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41
80290C_MHW_2400_0908_ENG
5 • TECHNICAL SPECIFICATIONS
This section contains a list of the Technical Specifications for the instrument 2400.
Display
1 x 5 red/green bicolor digits, height 13mm
1 x 2 red digits, height 7mm
14 x red led
Keys
6 mechanical keys (Peak, Cal/Rst,
*
, INC, DEC, F)
Accuracy
0.1% f.s. ±1 at 25°C room temperature
Thermal drift
< 150ppm/°C on f.s. for current/voltage and strain-gauge inputs
IN1, IN2 main input/s
Strain-gauge: 350
Ω
, sensibility 1,5...4mV/V,
with probe power supply 5/10Vdc ±5%
Potentiometer:
≥
100
Ω
, Ri > 10M
Ω
@ 2,5Vdc
Linear DC: ± 60mV, ± 100mV, ± 1V, ± 5V, ± 10V, Ri > 10M
Ω
0/4...20mA, Ri = 50
Ω
TC, RTD
Sampling time 2msec
TC type (Thermocouples) (ITS90)
J, K, R, S, T (IEC 584-1, CEI EN 60584-1,60584-2)
a 64 segment custom linearization can be inserted
Cold junction error
0,1°C / °C
RTD type (Temperature resistance) (ITS90)
Pt100 (DIN 43760),
Max. line resistance for RTD
20
Ω
Safety
Detection of short-circuit or opening of probes,
no probe power; LBA alarm
IN3, IN4 auxiliary inputs
Potentiometer: 1...10K
Ω
, @ 10Vdc
Linear DC: 10V, Ri > 2M
Ω
0/4...20mA, Ri = 50
Ω
Sampling time 10ms
Linear scale ranges
-19999...99999, with configurable decimal point position
Type of relay contact
NO (NC) 5A, 250V/30Vdc cos
ϕ
= 1
OUT 1, OUT 2, OUT 3, OUT 4 outputs
Logic output
24Vdc, > 18V at 20mA, source / sink type
OUT 1, OUT 2, OUT 3, OUT 4 outputs
Ru = 390
Ω
Relay / logic outputs with MD8 OUT3, …, OUT 10 The outputs are assigned to the state of alarms AL3,...,AL10
Refresh every 2ms.
Digital inputs
Isolation 1500V, sampling time 60ms
DI1, DI2
24Vdc, 5mA (PNP) or by voltage-free contact (NPN) max 5mA
select PNP/NPN via configuration parameter
OUT W analog retransmission
Continuous, resolution improved by 0,03%, isolation 1500V
refresh every 2msec in sync with sampling of variables IN1 and IN2
0/2...10V, ± 10V max 25mA, short-circuit protection
0/4...20mA, max load 500
Ω
Max power limit
-100.0 ... 100.0%
Fault power setting
Maintains PV value display
Configurable alarms
Up to 3 alarm functions assignable to an output and configurable of
type: maximum, minimum, symmetrical, absolute, relative, LBA
for AL1, AL2 calculation every 2ms in sync with sampling of variables
IN1 and IN2,
For AL3, …, AL 10 calculation every 2…4 ms, depending on number of alarms
Alarm masking
Exclusion during warm up, memory, reset from faceplate and/or contact
Probe power supply
5Vdc, 10Vdc, for strain-gauge probes, max 200mA
1,2Vdc for potentiometers
≥
100
Ω
Transmitter power supply
24Vdc ±5%, max 100mA
Serial interface
RS485 isolation 1500V
Baudrate
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bit/s
Protocol
MODBUS RTU
Power supply (switching type)
(standard) 100...240Vac/dc ±10%
(optional) 20...27Vac/dc ±10%
50/60Hz, max 20VA
protection via internal fuse, not replaceable by operator
Faceplate protection
IP54 (optional IP65)
Working / Storage temperature range
0...50°C/-20...70°C
Relative humidity
20...85% Ur non-condensing
Environmental working conditions
For indoor use, altitudes up to 2000m
Installation
Panel, removable faceplate
Installation specifications
Installation category II, pollution level 2, double isolation
Weight
450g