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4511
 
 

4511

 

Communication enabler

 

  • Programming display for system 4000 and 9000 devices
  • Modbus RTU protocol interface over RS-485
  • Monitor process value from the built-in display
  • High 2.5 kV isolation to host unit
  • Shielded RJ45 connector on top
  1. Overview +

  2. Technical details +

  3. Accessories +


Application

  • The 4511 detachable display adds Modbus RTU RS-485 serial communications to all current and future 4000/9000 units.
  • The unit converts a wide array of sensors and analog device signals measured by the system 4000 like uni- and bipolar mA and voltage signals, potentiometer, Lin. R, RTD and TC, to a Modbus communication line signal.
  • When mounted on a system 9000 device any signal coming from or going to I.S. classified area, like AI, AO, DI and DO signals, can be converted to a Modbus network.
  • All individual unit operating parameters can easily and quickly be configured by using the Modbus communication or by using the front display menu.
  • The easily readable 4511 display can be used to read the process signal, simulate the output signal, indicate sensor errors and internal device errors.

Technical characteristics

  • 4511 has full 4501 functionality for unit programming, process signal monitoring and diagnostics handling.
  • Modbus RTU protocol is supported using a serial RS-485 communication wiring.
  • Multidrop half-duplex connection via shielded RJ45 connector.
  • High safe galvanic isolation of 2.5 kVAC between the serial wiring and the connected system 4000/9000 units.
  • Modbus parameters such as address, baud rate, stop bit(s), and parity bit are configured from the 4511 display, which also stores parameters.

Mounting / installation / programming

  • Mounting in Zone 2 / Div 2.
  • The 4511 can be moved from one device to another. The individual system 4000/9000 unit configuration of the first device can be saved and downloaded to subsequent devices.
  • Programmed parameters can be protected by a userdefined password.
  • When mounted on devices that are installed upside down, a menu item allows the display on the 4511 to be rotated 180o and the up/down buttons to switch function.

Data sheet


ATEX certificate


IECEx certificate


UL certificate


FM certificate


DNV marine certificate


EAC declaration


Metrology Pattern Approval (MPA)


Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Storage temperature

    -20°C to +85°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP20

  • Installation in

    Pollution degree 2 & meas. / overvoltage cat. II

Mechanical specifications

  • Dimensions (HxWxD)

    73.2 x 23.3 x 26.5 mm

  • Dimensions (HxWxD) w/ 4000/9000 unit

    109 x 23.5 x 131 mm

  • Weight approx.

    100 g

  • Connection

    RJ45 - shielded

Common specifications

  • Supply

  • Max. required power

    ≤ 0.15 W

  • Isolation voltage

  • Isolation voltage, test / working

    2.5 kVAC / 250 VAC reinforced isolation

  • Response time

  • Response time

    < 20 ms

  • Signal / noise ratio

    > 60 dB

  • Update rate

    > 50 Hz

  • Extended EMC immunity: NAMUR NE21, A criterion, burst

    No loss of communication

  • Signal type

    RS-485 half duplex

  • Serial protocol

    Modbus RTU

  • Modbus mode

    RTU - slave

  • Devices on an RS485 line

    Up to 32 (w/o a repeater)

  • Data rates, baud

    2400, 4800, 9600, 19200, 38400, 57600, 115200

  • Automatic baudrate detection

    Yes - can be configured ON or OFF

  • Parity

    Even, Odd, None

  • Stop bit(s)

    1 or 2

  • Digital addressing

    1...247

  • Response delay

    0...1000 ms

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • EAC

    TR-CU 020/2011

Approvals

  • DNV-GL Marine

    Stand. f. Certific. No. 2.4

  • ATEX 2014/34/EU

    DEKRA 13ATEX0098 X

  • IECEx

    DEK 13.0026 X

  • FM

    0003049132-C

  • UL

    UL 61010-1

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