Deskripsyon
PRECIA MOLEN i40EX 2-21 IECEx Indicator
The PRECIA MOLEN i40Ex 2-21 IECEx industrial indicator is particularly adapted for process weighing with easy integration in any industrial process which includes weight measurement.
It can be installed directly in potentially explosive atmosphere for risks related to the presence of dusts (zone 21 and 22) and/or gas (zone 2).
The numerous wiring possibilities allow a direct connection of the i40Ex 2-21 IECEx indicator to most PLCs and industrial PCs on the market.
Display:
• FSC Technology (Field Sequential Color)
• 7 color configurable backlighting
• Weight display over 7 characters (25 mm high)
• 10 character text zone (8 mm high)
• Weight units: g, kg, t and lb
• Metrological and field bus activity indicators
• Wide viewing angle and sharp contrast
• Bilingual messages French/English
Keyboard:
• Touch pad
• 3 metrological keys: zero, tare and gross weight reminder
• 3 menu access keys
• 4 arrow keys
Certification:
• Compliant with the ATEX European Directive relative to protection devices and systems designed for use in explosible atmospheres and with
IECEx standards.
• Marking according to EN 60079-0:2012
- II3G Ex nA IIC T4/T6* Gc
- II2D Ex tb IIIC T85°C Db
* T4 with an optional board
Metrological approval:
Compliant with the European Directive on Non-Automatic Weighing Instruments (NAWI).
• Class III NAWI
• Simple range 1 x 3 000 or 1 x 6 000
• Double range 2 x 3 000 or 2 x 6 000
Metrological features:
• Up to 200 000 divisions in non legal for trade use.
• Minimum tension scale per division ............................ 0,5 μV
• Weigh cell power supply ............................................. 5 V
• Weigh cell minimum impedance ................................. 43 Ω
• Weigh cell maximum impedance ................................ 1245 Ω
• Connection .................................................................. 4/6 wires
• Up to 100 measurements/second
• Cascadable digital filters on 2 configurable levels
Environmental features:
• Power Supply ......................................................................... 9 à 30 V DC**
• Maximum consumption :
Typical ................................................................................... 1,4 W
With 4-20 mA / 0-10 V option ................................................ 1,8 W
With field bus option .............................................................. 2,7 W
• Connection on spring loaded terminals
• Use temperature ..................................................................... - 20 °C / + 55 °C***
(10 to 85 % max. of relative humidity without condensation)
• Storage temperature ............................................................... - 20 °C / + 55 °C
• Waterproofness ....................................................................... IP66
• Shock resistance ..................................................................... IK07
** if 4-20 mA option: minimum 22 V.
*** -10 °C / + 40 °C in legal for trade use.
Communication:
• 1 RS232/RS485 configurable port.
• Protocols : slave Modbus RTU, slave PM A+ and remote display master PM A+.
Weight thresholds:
4 galvanic isolated
digital outputs:
• Tension/current range. ................................................ 30 V AC/DC - 100 mA
• Definition of thresholds in gross weight or net weight.
• Output activation if the current weight is >= or <= threshold value.
• Thresholds relative to a positive or negative weight value.
Remote control:
2 galvanic isolated
digital inputs:
• Tension range . ........................................................ 8-30 V DC
• Max. current. ........................................................... 15 mA
Used to remotely perform zeroing and taring operations.
Settings:
Metrological and functional settings can be performed via:
• the indicator front panel;
• a PC and a simple Internet browser.
Parameter back-up/restoration on μSD board (optional) or on CDRom.
Help with preventive maintenance:
• Counter of observed weight overloads.
• Alert display on 3 levels according to the number of performed weighs.
Options:
Communication via field bus
• PROFIBUS-DP*
• PROFINET*
• DeviceNet*
• Ethernet Modbus-TCP*
• EtherNet/IP*
• CANopen
• POWERLINK*
The CANopen bus enables connecting a d 20 remote display and integrating an i 40 Ex 2-21 IECEx indicator in an I 410 network.
Analog output*:
• 4-20 mA or 0-10 V analog output • 1500 V RMS galvanic isolation • Possible reading of negative weight values on
the 0-4 mA range • Image of instant gross or net weight
* Exclusive options: either one of the connections to the field buses marked by *, or an analog output.
Serial communication:
• 1 peripheral-type USB port • 1 RS 232 port • Protocols:
slave Modbus RTU, slave PM A+ and remote display master PM A+.
TCP/IP communication:
• 1 Ethernet port 10/100 Mb RJ 45
• Protocol: slave PM A+ and remote display master PM A+.
μSD board:
• For parameter back-up/restoring.
• Alibi (DSD) memory for 300 000 records in legal for trade use.
Junction box:
Direct connection to 2 to 4 analog load cells (4 or 6 wires)
Internal power supply
• Voltage . ..................................................... 100-240V AC 50/60Hz
• Power draw . ............................................... 0,35 A
Power chaining
8 terminals for 24 V power supply chaining (max. current 10
A). Maximum cross-section: 2,5 mm²
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