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Positioners - Two Wire System

024.16.204 Eex

Positioner 024.16.204 Eex

Type 024.16.204 Eex Positioner for using in explosion proof areas (Zone 1)
electro-pneumatical Positioner for pneumatically operated valves

Attributes:

  • two-conductor technology for simultaneous setpoint transmission and energy supply of the device

  • signal processing, control and actuttion of the internal positioning systems are accomplished with microprocessor-controlled electronics.

  • External position sensor system

Technical Data

Housing material:   luminium, hard anodized and plastic coated
Other external parts:   Stainless steel V4A
Control air temperature:   -25...+60 °C
Control medium:
  Quality class concerning DIN ISO 8573-1
Temperature: -25...+60 °C
Control air socket:   G 1/4, on demand NPT 1/4
Supply pressure*:   1,4 till 6 bar
Air flow capacity:
  55 l/min at 1,4 bar
170 l/min at 6 bar for pressurizing and venting
Instrinsic air consumption:   0 L/min
Current supply for electronics:   Via setpoint signall 4-20 mA
Burden voltage, setpoint setting: < 10,2 V DC
Electrical connection:
  2 x M20 x 1,5-bushing
clamping range 6-12 mm
srew termials for 0,14 -1,5 mm
Analog feedback:   4-20 mA oder HART (optional))
Process value input (only for version with process controller)   Burden: 10 Ohm at 30 V
Burden voltage U: <200 mV at 100 mA
Binary input:    Binary input:
Make/break contact (conf.): Co 5,5 µF
Lo 1000 mH
Actual value input signal:   180 Ohm at 4 - 20 mA
17 kOhm at Frequence
Stroke of the valve:   3-130 mm
Options:
  Final position switch, Namur initiators
process controller
Profibus PA
Operation:   3 operating keys for internal programming
Type of protection:   IP65 to EN 60529
Type pf ignition protection:   II (1) 2 G EEx ia IIC T6 to DIN EN 50020
Certification:   ATEX 2027 (PTB04)
Conformity:   EMV-89/336/EWG
    *pressure data in bar; overpressure to ambient
Interfaces:    Schnittstellen

Recommendations for isolation transformers

 
    DC-transformers  Burden EX  active / passive 
    Input/Output 4-20 mA      
Pepperl+Fuchs   KFD2-CD-Ex 1.32  850 Ohm  x  A
Stahl   9318/16-22-10  700 Ohm  x  A
PhoenixContact   PI/EX-ID-I/I  800 Ohm  x  A

 


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