ProMinent DULCOMETER D1CA - Page 14

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Probe input via
SN6 socket (X2.12 ... X2.9): Input resistance: 10
12
Ω
Other data same as for “Probe input via terminals”
Standard signal input
(all measured variables)
(X2.12 ... X2.9): Input range: 0/4…20 mA (programmable)
Input resistance: 50 Ω
Accuracy: 0.5 % of input range
Resolution: 0.014/0.012 mA
Supply voltage and current for external electronics:
19 V ±1.5 V, 20 mA
Conductivity input via
terminals (X2.12 ... X2.9): 2 electrode measuring cells via 2-conductors
2 electrode measuring cells via 4-conductors
4 electrode measuring cells via 4-conductors
Measuring range: 20, 200, 2000 µS/cm
20, 200 µS/cm
Measuring span: 1 : 100
Cell constant: 0.006…12.0 cm
-1
depending on measuring range
Probe activation: Sinusoidal 56 Hz or 2.7 kHz
depending on measuring range
Pt 100 input (X2.8, X2.7): Input range: 0 °C…100 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C
Frequency outputs
(2 reed relays)
for pump activation
(X2.6, X2.5 and X2.4, X2.3): Type of contact: n/o contact noise-suppressed with Varistors
Load capacity: 25 V peak, 0.100 A switching current
Contact lifespan: >50 x 10
6
switching operations at
contact load 10 V, 10 mA
Max. frequency: 8.33 Hz (500 strokes/min)
Closing time: 100 ms
Standard signal output mA
(X2.2, X2.1): Galvanically isolated from remaining inputs and outputs
Insulation voltage: 500 V
Output range: 0/4...20 mA (programmable)
Max. load: 600 Ω current output 1
400 Ω current output 2
Accuracy: 0.5 % of output range referred to
displayed value
Technical Data