Bronkhorst

EL-PRESS Metal Sealed P-602CM (P2-Control)

Metal-Sealed Forward Pressure Controller

  • Forward pressure control (controls downstream pressure "P2")
  • Patented metal-to-metal seal construction ensures long-term leak tightness (to atmosphere)
  • Electropolished wetted parts
  • Cleanroom assembled
  • For absolute or gauge pressure
  • High accuracy and repeatability
  • Well proven, compact thru-flow design
  • Compact design with on-board PID controller and direct acting control valve
  • Analog, RS232 and fieldbus communication
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EL-PRESS Metal SealedP-602CM (P2-Control)

Metal-Sealed Forward Pressure Controllers

Bronkhorst® model P-602CM Forward Pressure Transducers (EPCs) are designed especially to meet the requirements of the semicon market as well as other high purity gas applications. The instruments feature high surface quality and are of modular construction with metal-to-metal seals that ensure long-term leak tightness. The P-602CM is suited for precise measurement and control of pressure ranges between 2…100 mbar and 1,28…64 bar absolute or gauge. The EPC has a well-proven compact thru-flow design and includes a diaphragm type piezo-resistive pressure sensor, a microprocessor based pc-board with signal and fieldbus conversion and a PID controller for pressure control by means of integrated control valve.

In addition to the standard RS232 output the instruments also offer analog I/O. As an option, an on-board interface can be mounted to provide DeviceNet™, PROFIBUS DP, Modbus, EtherCAT®, PROFINET or FLOW-BUS protocols


Technical specifications

Measurement / control system
Accuracy (incl. linearity and hysteresis) ±0,5% FS
Repeatability < 0,1% Rd
Pressure rangeability 1 : 20 (with flow range 1 : 50)
Control stability ≤ ±0,05% FS (typical for 1 slm N2 at specified process volume)
Max. Kv-value 6,6 x 10-2
Operating temperature -10…+50°C;
up to +70°C on request
Temperature sensitivity 0,1% FS/°C
Leak integrity, outboard < 2 x 10-11 Pa.m3/s He
Leak-by through closed valve < 10-5 Pa.m3/s He
Attitude sensitivity may be mounted in any position
Warm-up time negligible
Mechanical parts
Material (wetted parts) stainless steel 316L or comparable
Process connections 1/4 face seal couplings
Outer seals metal-to-metal (no O-rings)
Valve seat Kalrez® (FFKM); options: Viton®, EPDM
Weight 0,7 kg
Ingress protection (housing) IP40
Electrical properties
Power supply +15…24 Vdc
Max. power consumption Supply
15 V
24 V
at voltage I/O
223 mA
150 mA
at current I/O
223 mA
150 mA
PROFIBUS DP add 53 mA (15 V supply) or 30 mA (24 V supply)
PROFINET add 77 mA (15 V supply) or 48 mA (24 V supply)
EtherCAT® add 66 mA (15 V supply) or 41 mA (24 V supply)
DeviceNet™ add 48 mA (24 V supply)
Analog output/command 0...5 (10) Vdc or 0 (4)…20 mA (sourcing output)
Digital communication standard: RS232;
options: PROFIBUS DP, DeviceNet™, PROFINET, EtherCAT®, Modbus RTU or ASCII, FLOW-BUS
Electrical connection
Analog/RS232 9-pin D-connector (male);
PROFIBUS DP bus: 9-pin D-connector (female);
power: 9-pin D-connector (male);
Devicenet™ 5-pin M12-connector (male);
EtherCAT®/ PROFINET 2 x RJ45 modular jack (in/out)
FLOW-BUS/Modbus-RTU/ASCII RJ45 modular jack

Note: The measuring cell of the pressure sensore is separated from the external pressure by a thin, sensitive stainless steel diaphragm, and the sealed off cavity between diaphragm and cell is filled with oil. Since the standard oil filling is flammable, Bronkhorst advises to take precautions when oxygen or any other explosive fluid is used.

Technical specifications subject to change without notice.

For dimensional drawings and hook-up diagrams please visit the productpage on our website

Downloads

Brochures
Metal Sealed Mass Flow and Pressure brochure

Manuals
General manual digital instruments
Operating instructions digital instruments

Hook-up diagrams
Analog IO - RS232
DeviceNet
EtherCAT
FLOW-BUS
Modbus
Optional Bus and IO Configurations
PROFIBUS DP
PROFINET


Bronkhorst High-Tech B.V.

Nijverheidsstraat 1A
NL-7261 AK Ruurlo (NL)
Tel. +31 573 45 88 00
info@bronkhorst.com

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