OM 502I
OM 502I
5-digit TOTALIZER
Type OM 502I is a precise 5-digit panel totalizer. It can display either instant rate or total.
This instrument is based on a single-chip microcontroller with a fast 24-bit sigma-delta converter, which ensures good accuracy, stability and easy operation of the instrument.
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5-digit programmable projection
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range: 0…5 mA; 0…20 mA; 4…20 mA; ±2 V; ±5 V; ±10 V
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accuracy 0,02 %, rate 100 measur./s
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digital filters, tare, linearization, math. functions
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DIN size 96 x 48 mm
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power supply 10…30 V AC/DC or 80…250 V AC/DC
Options
-
comparators
-
data output
-
analog output
-
measured data record
Input
*
Number of inputs
1 input
LX
Range
menu selectable
0…5 mA
< 300 mV
Input I
0…20 mA
< 300 mV
Input I
4…20 mA
< 300 mV
Input I
±2 V
1,8 MOhm
Input U
±5 V
1,8 MOhm
Input U
±10 V
1,8 MOhm
Input U
Linearization
through the OM Link programme
through linear interpolation in 256 points and 16 tables
through linear interpolation in 256 points and 16 tables
Projection
Display range
-99999…999999, single-coloured 14-segment LED
Display height
14 mm
Display colour
red, green
Description
the last two digits of the display can be used to display measured variables
Decimal point
menu adjustable - fixed
Display brightness
menu adjustable
Settings
Control
The device is controlled and set by five buttons on the front panel
Menu
| LIGHT | contains only items necessary for basic device settings with password access |
| PROFI | Full device settings with password access |
| USER | User menu of any item, selected from LIGHT/PROFI. Access without password. |
OM Link
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
±0,02 % of range + 1 digit
Rate
1…100 measur./s
Overload capacity
2x; 10x (t < 30 ms)
Linearization
linear interpolation in 50 points (only via OM Link)
Digital filters
| arithmetic mean | from 2…100 measurements |
| floating mean | from 2…30 measurements |
| exponential mean | from 2…100 measurements |
Functions
| Tare | designed to reset display on non-zero input signal |
| Min/max value | registration of min./max. value achieved during measurement |
| Peak value | display shows only max. or min. values |
Math. functions
polynom, 1/x, logarithm, exponential, power, root, sin x
Data record
Measured data recording into the memory
| RTC | period - 1 s…1 day, time-date-display value, < 266k data, 15 ppm/°C |
| FAST | 40 records/s, display value, < 8k data |
Watch-dog
reset after 400 ms
Calibration
at 25°C and 40 % r.h.
Data outputs
Protocol
MODBUS - RTU, PROFIBUS DP
RS 232
isolated
RS 485
isolated, addressing max. 31 instruments
Sensor excitation
Adjustable
5…24 VDC/max. 1,2 W
Power supply
Power supply
10…30 V AC/DC, ±10 %, PF > 0,4, I < 40 A/1 ms, isolated
80…250 V AC/DC, ±10 %, PF > 0,4, I < 40 A/1 ms, isolated
80…250 V AC/DC, ±10 %, PF > 0,4, I < 40 A/1 ms, isolated
Operating conditions
Connection
connector terminal board, cable section < 1,5/2,5 mm2
Operating temperature
-20°…60°C
Storage temperature
-20°…85°C
Protection class
IP64 (front panel only)
El. safety
EN 61010-1, A2
EMC
EN 61326-1
Mechanical properties
Material
Noryl GFN2 SE1, non-inflammable UL 94 V-I
Dimensions
96 x 48 x 120 mm (w x h x d)
Images
Connection
Dimensions and installation
Datasheets
User manuals
Application notes
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Application note Handling RealTime memory
Aplikační list Obsluha pameti RealTima
|
PDF
|
2006.01 |
|
Download |
|
Application note Firmware upload
Application note Upload firmware
|
PDF
|
2006.02 |
|
Download |
| Application note Upload firmware |
PDF
|
2014.02 | ru | Download |
|
Application note Modbus commands OM 502I
Aplikační list Modbus prikazy OM 502I
|
XLS
|
2019 |
|
Download |
| Application note MODBUS data protocol |
PDF
|
2020.01 | en | Download |
|
Application note Protocol MODBUS description
Application note Protocol MODBUS description
|
PDF
|
2006.01 |
|
Download |
|
Application note protokol MODBUS popis
Application note protokol MODBUS popis
|
PDF
|
2021.01 |
|
Download |
Certificates
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Certificate EU_Declaration_OM502
Certifikát EU_Prohlaseni_OM502
|
PDF
|
2022 |
|
Download |
|
Certificate Declaration_17050_OM502
Certifikát Prohlaseni_17050_OM502
|
PDF
|
2022 |
|
Download |
Firmware
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
| OM 502I 78-605 |
HEX
|
2019 | xx | Download |
Software
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
GSD OM-Profibus
GSD OM-Profibus
|
ZIP
|
2020 |
|
Download |
| GSDML OM-Profinet |
ZIP
|
2020.2.33 | xx | Download |
| GSDML OM-Profinet |
ZIP
|
2024.2.34 | xx | Download |
ISOLATED TRANSDUCER • USB < > OM INSTRUMENTS
Small compact transducer OM LINK USB with cable ensures safe and comfortable galvanically isolated connection between your computer and ORBIT MERRET instruments.