Instruction Manual
Tek-LCD 7801C
www.tek-trol.com
Technology Solutions
68
6.51
Setup Modbus Output (Server)
•
The Modbus output is a standard Tek-LCD 7801C feature; this is additional to the
predetermined Modbus table provided, see Modbus Register Tables.
•
The Modbus Output menu allows assigning up to 99 Modbus register sets (1 to 4) to output
any of the values available in the system (e.g. PV channels, Totals, Relay Runtime, etc.) and
selecting the desired data type from bit-logic to float 64.
•
The function code is 0x03 and the registers are base
-
1 (e.g. Reg. Address 4400 = Reg. Number
44401).
o
Edit the Modbus Output tag
o
Select the source for the output
o
Select the data type
o
The register number is assigned by the system
o
Engineering units
o
Number of decimals
o
Output Action
•
Select the input to be used for the Modbus Output, additional Inputs not shown below: mA
Input, Digital Output.
•
Select the data type.
•
The register number is provided for each data type.
