Watlow NAFEM Gateway - Manual (Page 42)

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Gateway Serial Point Entry
• Select Configuration, Gateway, Serial Point Entry, and Select Object Instance 1 to access this page.
Configure each serial point entry. A serial point entry represents a data point or parameter of the
device.
• Enter a Name to identify the data point. In this example it has been named Fryer Temp.
• Class is the location to copy the data to from the data point.
• Device is the index of the device where the data point resides.
• Scan Rate is the frequency to acquire this data point in milliseconds. This value is added to the
maximum scan rate. A value of 5000 would add five seconds of time to the scan.
• Receive Type should be set to Signed 16 bit for Modbus register from Watlow devices.
• User Type determines the formatting of the data point for your application.
• The Register is the data point with in the device, entered as an absolute register number. Add 40001
to relative register numbers to obtain the absolute register number. See the appropriate device user’s
manual for a list of Modbus registers.
• Register Size is the length in bytes that are returned from the register.
• Gain Multiplier and Gain Divider are used to scale the returned data point value.
• Offset is used to shift the returned data point value in a positive or negative direction.
Note: Click Submit to save changes. Reset will return these settings to the previous values if you have
not pressed the Submit button.
8117.2.1.2.1.1.2.1