PPI Zenex Plus, User Manual, Page: 6 / 27

4
Zenex Plus User Manual
The Controller provides programmable Low & High deviation
limits around the temperature control setpoint to monitor Alarm
conditions. The screen shows either Normal or Low or High
Status, as shown in Figure 2.5 (a) depending upon the
deviation of measured temperature value from the control
setpoint and set limits.
The Controller provides a Digital Input for interfacing Door
switch that senses the door position, Open or Close. The
screen indicates the door status as shown in Figure 2.5 (b).
Door
Open
Door
Close
Door Status
Figure 2.5 (b)
Figure 2.5 (a)
Temp
Normal
Temperature Alarm Status
Within
Limits
Below
Low Limit
Above
High Limit
Temp
Low
Temp
High