Ultra Slimpak G468-0001 Signal isolator

Error/Status Pointer 1 to 4955 Starting register location in virtual Modbus database for the error/status table. If a value of -1 is entered, the error/status data will not be placed in the database. All other valid values determine the starting location of the data. This data area includes the module version information and all error/status data. M1 Write Size 0 to 4000 This parameter limits the M1 data transferred from the processor to the module. The module application automatically adjusts the size to an even 50-word boundary as this is the minimum data transfer size for the application. For example, a value of 199 would automatically be adjusted to 200. This feature improves the transfer of data from the processor to the module.

Failure Flag Count

This parameter specifies the number of successive transfer errors that must occur before halting communication on the application port(s). If the parameter is set to 0, the application port(s) will continue to operate under all conditions. If the value is set larger than 0 (1 to 65535), communications will cease if the specified number of failures occur.This parameter is used to determine if the output data for the module should be initialized with values from the processor. If the value is set to 0, the output data will be initialized to 0. If the value is set to 1, the data will be initialized with data from the processor. Use of this option requires associated ladder logic to pass the data from the processor to the module.

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 MVI46- MNETC 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.

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