Xylem System 5000 User Manual - Manual (Page 40)

Quad Counter
Two Digital Input pins can be used together
for applications using a quadrature input.
Ports 1 and 2 or 3 and 4 can be used in
conjunction to simulate a quadrature
counter.
INPUTS
38
Counter Options
Allows the counter to be set to a certain
value or reset to zero.
Internal Temperature
The Internal Temperature Input measures
the temperature inside the System 5000
™
.
The temperature defaults to Celsius,
though can be altered with either the
Format option or by using a Custom
Function within the Math & Data Options.
Format
Defines the scale on which the
temperature measurement is based.
Modbus Master (Input)
Modbus Master can be utilized as both an Input and/or an Output.
Modbus Master Input enables the System 5000
™
to act as a Modbus Master on a Modbus
network. The Input retrieves an external Modbus Slave value according to the specified register
setup and selected Port. The Modbus Slave register’s value can be retrieved using the Test button in
the bottom left of the screen. If any errors occur (e.g. communication fails, requested
register address is out of range, etc) an “N/A” will be returned. Retrieved values can be modified
using the Math & Data Options.
More information regarding Modbus can be found in Chapter 8 of this manual.