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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 certificate


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 & measurement / 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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