EUTECH INSTRUMENTS ALPHA COND 200 - REV 3 Manuel d'instructions télécharger pdf (Page 23)

Operating Instructions αlpha-CON1000

7.4.2 Choosing the controller type (limit or proportional)

This mode lets you choose your controller type: limit control, pulse length proportional control, pulse

frequency proportional control, or control off.

- Use limit control with pumps or values for fast response.

- Use pulse frequency proportional control to operate your pumps smoothly

- Use pulse length proportional control for precise control of proportional valves.

- Use control off to operate controller as a monitor only or to prevent relays from switching.

1) Follow directions in 7.4.1 to enter Controller mode.

2) Press the ENTER key. The upper display shows the current controller type and the lower display

shows “tyP”.

3) Press the ▲ or ▼ keys to select your controller type.

- L.Ct = limit value pickup (on/off control).

- oFF = controller off.

- PLC= pulse length control

- PFC= pulse frequency control

4) Press the ENTER key to confirm your selection.

5) Proceed to 7.4.3, or return to Measurement mode by pressing the ▲ and ▼ keys simultaneously

(escape).

7.4.3 Choosing Break/Make Contact Relay Type

Note: If the controller type “oFF” is set, the parameters listed in 7.4.3, 7.4.4, and 7.4.5 are blanked out.

This mode lets you determine the relay-state under Non-Alarm condition – dEEN (de-energised) or EN

(energised).

1) Follow directions in 7.4.1 to enter Controller mode.

2) Press the ENTER key. Scroll until the lower display shows “rEL” and

the upper display shows the current selection (de-energised = dEEN

or energised = EN).

3) Press the ▲ or ▼ keys to choose de-energised or energised relay

state.

4) Press the ENTER key to confirm your selection.

5) Continue with Advanced Set-up mode procedures, or return to

Measurement mode by pressing the ▲ and ▼ keys simultaneously

(escape).

HOLD

SETUP

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EUTECH INSTRUMENTS ALPHA COND 200 - REV 3 Manuel d'instructions Page 23