Details Of The Programme; User Interface; Terminal Unit: Front Panel View With Front Door Closed; Silicone Rubber External Buttons - Carel pCO Series Application Program

Stage controller

Hide thumbs Also See for pCO Series:

User manual (84 pages)

Table Of Contents

Table of Contents

The programme allows full management of a refrigerator plant.

The characteristics of the system are as follows:

display and control of the measured quantities;

possible configuration of the number and type of control devices;

display of alarms actived by the LED display and their audible signals by means of a buzzer;

programming of the configuration parameters and of some operative parameters with access protected by a

password;

modification of the basic operation parameters (setpoints, differentials, alarm thresholds, timing);

LED display of the active functions;

print of the alarms picked up and, at intervals, the state of the main variables of the machine;

time band programming makes it possible to operate the devices controlled by the probe 1 from a second

setpoint (secondary) so as to save energy during the programmed hours and days;

connection with a supervisory/remote controlled maintenance serial line according to the RS422/RS485 standard

and the Carel's communication system.

Terminal unit: front panel view with front door closed

Bar

° C

° F

Silicone rubber external buttons

References Fig. 2

1. On/off button: turns on and off the unit. The green LED that lights up in the button shows the state of the

machine:

if the LED is Off the unit is Off;

the intermittent LED indicates that the unit has been turned off by a supervisor or a remote control through a

digital input;

if the LED is on the unit is On.

2. Alarm button: it is used to display the alarms, to reset them manually and silence the buzzer.

When the button lights up (red), at least one alarm has been detected.

3. The arrow pointing upwards sets the values of the control parameters (it does not light up), or to disable manul

procedure.

4. The arrow pointing downwards sets the values of the control parameters (it does not light up), or to disable

manual procedure.

5. Enter button: to scan the messages on the display. The button is continuously alight (yellow light) and indicates

that the current is On.