Omega DPF20 Series User Manual

7
DPF20 Frequency, rate, total or period counter Instruction Manual
Digits
number of digits 6
led 7 segments led
color red or green
digit height 14 mm
Reading
maximum reading 999999
minimum reading -199999
decimal point congurable X.X.X.X.X.X.
overrange / underrange congurable to ash, reset or preset (see
secon 1.19.16)
display refresh 15 readings / second
memory retenon yes, retains reading value in case of pow-
er loss
Signals accepted NPN, PNP, Namur, pick-up, TTL, induc-
ve, mechanical, quadrature, ...
Max. Vdc at input ±30 Vdc
Input impedance 2K4 with pull-up or pull-down resistor
470K without pull resistor
Accuracy of the quartz ±0.01 %
Thermal dri 20 ppm / ºC
Excitaon voltage congurable
output voltage +18 Vdc, +15 Vdc, +9 Vdc, +5 Vdc
maximum current 70 mA
protecon yes, current limited to 70 mA
Frequencies counter modes (see Table 3)
ratemeter modes (see Table 4)
periodmeter modes (see Table 5)
Power
power ‘H’ 85 to 265 Vac/dc
power ‘L’ 11 to 60 Vdc and 24/48 Vac
isolaon* 2500 Ve with power ‘H’
1500 Ve with power ‘L’
*tested for 60 sec.
consumpon <1.5 W only meter
<4.0 W meter with opons
Conguraon 3 buons front keypad
Front protecon IP65
Output and control opons relays, analog outputs, serial communi-
caons (see secon 2)
Mechanical
mounng panel
connecons plug-in screw terminal
housing material ABS, polycarbonate (V0)
weight <150 grams
front size 96 x 48 mm (1/8 DIN)
panel cut-out 92 x 44 mm
depth from panel 91 mm (including terminals)
Temperature
operaon from 0 to +50 ºC
storage from -20 to +70 ºC
warm-up me 15 minutes
Counter Mode Frequency Secon
Counter
‘FAST’ mode acve max. 250 KHz 1.19.2
normal mode max. 9 KHz 1.19.2
Counter + inhibion max. 9 KHz 1.19.4
Counter + control A/S max. 9 KHz 1.19.5
Counter dierenal max. 9 KHz 1.19.6
Counter
quadrature
mode x1 max. 17 KHz 1.19.3
mode x2 max. 16 KHz 1.19.3
mode x4 max. 11 KHz 1.19.3
Table 3 - Maximum input frequency for counter modes
Ratemeter Mode Frequency Secon
Ratemeter
normal mode
max. 500 KHz 1.19.7
‘SLOW’ mode ac-
ve
max. 200 Hz
min. 1 mHz
1.19.7
Ratemeter
quadrature
mode x1 max. 17 KHz 1.19.8
mode x2 max. 16 KHz 1.19.8
mode x4 max. 11 KHz 1.19.8
Table 4 - Maximum and minimum input frequency for ratemeter modes
Periodmeter Mode Frequency Secon
Periodmeter
normal mode
max. 500 KHz 1.19.9
‘SLOW’ mode ac-
ve
max. 200 Hz
min. 1 mHz
(1000 sec.)
1.19.9
Table 5 - Maximum and minimum input frequency for periodmeter modes
1.12 Mechanical dimensions (mm) (in)
1.11 Technical specicaons
44
92
Panel
cut-out
16
8
75
96
48
(1.89)
(3.78)
(0.63)
(0.31)(2.95)
(1.74)
(3.63)

Omega DPF20 Series Specifications

General

Brand	Omega
Model	DPF20 Series
Category	Measuring Instruments
Language	English