INST.No.INE-475-P1CE Software Version 1.00
-40-
10.1 Detector unit: IRMA51
, IRMA52
Model IRMA51
IRMA52
Measuring system
Infrared reflection type 3-wavelength
system (NIR)
Infrared reflection type multiple-wavelength
system (Thin-film, Infrared)
Lamp
Tungsten-filament lamp
Measurement distance
300mm (200 to 300mm adjustable)
Measurement area
50 x 50mm (at the measuring distance 300mm)
With the output checker plate Detector unit output (absorbance “x”):
Within ±0.015
Within ±0.030
Reproducibility
(Under same ambient temperature and the humidity)
The above reproducibility is specified with the output checker plate and it is different
from the reproducibility in the actual measurement.
Stability under the
EMC test environment
Detector unit output (absorbance “x”)
: Within ±0.05
Detector unit output (absorbance “x”)
: Within ±0.1
Output signal
Analog signal: 4-20mADC and ±0.2% of full scale (Load resistance: 500
Ω
or less)
Communication output
RS-485 (MODBUS) … Standard Ethernet (LAN) … Option
One of the above outputs is to be specified.
Output update cycle
28ms.
Display
Data: LED 5 digits, Calibration curve number, others: LED 2 digits
Setting
By keys or through communication.
Processing function
2-color, 3-color ratio processing and multiple regression processing
Number of calibration curve 99 (maximum)
Calibration curve
First to third degree to cubic polynomial and multiple regression
With calibration curve correction (First to second-degree correction)
Smoothing processing
0 to 99.9 seconds
Calibration
The calibration is enabled by the output checker plate.
Detector unit number
setting
For the multiple-detector-units connection, detector unit numbers can be specified by
key operation.
CH number for the
calibration curve setting
CH number for the calibration curve can be specified by key operation.
Self-diagnosis function
Contact and communication output at self-diagnosed abnormal conditions
Correction input
function
Correction of measured data with an external 4-20mADC input (1 input)
(Sample temperature correction, others)
External Di/o
Di (contact input): One function selected from the preset, the data hold or the
real/smooth switching can be inputted via the contact input.
Do (contact output): One function selected from the self-diagnosis function (1 Form
B) or the high/low alarms (1 Form A) can be outputted as the
contact output.
Working temperature
range
0 to 50°C [The cooling by water or air is necessary if the working temperature is
higher than 45°C.] Air is dry-air and air temperature is less than 30°C
Power voltage
24VDC [The power voltage is supplied from the power unit IR-WEP (supplied as an
attachment). Power to the power unit: 100 to 240VAC, 50/60Hz]
Permissible voltage
fluctuation
18 to 30V DC (For products conforming to CE: Within 24VDC±10%)
Power consumption
Approx. 36VA (maximum)
Connection
Terminal connections
Case
Aluminum dust- and splash-proof structure (IEC529, IP65)
Weight
Approx. 4.3kg
Installation method
Bolt suspension method with 4 pieces of M8 bolts
CE
EN61326
＋
A1
＋
A2, Emission : classA Immunity : Annex A Table A. 1
Conditions for CE
conformance
1. The connection cable should be used indoors and its length should be up to 30m.
2. One(1) set for DC power source unit should be to one(1) set of this unit.
10. Specifications
