OMX 333UNI

OMX 333UNI

UNIVERSAL ISOLATED TRANSMITTER • UNI > U/I

The OMX 333 model series are simple DIN rail mountable programmable transmitters.
Type OMX 333UNI is a multifunctional transmitter with the possibility of 8 input configurations easily adjustable in the instrument´s menu.
The instrument is based on a single-chip microcontroller with a 16-bit A/D and D/A converter, which ensures good accuracy, stability and easy operation of the instrument.

  • multifunction input (DC, PM, RTD, T/C, DU)
  • output: 0…5/20 mA/4…20 mA
    0…2/5/10 V/±10 V
  • digital filters, tare, linearization
  • galvanic isolation: 2,5 kVAC
  • width 25 mm
  • DIN rail mounting
  • power supply 10…30 VDC/24 VAC

 

Projection
Signalizing LED
L1, L2
Limits L1, L2 (red)
Lo, Hi
Signalization, settings and errors (red/green)
Input
DC
Range
menu selectable
±90 mA
< 200 mV
Input 5
±90 mA
< 1 V
Input 5
±30 mV
> 10 MOhm
Input 3
±60 mV
> 10 MOhm
Input 3
±1000 mV
> 100 MOhm
Input 3
±20 V
1,25 MOhm
Input 1
±40 V
1,25 MOhm
Input 1
±80 V
1,25 MOhm
Input 1
PM
Range
menu selectable
±20 mA
< 200 mV
Input 5
4…20 mA
< 200 mV
Input 5
±2 V
1 MOhm
Input 1
±5 V
1 MOhm
Input 1
±10 V
1 MOhm
Input 1
OHM
Range
menu selectable
0…100 Ohm
0…300 Ohm
0…1,5 kOhm
0…3 kOhm
0…24 kOhm
Connection
2, 3 or 4-wire
RTD
Type
menu selectable
EU > 100/500/1 000 Ohm s 3 850 ppm/°C
-50°…450°C
RU > 50 Ohm s 3 910 ppm/°C
-200°…1 100°C
RU > 100 Ohm s 3 910 ppm/°C
-200°…450°C
US > 100 Ohm s 3 920 ppm/°C
-50°…450°C
Connection
2, 3 or 4-wire
Ni
Type
menu selectable
Ni 1 000/10 000 s 5 000 ppm/°C
-50°…250°C
Ni 1 000/10 000 s 6 180 ppm/°C
-50°…250°C
Connection
2, 3 or 4-wire
Cu
Type
menu selectable
Cu 50/100 with 4 260 ppm/°C
-50°…200°C
Cu 50/100 with 4 280 ppm/°C
-200°…200°C
Connection
2-, 3-, or 4-wire
DU
Potentiometer power supply
2,5 VDC/6 mA, potentiometer resistance > 500 Ohm
External inputs
Number
1 input, on contact
Functions
HOLD
Stopping measurement (option: Display - Analog output - Limits)
TARA
Tare activation
Settings
Control
The instrument is controlled and set by two buttons and a DIP switch on the front panel
OM Link
Company communication interface for operation, setting and update of device firmware
OM Link program is also designed for visualization and filing of meas. values from more instruments
Instrument accuracy and functionality
Temperature coefficient
50 ppm/°C
Accuracy
±0,15 % of range (for 20 measur./s)
Accuracy of cold junction measurement
±1,5°C
Rate
0,5…80 measur./s
Overload capacity
2x; 10x (t < 30 ms)
Wire compensation (RTD, OHM)
< 30 Ohm
Cold junction compensation
nastavitelná -20°…99°C, automatická
Linearization
linear interpolation in 25 points (only via OM Link)
Digital filters
exponential mean
from 2…100 measurements
rounding
setting projection step for display
Functions
Tare
designed to reset display on non-zero input signal
Watch-dog
reset after 500 ms
Calibration
at 25°C and 40 % r.h.
Comparators
Type
Digital, menu adjustable, contact connect. < 50 ms
Mode
Hysteresis
switch. point, hysteresis band "Mez ± 1/2 Hys." and time (0 ... 99.9 s) determ. switching delay
Ready
output switching signals perfect status
Error
output switching signals error status
Relay idle state
rozepnutý nebo sepnutý - nastavitelný v menu
Output
1x relay, switch on contact (250 VAC/30 VDC, 3A)
2x relay, switch on contact (250 VAC/30 VDC, 3 A)
1x open collector (30 VDC/100 mA)
2x open collector (30 VDC/100 mA)
Data outputs
Protocol
ASCII
Data format
8 bits + no parity + 1 stop bit (ASCII)
Rate
600…230 400 Baud
RS 485
izolovaná, adresace max. 31 přístrojů
Analogue outputs
Type
Isolated, programmable with a 16-bit D / A converter, type and range are menu selectable
Nonlinearity
±0,1 % of range
Temperature coefficient
15 ppm/°C
Rate
response to value change < 1 ms
Range
0…2 V, 0…5 V, 0…10 V, ±10 V, 0…5 mA, 0…20 mA, 4…20 mA
Compensation
600 Ohm/12 V
Error state
at range of 4...20mA
error message indication (<3.0 mA)
Detection of current loop interruption
Power supply
Power supply
10…30 VDC/24 VAC, ±10 %, PF > 0,4, I < 40 A/1 ms, isolated
Current draw
< 2 W/2 VA
Mechanical properties
Material
PA 66, non-inflammable UL 94 V-I (blue)
Dimensions
25 x 79 x 110 mm (w x h x d)
Installation
DIN rail, width 35 mm
Operating conditions
Connection
connector terminal board, cable section < 1,5 mm2
Stabilization period
within 15 minutes after switch on
Operating temperature
-20°…60°C
Storage temperature
-20°…80°C
Protection class
IP20
El. safety
EN 61010-1, A2
Dielectric strength
2,5 kVAC within 1 min. between pow. supply, input and output
2,5 kVAC within 1 min.between input and data/anal. output
Insulation resistance
for polution degree II, measuring cat. III.
power supply
550 V (ZI), 255 V (Di)*
EMC
EN 61326-1
Images
Dimensions and installation
Connection
To assemble the order, first select the desired instrument configuration.
OMX 333UNI-???-??
Power supply
Any
?
Any
?
10...30 VDC/24 VAC, izolované
1
Comparators
Any
?
Any
?
žádné
0
1x relé
1
2x relé
2
1x otevřený kolektor
3
2x otevřený kolektor
4
Output
Any
?
Any
?
žádný
0
Analogový
1
RS 485
2
Extension
Any
??
Any
??
Standard
00
Testovací kus RACK_interní kus OM
XX
Selected combination is invalid
Alternatives in stock
OMX 333UNI-101-00In stock < 5 pcs
OMX 333UNI-121-00In stock < 5 pcs

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Micro USB 2.0 cable, A-B with a length of 2 m, for connecting devices to a PC.
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