the MAC is not changed, no
communications with the module will be provided.
ProSoft Technology, Inc.
September 20, 2018
MVI56E-MNETC/MNETCXT Configuration
Page 51 of 172
User Manual