The data that is provided on the Modbus Communication Link has the same scaling as the source data link. The PL1000E Communication ECM provides parameter translations of Cat Data Link and J1939 data to Modbus. Modbus Parameter Translation Data Location and Formats The specific Modbus Registers in each application will vary depending on the configuration in the Parameter Translation Editor (PTE). Table 1 documents the Function Codes and the addressing ranges which are supported by the PL1000E. The PL1000E supports a subset of the common Modbus Function Codes that are used for data transfer. PL1000E Communication ECM Modbus Interface Overview
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