ProMinent DULCOMETER D1C A D Series, Operating Instructions Manual, Page: 18 / 24

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Possible values
Initial value Increment Lower value Upper value Remarks
Type of limit transgression upper Limit transgression when
Limit 1: lower lower exceeding or dropping below value
Limit 2: upper off* *only with limit relay
Limit value Limit 1: 500 mV 1 mV -2000 mV 2000 mV
Limit 2: 1000 mV 1 mV -2000 mV 2000 mV
Hysteresis limits 10 mV 1 mV 10 mV 2000 mV Effective in direction of cancelling
limit transgression
Checkout time limits off 1 s 1 s 9999 s Results in message and alarm.
off = 0 s:
Function switched off,
no message, no alarm
Control on on
off
Actuating direction active closed active closed Reacts as make contact
limit value 1; active open Reacts as break contact
limit value 2
Switch-on delay ∆ t on 0 s 1 s 0 s 9999 s
Switch-off delay ∆ t off 0 s 1 s 0 s 9999 s
Complete Operating Menu / Description
Limits
D1C2-024-Redox-GB
relay 2 LV2
- active closed
∆
t on 0 s
∆
t off 0 s
Access to all setting menus can be blocked with an access code !
limits
setting ?
relay 1 LV 1
- active closed
∆
t on 0 s
∆
t off 0 s
limit 2 upper
800 mV
limit 1 lower
100 mV
hysteresis
limits:
10 mV
∆ t on: off
control: on
If the limit is exceeded for longer than the “Delay time - limit values”, an error message is given which
must be acknowledged, and the alarm relay circuit is broken. If “Control” is also set to “off” the control
process stops.
BA_DM_183_10_10_EN.p65 28.10.2010, 11:44 Uhr 18