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PCH Prox Box for PCH Link Concept (CHB 1144)

PCH Prox Box CHB 1144
 
The PCH Prox Box (type CHB 1144) is a 2-channel proximity driver solution that can be selected as part of the PCH Link Concept solution.
 
Two individual proximity drivers offer fully redundant measurements for thrust bearings, X/Y readings or trigger/rotational speeds in one, compact cabinet.

 


 
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Main features

  • Frequency range: 0-5 kHz
  • Drivers: 2 independent proximity drivers
  • Outputs: negative and positive voltage AC/BIAS outputs, protected buffered outputs
  • Operating temperatures: -20 °C to +60 °C
  • Mounting: DIN rail


 

 





 

Applications

The PCH Prox Box is an optional module in the PCH Link Concept series. It offers fully redundant measurements for thrust bearings, X/Y readings or trigger/rotational speeds in one, compact cabinet.



 

Functionality

The PCH Prox Box is connected to the PCH 1420 Vibration Monitor input and power supply screw terminals. Alarm levels in the PCH 1420 can be configured with the PCH Vibration Studio software. Up to three CHB 1144 Prox Boxes can be mounted on the same DIN rail bus.
 
The CHB 1144 contains two individual proximity probe drivers. They each have their own -24V power supply but can be powered by a common positive +24V power supply or by the DIN rail bus via the PCH 1420 vibration monitor as an alternative.
 
 When the CHB 1144 is powered by +24 VDC an additional positiv output of 2-18 V per channel is available.
 



 

Options

Proximity probes

Two individual proximity probes can be connected to in the same housing. When ordering your PCH Prox Box, please specify the type(s) of proximity probe(s) you wish to use.
 
Currently, the following probes are supported as standard:
 
  • DP1009 FFv (by CTC) with a 5 mm tip and 5 m cable 
  • DP1009 FFv (by CTC) with a 5 mm tip and 7 m cable 
  • DP1001 (by CTC) with an 8 mm tip and 5 m cable 
  • DP1001 (by CTC) with an 8 mm tip and 9 m cable 
  • DP1007 (by CTC) with an 11 mm tip and 5 m cable 
  • DP1007 (by CTC) with an 11 mm tip and 9 m cable 
More probes can be supported upon request. Individual sensitivity should be validated prior to installation.


 

Calibrations

As a standard, the PCH Prox Box offers the following calibrations.
  • Test target metal: 42CrMo4 (DIN 1.7225) 
  • Thickness, test target: >5 mm
  • Operating distance: -10 V, approx. 1.4 mm 
  • Output: 4 V/mm or 8 V/mm, -2 to -18 VDC (±10 %) 
  • Certificate: Each driver/channel comes with an individual calibration certificate
Other calibrations can be offered against sample materials. In addition, probes can be validated if delivered by PCH Engineering A/S.

 



 

Casing

The proximity driver is prepared for DIN rail installation with an IP20 DIN rail enclosure with screw terminals.



 

Alarm functionality

Each channel is monitored for Out of Range/Sensor Error. LED lights on the front panel indicate the status of each channel as green, yellow or red accordingly.



 




 









 
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