Operating instructions digital indicator di15, Point of comparison – WIKA DI15 User Manual

Page 28

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Operating Instructions Digital Indicator DI15

V1.3

02/2011

- 28 -

Display range:

(voltage-, current and frequency-measurement)
-1999 ... 9999 Digit, initial value, terminal value and decimal point position arbitrary.
Recommended range: < 2000 Digit

Accuracy:

(at nominal temperature)

Standard-signals:

< 0.2% FS ±1 Digit (with 0 ... 50mV: < 0.3% FS ±1Digit)

RTD:

< 0.5% FS ±1 Digit

Thermocouples:

< 0.3% FS ±1 Digit (with Type S: < 0.5% FS ±1Digit)

Frequency:

< 0.2% FS ±1 Digit

Point of comparison

:

±1°C ±1 Digit

(at nominal temperature)

Temperature drift: < 0.01% FS / K (from Pt100 – 0.1°C: < 0.015% FS / K)

Measuring freq.:

approx. 100 readings / sec. (standard-signal) resp.
approx. 4 readings / sec. (temperature-measurement) resp.
approx. 4 readings / sec. (frequency, rpm at f > 4 Hz) resp. accordingly f (at f < 4 Hz)

Outputs:

2 switching outputs, not electrically isolated,

Output type:

selectable: low-side, high-side or push-pull

Connection specs.: low-side: 28V/1A; high-side: Ub/200mA

Response Time:

< 20 msec.

for standard signals

< 0.3 sec.

for temperature, frequency (f > 4 Hz)

Output-functions:

2-point, 3-point, 2-point with alarm, min-/max-alarm common or individual.

Switching points:

arbitrary

Display:

approx. 10 mm height, 4-digit red LED-display

Handling:

3 push-buttons, accessible after dismounting of the front panel or via interface

Interface:

EASY

BUS

-interface, electrically isolated

Power supply:

9 to 28 V DC

Current drain:

max. 30 mA (without switching output)

Nominal temp.: 25°C

Operating ambient: -20

to

+50°C

Relative Humidity:

0 to 80% r.H. (non condensing)

Storing temp.: -30

to

+70°C

Enclosure:

main housing:

fibre-glass-reinforced noryl

front view-panel: polycarbonat

Dimensions:

24 x 48 mm (front-panel admeasurement).

Installation depth: approx. 65 mm (incl. Screw-in/plug-in clamps)

Panel Mounting:

via VA-spring-clip.

Panel thickness:

available from 1 to approx. 10 mm.

Panel cut-out:

21.7+0.5 x 45+0.5 mm (H x W)

Connection:

via screw-in/plug-in clamps: 2-pol. for the interface and 9-pol for the other connections
Conductor cross-selection from 0.14 to 1.5 mm².

Protection class:

front IP54, with additional o-rings IP65

EMC:

2004/108/EC, EN 61326, Emission (Group 1, Class B) and Immunity (industrial loca-
tions), additional errors: < 1% FS
In case of connecting cable/lines longer than 30 m or in case of cable/lines leaving the
building an additional overvoltage protection shall be provided.

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