OML 643RS
OML 643RS
6 digit DATA DISPLAY RS 485
Type OML 643RS is a 6 digit data display device for data projection from serial line RS 485 with a box depth of only 30 mm. The instrument is based on a single-chip microcontroller, which ensures good accuracy, stability and easy operation of the instrument.
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6 digit programmable projection
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input: RS 485
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ASCII, MODBUS RTU
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digital filter
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size of DIN 96 x 48 mm
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power supply 10…30 VDC/24 VAC
Options
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comparator
Input
RS
Input
RS 485
Protocol
ASCII
ASCII - Master
ASCII - Slave
ASCII - Universal
MODBUS RTU
ASCII - Master
ASCII - Slave
ASCII - Universal
MODBUS RTU
Format
8 bits + no parity + 1 stop bit
Rate
300…230 400 Baud
Line termination
short circuit connector socket
Projection
Display range
-99999…999999,single-coloured 7-segment LED
Display height
14 mm
Display colour
red, green
Signalizing LED
| 1 | Limit L1 (red) |
Decimal point
menu adjustable - fixed or floating
Display brightness
menu adjustable, automatically
Settings
Control
The device is controlled and set by five buttons located behind the the rear lid
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
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
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
Digital filters
| exponential mean | from 2…100 measurements |
| rounding | setting projection step for display |
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 |
Output
1x open collector (30 VDC/100 mA)
Power supply
Power supply
10…30 VDC/24 VAC, ±10 %, PF > 0,4, I < 45 A/1 ms, isolated
Current draw
< 1,8 W/1,9 VA
Operating conditions
Connection
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
IP 65 (front panel only)
El. safety
EN 61010-1, A2
Dielectric strength
2,5 kVAC within 1 min. between pow. supply and input
4 kVAC within 1 min. between input and relay output
4 kVAC within 1 min. between input and relay output
Insulation resistance
for polution degree II, measuring cat. III.
| power supply | 300 V (ZI)* |
| input, output | 300 V (ZI)* |
EMC
EN 61326-1
Mechanical properties
Material
Polycarbonate, non-inflammable UL 94 V-0
Dimensions
96 x 48 x 30 mm (w x h x d)
Panel cutout
92 x 44 mm (w x h)
Images
Connection
Dimensions and installation
Datasheets
User manuals
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Operating instructions OML643RS_MB
Návod OML643RS_MB
|
PDF
|
2015.1.0 |
|
Download |
| Operating instructions OML643RS |
PDF
|
2014.1.0 | en | Download |
| Návod OML643RS |
PDF
|
2012.1.0 | cs | Download |
Application notes
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Application note MODBUS data protocol
Aplikační list MODBUS datový protokol
|
PDF
|
2020.01 |
|
Download |
Certificates
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Certificate EU_Declaration_OML643
Certifikát EU_Prohlaseni_OML643
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PDF
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2022 |
|
Download |
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Certificate Declaration_17050_OML643
Certifikát Prohlaseni_17050_OML643
|
PDF
|
2022 |
|
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.