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Reference Manual
00809-0100-4052, Rev AA
Section 3: Host Integration
April 2015
Host Integration
Offset: This value is added to the data value for the purpose of scaling integers. Offset is only
required if scaled is chosen on the Modbus communications page and globe gain and offset is
not chosen.
Predefined Modbus registers
In addition to user configurable parameters, the Gateway also supports a list of predefined
Modbus registers with diagnostics and test parameters. The following table is a list of the
predefined Modbus registers.
Table 3-2. Predefined Modbus Registers with Diagnostics and Test Parameters
Description Register Data type
Current Year (1) 49001 32-bit int
Current Month (1) 49002 32-bit int
Current Day (1) 49003 32-bit int
Current Hour (1) 49004 32-bit int
Current Minute (1) 49005 32-bit int
Current Second (1) 49006 32-bit int
Messages Received 49007 32-bit int
Corrupt Messages Received 49008 32-bit int
Messages Sent With Exception 49009 32-bit int
Messages Sent Count 49010 32-bit int
Valid Messages Ignored 49011 32-bit int
Constant Float 12345.0 49012 32 float
SYSTEM_DIAG.HART_DEVICES 49014 32-bit int
SYSTEM_DIAG.ADDITIONAL_STATUS_0 49015 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_1 49016 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_2 49017 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_3 49018 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_4 49019 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_5 49020 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_6 49021 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_7 49022 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_8 49023 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_9 49024 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_10 49025 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_11 49026 8-bit unsigned int
SYSTEM_DIAG.ADDITIONAL_STATUS_12 49027 8-bit unsigned int
SYSTEM_DIAG.UNREACHABLE 49028 32-bit int
SYSTEM_DIAG.UPTIME 49029 32-bit int
SYSTEM_DIAG.TEST_BOOLEAN 49031 Boolean
SYSTEM_DIAG.TEST_BYTE 49032 8-bit int
SYSTEM_DIAG.TEST_UNSIGNED_BYTE 49033 8-bit unsigned int
SYSTEM_DIAG.TEST_SHORT 49034 16-bit int
SYSTEM_DIAG.TEST_UNSIGNED_SHORT 49035 16-bit unsigned int
SYSTEM_DIAG.TEST_INT 49036 32-bit int
SYSTEM_DIAG.TEST_UNSIGNED_INT 49038 32-bit unsigned int
SYSTEM_DIAG.TEST_FLOAT 49040 32-bit float