DFW Series





DFWIECEX-BATCH1 weight indicator, IECEx and ATEX certified, for Zones 1 and 21, 2 and 22, for dosages in hazardous areas


  DFWIECEX-BATCH1 weight indicator, IECEx and ATEX certified, for Zones 1 and 21, 2 and 22, for dosages in hazardous areas
 
Communication Interfaces
  • DIGITAL INPUTS/OUTPUTS:
    Intrinsically safe 4-input, 12-output digital card with the following specifications:
    Inputs
    - Ui: 18 V
    - Ri: 214 Ω
    - R input: 859 Ω

    Electronic relay outputs
    - Ui: 18 V
    - Pi: 1,75 W
    - In: 70 mA

  • Intrinsically safe power supply terminal, for piloting devices in ATEX zone or push-button panel. Output voltage 6V, max current 300mA.

    NOTE: by using the available power supply terminal, it is possible to manage the push button panel code EXPHBN in a direct way, even in a safe area, without protection barriers.

    OPTIONAL ANALOG OUTPUT:
    Intrinsically safe analog output, programmable at 0...10Vdc, 0...20mA or 4...20mA.

    NOTE: It is possible to transmit the signal directly to the safe area using the intrinsically safe protective barrier, code PFANOUTEX for analog output in 0...20mA (or 4...20mA) configuration.

    The analogue output of DFWIECEXAN is an active analogue output, which is why it must not be powered. The resistance of analogue input shall be:
    - If the output signal is in voltage: Rmin=1K
    - If the output signal is in current: Rmax=300ohm

    RS485 SERIAL PORT
    2 Optional intrinsically safe RS485 serial ports for communication with repeaters and other devices.
    - ASCII protocol
    - Programmable weight string and read command

    NOTE: it is possible to transmit data directly to the safe area using the protective barrier code PFB485EX
Certification of assembly
  • EXDC: ATEX certification of assembly for DFWIECEX
DFWIECEX-BATCH1 weight indicator is the ultimate solution for single product dosages in hazardous areas. Equipped with RGB backlit display to drive the operator during dosage process and new 3 speed management to make a fast, medium and slow speed filling, with fully programmable thresholds. Lance control will handle the lance lifting up. Up to 50 memories database to store preset dosage targets for a quick recall.

Highlights

  • In load dosage function and automatic unload phase
  • RGB LCD backlit display, easy to read in any light condition
  • 4 digital inputs to remotize START, STOP and PAUSE
  • 12 digital outputs, for Fast, Medium and Slow speed dosage, lance control, errors
  • State-of-the-art, high-speed X-Core CPU, ideal for handling fast and accurate weighing, filling or dosing processes
  • 50 formula database
  • Fly weight management
  • Tolerance check
  • Safety Tare Control at dosage start
  • Programmable lance control
  • Optional analog output proportional to dosed weight or dosage speed

Technical features

  • Protection:
    - for Gas: Ex ib [ib Gb] [ia Ga] IIC T4 Gb
    - for dust: Ex tb [ib Db] [ia Da] IIIC T135°C Db
    - ATEX: II2(2)G(1)G
    - ATEX: II2(2)D(1)D
    - Ta 0°C / +50°C
  • High contrast RGB backlit display, with 6 digits of 25 mm
  • 17-key waterproof keyboard
  • AISI 304 stainless steel casing, with IP65 and IP68 certified protections
  • Minimum measurement range (internal use): 0.01 µV/d
  • 4 load cell inputs, with selectable operating mode:
    - Single scale (use of external junction box)
  • Metrological approval: 10,000e or multi range 3x3000e @ 0.3µV/e
  • Connection up to 8 load cells of 350 Ohm
  • Possibility of direct connection to load receptor installed in Zone 0 and 20
  • 1 Intrinsically safe RS485 serial port as standard, for two-way communication with PLCs, PCs or devices in explosive zones (2 optional RS485 serial port can be added as option)
  • Power supply of your choice (see options table):
    - Through Dini Argeo power supply, 110-230 Vac or 24 Vac - 24 Vdc (battery powered unit available upon request)
  • Dimensions: 280 x 143 x 185 mm
  • Available cable glands: 2 x PG9 as standard, 1 PG supplied (not mounted) and setup for a further 2 optional PG9s

Main certifications:

  • EU Type Examination Certificate (EN 45501:2015)
  • OIML R76
  • EN/IEC 60079-0
  • EN/IEC 60079-11
  • EN/IEC 60079-5
  • EN/IEC 60079-31
  • Certification according to ATEX directive 2014/34/EU and in compliance with IECEx certification scheme, group II category 2GD according to EN/IEC 60079-0, EN/IEC 60079-11, EN/IEC 60079-5, EN/IEC 60079-31.s. IECEx and ATEX certified and approved for legal-for-trade use.
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Available versions
 CodeDescription
DFWIECEX-BATCH1 IECEX and ATEX certified weight indicator for zones 1, 21, 2, 22 for mono-component in-load dosage. With integrated, intrinsically safe RS485 serial port and 4 digital inputs and 12 digital outputs. Protection: Ex II 2(2)G(1)G Ex ib [ib Gb] [ia Ga] IIC T4 Gb X for gas and Ex II 2(2)D(1)D Ex tb [ib Db] [ia Da] IIIC T135°C Db X for dust (Ta=0°C/+50°C). Always combine with IECEXPW power supply or IECEXB battery. Includes printed safety instructions and EU ATEX declaration of conformity (EN, DE, FR, ES, IT).
Communication Interfaces
 CodeDescription
485IECEX Intrinsically safe RS485 serial port , for communication in ATEX zone. Maximum communication distance 200m. (NOTE: for direct communication with devices in safe area, it is necessary to use PFB485EX protective barrier.)
ALM-IECEX Alibi Memory and Calendar Clock for DFWIECEX indicator.
BTH-IECEX Built-in Bluetooth 4.2 interface for hazardous area. Maximum communication distance 10 m.
Digital Input / Output
 CodeDescription
PPVEX 3/2-way, Piezo-pilot, overlapping, normally closed (NC) poppet valve. Compatible with DFWIECEX digital outputs. Conforms to ATEX directive. Degree of protection: Gas: II 1G Ex ia IIC T4/T5/T6 Ga.
PPVIECEX 3/2-way, Piezo-pilot, superposed, normally closed (NC) poppet valve. Compatible with DFWIECEX digital outputs. Conforms to ATEX directive and IECEx certification scheme. Degree of protection: Gas: II 1G Ex ia IIC T6 or T4 Ga and Dust: II 1D Ex ia IIIC T135°C.
IECEXANOUT Intrinsically safe integrated analog output board, 4..20mA, 0..10Vdc
Power supply
 CodeDescription
IECEXPW(S6) IECEx and ATEX power supply for DFWIECEX with 110-230Vac input. Includes input cable for connection to the network (6m) and output cable for connection to the indicator (3m). Protection: Ex II 2(2)G Ex q [ib Gb] IIC T4 Gb X for gas and Ex II 2(2)D Ex tb [ib Db] IIIC T135°C Db X for dust (Ta=0°C/+50°C). Please refer to the instruction manual for more information. A printout of the safety instructions and the EU declaration of conformity ATEX (EN, DE, FR, ES, IT) is included.
IECEXPW24(S6) IECEx and ATEX power supply for DFWIECEX with 24V input (AC or DC). Includes input cable for connection to the network (6m) and output cable for connection to the indicator (3m). Protection: Ex II 2(2)G Ex q [ib Gb] IIC T4 Gb X for gas and Ex II 2(2)D Ex tb [ib Db] IIIC T135°C Db X for dust (Ta=0°C/+50°C). Please refer to the instruction manual for more information. A printout of the safety instructions and the EU declaration of conformity ATEX (EN, DE, FR, ES, IT) is included.
Connection cables
 CodeDescription
RSCBTW 4-core twisted shielded cable (2x2x0.34 mm²), for RS485 communication or analogue output. Polyolefin inner sheath. Tinned copper braid shielding. Outer sheath PVC, diameter 7mm. Temperature range: -30 / +80 °C. Minimum bending radius >/= 6 x O.D. €/m
EXACB4(S6) 4x0.5 mm² armoured cable (suitable for Ex zones). PVC inner sheath. Armour: galvanised steel wire braid. Outer sheath PVC, diameter 7.3 mm. Temperature range: -30 / +80 °C. Minimum bending radius >/= 10 x O.D. €/m
EXCB6(S6) Blue shielded cable 6x0.22 mm², only for EX i (2GD) assemblies. PVC inner sheath. Tinned copper braid shielding. Polyurethane outer sheath, diameter 5.8 mm. Temperature range: -40 / +80 °C. Minimum bending radius >/= 7 x O.D. €/m
LCCB Shielded cable 6x0.25 mm² (suitable for Ex zones). PVC inner sheath. Tinned copper braid shielding. PVC outer sheath, diameter 5.8 mm. Temperature range: -40 / +80 °C. Minimum bending radius >/= 6 x O.D. €/m
LCCBA Armoured cable 6x0.25 mm² (suitable for Ex zones). PVC inner sheath, diameter 5mm. Iron-zinc alloy armour. Transparent PVC outer sheath, 8 mm diameter. Temperature range: -15 / +70 °C. Minimum bending radius >/= 5 x O.D. €/m
CB10P Shielded cable 10x0.25 mm² (suitable for Ex zones). PVC sheath, diameter 7.5mm. Temperature range: -25 / +70 °C (fixed installation). Minimum bending radius >/= 8 x O.D. €/m
Support brackets
 CodeDescription
EXSTFR AISI 304 stainless steel bracket, adjustable inclination. For mounting IECEX weight indicators on the wall.
EXSTFI AISI 304 stainless steel wall bracket. For mounting IECEX weight indicators.
ATEX 2GD Remote Button Control
 CodeDescription
EXPHBN EX 2GD hand control with 2 buttons and cable gland (optional connection cable). Protection II 2G Ex db eb IIC T6 Gb for gases, II 2D Ex tb IIIC T80°C Db for dust.
EXACB4(S6) 4x0.5 mm² armoured cable (suitable for Ex zones). PVC inner sheath. Armour: galvanised steel wire braid. Outer sheath PVC, diameter 7.3 mm. Temperature range: -30 / +80 °C. Minimum bending radius >/= 10 x O.D. €/m
Approval for sale to third parties
 CodeDescription
KCEM Plates and Welmec form for legal trade use of a scale. NET PRICE. Service available in combination with a Dini Argeo indicator.
ECEMDOC Printed EU declaration of conformity, EU certificate of verification, test certificate and metrological book (free download from our website, only for approved CE-M products). NET €.
ECEM-AU Single platform/scale legal-for-trade approval for Australia.
PC Softwares
 CodeDescription
D-LEGAL Legal for trade approved software for recording weighing results to a PC (virtual alibi function) with an integrated API library for interfacing with other software.
D-API Software for recording weighing results to a PC (for internal use) with an integrated API library for interfacing with other software.
Declaration of ATEX conformity
 CodeDescription
EXDC Declaration of ATEX conformity of the assembly. Ex II 2G IIC T4 Gb X and Ex II 2D IIIC T135°C Db X system (Ta=0°C/+40°C), with relative label of whole system, for Dini Argeo DFWIECEX weight indicator connected a mechanical structure with ATEX load cells (each cell must be certified with CCATEX option). Provided with descriptive document of the assembly and ATEX EU declaration of conformity of the assembly (EN and IT).
Optional fixing bracket for indicator
 CodeDescription
PANEL-ST Bracket for mounting the indicator on the panel.
Protection barrier
 CodeDescription
PFB485EX Protection barrier for RS485, for direct connection in safe area. Max cable length: 200m.
ZBINST Installation of the ZBA1S / PFB485EX zener barrier inside the indicator case. Note: The cable (LCCB for barrier ZBA1S, RSCBTW for barrier PFB485EX) of the desired length must also be purchased. NET PRICE.
RSCBTW 4-core twisted shielded cable (2x2x0.34 mm²), for RS485 communication or analogue output. Polyolefin inner sheath. Tinned copper braid shielding. Outer sheath PVC, diameter 7mm. Temperature range: -30 / +80 °C. Minimum bending radius >/= 6 x O.D. €/m
PFANOUTEX Protection barrier for analog current output, 0...20mA or 4...20mA configuration, for direct connection in safe area. Max cable length: 200m. It requires an external 24Vdc power supply.
PFANOUTEXPW 24Vdc power supply for PFANOUTEX protective barrier.
PG cable glands
 CodeDescription
PG7-IECEX PG7 Cable Gland for DFW and 3590 IECEx Series Cable diameter: 4 to 7 mm.
PG9-IECEX PG9 Cable Gland for DFW and 3590 IECEx Series Complete with ferrules and seals. Cable diameter: 4 to 7 mm or 7 to 10 mm.
PG13-IECEX PG13 Cable Gland for DFW and 3590 IECEx Series Complete with ferrules and seals. Cable diameter: 5,5 to 8 mm, 8 to 10,5 mm or 10,5 to 13 mm.

Pdf product page All the specifications and images can be subject to variations and upgrades without prior notice.
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