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INSTRUCTIONS FOR USE
OM 402LC
INPUT
range is adjustbale in confi guration menu
Sensitiveness: 0,2…4
mV/V
0,4…8
mV/V
0,8…16
mV/V
Connection: 4/6-wire
Tensiometer voltage: 10 VDC, max. load 80 Ohm
PROJECTION
Display:
999999, intensive red or green
14-ti segment LED, digit height 14 mm
Projection: ±9999
(-99999…999999)
Decimal point:
adjustable - in menu
Brightness:
adjustbale - in menu
INSTRUMENT ACCURACY
TC: 50
ppm/°C
Accuracy:
±0,1 % of range + 1 digit
Above accuracies apply for projection 9999
Rate: 0,1…40
measurements/s**
Overload capacity: 10x (t < 100 ms), 2x (long-term)
Linearisation:
by linear interpolation in 38 points
- solely via OM Link
Digital fi lters:
Averaging, Floating average, Exponential fi lter, Rounding
Functions:
Tare - display resetting
Hold - stop measuring (at contact)
Lock - control key locking
MM - min/max value
Mathematic
functions
OM Link:
company communication interface for setting, operation
and update of instrument SW
Watch-dog:
reset after 400 ms
Calibration:
at 25°C and 40 % of r.h.
COMPARATOR
Type:
digital, adjustable in menu
Mode:
Hysteresis, From, Dosing
Limita: -99999…999999
Hysteresis:
0…999999
Delay: 0…99,9
s
Outputs:
2x relays with switch-on contact (Form A)
(230 VAC/30 VDC, 3 A)*
2x relays with switch-off contact (Form C)
(230 VAC/50 VDC, 3 A)*
2x SSR (250 VAC/ 1 A)*
2x/4x open collector (30 VDC/100 mA)
2x bistabil relays (250 VAC/250 VDC, 3 A/0,3 A)*
Relay:
1/8 HP 277 VAC, 1/10 HP 125 V, Pilot Duty D300
DATA OUTPUTS
Protocols:
ASCII, DIN MessBus, MODBUS, PROBUS
Data format:
8 bit + no 1 stop bit (ASCII)
7 bit + even 1 stop bit (MessBus)
Rate:
600…230 400 Baud
9 600 Baud…12 Mbaud (PROFIBUS)
RS 232:
isolated, two-way communication
RS 485:
isolated, two-way communication,
addressing (max. 31 instruments)
PROFIBUS
Data protocol SIEMENS
ANALOGO OUTPUTS
Type:
isolated, programmable with 12 bits D/A convertor,
analogoutput corresponds with displayed data, type and
range are adjustable
Non-linearity:
0,1 % of range
TC: 15
ppm/°C
Rate:
response to change of value < 1 ms
Voltage:
0…2 V/5 V/10 V/±10 V
Curernt:
0…5/20 mA/4…20 mA
- compensation of conduct to 500 Ohm/12 V
or 1 000 Ohm/24 V
MEASURED DATA RECORD
Type RTC:
time-controlled logging of measured data into instrument
memory, allows to log up to 250 000 values
Type FAST:
fast data logging into instrument memory, allows to log up
to 8 000 values at a rate of 40 records/s
Transmission: via data output RS 232/485 or via OM Link
EXCITATION
Fixed:
10 VDC, max. load 80 Ohm
POWER SUPPLY
Options:
10…30 V AC/DC, 10 VA, isolated,
- fuse inside (T 4000 mA)
80…250 V AC/DC, 10 VA, isolated
- fuse inside (T 630 mA)
MECHANIC PROPERTIES
Material:
Noryl GFN2 SE1, incombustible UL 94 V-I
Dimensions:
96 x 48 x 120 mm
Panel cut-out:
90,5 x 45 mm
* values apply for resistance load
TECHNICAL DATA
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