HMS Networks Anybus Communicator ABC3028 User Manual page 56

Modbus tcp to modbus rtu/serial
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Communicator Configuration
Checksum
Name: You can name the Frame Field to make it easier to identify.
Checksum type: Specify the algorithm used to calculate the checksum. Select CRC (CRC-16-
IBM) (Default), LRC (ISO 1155:1978), XOR or ADD.
Start offset: Specify the offset from where to start the checksum calculation. Enter a value
between 0 (Default) and 511.
Error check type: Specify how the checksum is converted. Select None (Default), One's
complement or Select None, Two's complement.
Representation: Specify how the checksum is represented. Select Binary (Default) or ASCII.
About Fixed field*
Yes, set here: The Value set here is fixed and cannot be changed when the transaction is
used on a node. The value must be updated in the transaction template.
No, set when used: The Default value set here can be edited when the transaction is used
on a node. The allowed range is the min/max values.
Total size including delimiters:
High Level Network: 1 byte(s)
Subnetwork: 1 byte(s)
4.
Repeat step 1 to 3 until you have configured all the desired frame fields.
Apply configuration
5.
To apply the settings, click Apply in the web-interface header, and follow the instructions.
®
Anybus
Communicator
User Manual
54 (124)
SCM-1202-162 1.1 en-US

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