EUTECH INSTRUMENTS ALPHA DO 1000 DISSOLVED OXYGEN CONTROLLERTRANSMITTER Manual de Instruções Página 20

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7.4.3 Choosing break/make contact relay type
Note: If the controller type “oFF” is set, the parameters listed in 7.5.3, 7.5.4, 7.5.5 and 7.5.6 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 7.6.2 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).
7.5 Measurement Range sub-function
In this sub-function, the appropriate range is selected with the appropriate cell constant.
7.5.1 Selecting the Measuring Range sub-function
1) Enter Advanced Set-up mode. Push the ENTER key and scroll to
Advanced Set-up security code “22”. Push the ENTER key again.
2) Press the or keys to scroll until the upper display shows
rng”.
3) Press the ENTER key. The upper display shows the maximum
measurement range, while the lower display shows the Cell constant. In
the lower left-corner of the LCD, the number corresponding to the
respective range is displayed.
4) Press the or keys to select the correct range. (Please refer to
Appendix 2 for the full list of measurement ranges).
5) Proceed to 7.8 to set current output or return to Measurement mode by pressing the and
keys simultaneously (escape).
dEEndEEn
rELrEL
HOLD SETUP
EnEn
rELrEL
HOLD SETUP
rngrng
HOLD SETUP
200200..00
0.10.1
HOLD SETUP
4
µ
S
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