OM 352DC

OM 352DC

3 1/2 - digit DC Voltmeter and Ammeter

The OM 352 series are simple 3 ½ digit panel programmable instruments designed for maximum usefulness and user comfort while maintaining their fair price. Type OM 352DC is a voltmeter-ammeter suitable for measurements of larger ranges of DC voltages and currents. The instrument is based on a single-chip microcontroller and an A/D converter, which ensure good accuracy, stability and easy operation of the instrument.

  • 3 ½ digit programmable projection
  • range: 0…1/5 A; 0…20/40/100/200 V
  • digital filters, tare, linarization
  • size of DIN 96 x 48 mm
  • power supply 10…30 V AC/DC or 80…250 V AC/DC

Options

  • excitation
  • comparators
  • data output
  • analog output
  • three-color display - 20 mm

 

 

Projection
Display range
±1999, single-coloured 7-segment LED
-999…9999, 3-coloured 7-segment LED
Display height
14 mm, 20 mm
Display colour
červená, zelená, červená/zelená/oranžová
Signalizing LED
1, 2
Limits L1, L2 (red)
T
Tare (green)
Decimal point
nastavitelná v menu - pevná nebo plovoucí
Display brightness
nastavitelný v menu
Input
DC
Range
menu selectable
0…1 A
< 12 mV
Input 5
0…5 A
< 60 mV
Input 5
0…20 V
2 MOhm
Input 2
0…40 V
2 MOhm
Input 2
0…100 V
10 MOhm
Input 1
0…200 V
10 MOhm
Input 1
Settings
Control
The device is controlled and set by five buttons on the front panel
Selected functions can also be controlled via external inputs
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
Instrument accuracy and functionality
Temperature coefficient
50 ppm/°C
Accuracy
±0,2 % of range + 1 digit
(for projection ±1999 and 5 measur./s)
Rate
0,5…10 measur./s
Overload capacity
2x; 10x (t < 30 ms) - ne pro > 200 V a 5 A
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
Relay idle state
rozepnutý nebo sepnutý - nastavitelný v menu
Output
2x relay, switch on contact (250 VAC/30 VDC, 3 A)
2x open collector (30 VDC/100 mA)
Data outputs
Protocol
ASCII, PROFIBUS DP
Data format
8 bits + no parity + 1 stop bit (ASCII)
Rate
300…230 400 Baud
0,0096…12 MBaud (PROFIBUS)
RS 232
izolovaná
RS 485
izolovaná, adresace max. 31 přístrojů
Analogue outputs
Type
Isolated, programm. with resolution of max. 4,000 steps, type and range are menu selectable
Nonlinearity
±0,2 % of range
Temperature coefficient
50 ppm/°C
Rate
response to value change < 250 ms
Range
0…2 V, 0…5 V, 0…10 V, 0…20 mA, 4…20 mA
Compensation
600 Ohm/12 V
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
Current draw
< 6,8 W/6,9 VA
Power supply protection
Power supply is protected by a fuse inside the instrument
Mechanical properties
Material
Noryl GFN2 SE1, non-inflammable UL 94 V-I
Dimensions
96 x 48 x 120 mm (w x h x d)
Panel cutout
90,5 x 45 mm (w x h)
Operating conditions
Connection
connector terminal board, cable section < 1,5/2,5 mm2
Operating temperature
-20°…60°C
Storage temperature
-20°…80°C
Protection class
IP64 (front panel only)
El. safety
EN 61010-1, A2
Dielectric strength
4 kVAC within 1 min. between pow. supply and input
4 kVAC within 1 min. between pow. supply and data/anal. output
4 kVAC within 1 min. between input and relay output
2,5 kVAC within 1 min.between input and data/anal. output
Insulation resistance
for polution degree II, measuring cat. III.
power supply
670 V (ZI), 300 V (Di)*
input, output, PN
300 V (ZI), 150 V (Di)*
EMC
EN 61326-1
Explanatory notes

PI - Primary insulation, DI - Double insulation

Images
Connection
Dimensions and installation
To assemble the order, first select the desired instrument configuration.
OM 352DC-????-??
Power supply
Any
?
Any
?
10...30 V AC/DC
0
80...250 V AC/DC
1
Comparators
Any
?
Any
?
ne
0
1x relé (spínací)
1
2x relé (spínací)
2
1x otevřený kolektor
3
2x otevřený kolektor
4
Outputs
Any
?
Any
?
žádný
0
Pomocné napětí
1
Analogový výstup
2
RS 232
3
RS 485
4
RS 485 - Modbus
5
RS 485 - Profibus
6
Display color
Any
?
Any
?
červená - 14 mm
1
zelená - 14 mm
2
červená/zelená - 20 mm
3
specification
Any
??
Any
??
Standardní
00
Selected combination is invalid
Alternatives in stock
OM 352DC-1211-00In stock < 5 pcs

Firmware

File nameFile typeVersionLanguageDownload
OM 352DC 61-004
HEX
2009 xxDownload
OM 352DC 61-A01
HEX
2019 xxDownload
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Software

File nameFile typeVersionLanguageDownload
GSD OM-Profibus
ZIP
2020 xxDownload
GSDML OM-Profinet
ZIP
2020.2.33 xxDownload
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CAD

File nameFile typeVersionLanguageDownload
OM Krabicka
DWG
2014 xxDownload
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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.