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The 2-channel plug-in acquisition modules from the encoder are easy to change and include signal condition, anti-aliasing-filter, A/D converter. All channels will simultaneous sampling. All acquisition modules are manage at CTP-Controller and encoded PCM output to the radio transmitter. Finally PCM data is transmitted via radio frequencies to the receiver.

Various configurations of different sensor modules are available incl. signal conditioning for strain gages (STG), thermocouples type K (TH-K), ICP sensors, potentiometer sensors (POT) and also voltage inputs. Mixed configuration available (2-CH-steps). All sensor modules are software programmable via LAN-Adapter. The LAN-Adapter has an integrated web interface and enables easy access!

The stationary receiver (Decoder) provides 4, 8 or 16 +/-10V analog outputs via Sub-D male socket (option: digital PC interface). The analog signal bandwidth can reach up to 24kHz with 5Mbit transmitter in 4-channel mode. The measurement accuracy is <±0.2 % (without sensor). The CTP4/8/16 is specified for operational temperatures from -20° C to +70° C. The maximum distance between transmitter and receiving antenna is approx. 150 m – depending on the application and bitrate!

Product specifications

  • inputs for STG, TH-K, ICP or VOLT
  • simultaneous sampling
  • 16 bit resolution
  • software programmable
  • signal bandwidth up to 24kHz (4-CH)
  • powering 7-30 V
  • radio telemetry transmission
  • output analog +/- 10 V (Decoder)
  • digital data interface to PC (option)
  • waterproofed ENC housing (IP65)

Cut-off frequency of anti-aliasing filter (-3 db) (* = sampling rate)

Bit-Rate 4-Channels 8-Channels 16-Channels
5000 kbit/s 24000 Hz max. (*62500) 12000 Hz (*31250) 6000 Hz (*15625)
2500 kbit/s 12000 Hz (*31250) 6000 Hz (*15625) 3000 Hz (*7812.5)
1250 kbit/s 6000 Hz (*15625) 3000 Hz (*7812.5) 1500 Hz (*3906.25)
625 kbit/s 3000 Hz (*7812.5) 1500 Hz (*3906.25) 750 Hz (*1953.125)
312,5 kbit/s 1500 Hz (*3906.25) 750 Hz (*1953.125) 375 Hz (*976.56)

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