4.2 Level 1 Operator Parameters

A minimal list of parameters is available in Operator Level 1 which is designed for day to day use. Access to these parameters is not protected by a pass code.

 

Press to step through the list of available parameters. The mnemonic of the parameter is shown in the lower display of 816 and centre display of 808 and 804.

 

The value of the parameter is shown in the upper display. Press or to adjust this value. If no key is pressed for 30 seconds the controller returns to the HOME display.

 

The following table shows a complete list of parameters which could appear in Operator Level 1 but the actual parameters depend upon the functions configured.

 

Parameter Mnemonic

Description and Alterability

Further Information

oP *

Output power.

This is read only when the controller is in ‘Auto’ or ‘OFF’ mode and shows the current output power demand. In a temperature control application, 100% = full heating, -100% = full cooling.

When the controller is in ‘Manual’ mode the output power demand can be adjusted using or .

Section 4.9. ‘Auto/Manual/Off mode’.

SP *

Current setpoint.

This is read only when the controller is in ‘Manual’ or ‘OFF’ mode.

Ac.AL

Alarm acknowledge - Yes or no.

This parameter only appears if a latching alarm is configured and the button is not configured for Ac.AL.

By default the button is configured for Alarm Acknowledge so Ac.AL does not appear in this list.

Section 4.3.5 ‘Alarm Latching’.

t.St

Status of timer - Run, Reset, Hold, End.

This parameter only appears if the timer function is configured.

Section 4.11 ‘Timer Operation’.

SP1 *

Setpoint 1 value. Press or to raise or lower setpoint 1.

SP2 *

Setpoint 2 value. Press or to raise or lower setpoint 2.

t.eL

Time elapsed. Hours or minutes depending on configuration.

This parameter only appears if the timer function is configured. It is read only.

‘P’ Code P42

t.rE

Time remaining. Hours or minutes depending on configuration.

This parameter only appears if the timer function is configured.

The time may be extended or reduced when the timer is running by pressing or .

‘P’ Code P42

e.par

Energy counter partial value

This parameter is read only and is intended to measure energy usage for specific batches.

It is also possible to configure the second or third line of the display to read this value

‘P’ Code P74

e.tot

Energy counter total value

This parameter is read only and is intended to measure energy usage for a complete process which might consist of a number of batches.

It is also possible to configure the second or third line of the display to read this value

‘P’ Code P75

Note: E.Par and E.tot can be reset using the parameter E.rSt. This is normally available in Operator Level 2 (section 4.6.2).

 

Alternatively, it is possible to customise pushbuttons F1, F2 or to display E.rSt.

‘P’ Codes P71, P72 or P73.

* Default parameters shown in the standard controller.

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P codes are found in section 5.2.