Carel pCO2 Series

S&2ð
cod. Carel +030221826 rel. 2.0 dated 03/10/02
21
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The pCO
2
features connection for PT1000-type 2 lead sensors for all high-temperature applications; the operating range is -
100
o
C ÷ 200
o
C. The inputs which can accept this type of sensor are B4, B5, B9, B10. The inputs must be pre-configured for
PT1000 signals by the application software resident in the flash memory. The following shows the connection diagram:
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S&2
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SUREH SUREH SUREH SUREH
BC4 BC5 BC9 BC10 1
B4 B5 B9 B10 2
7DE
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:$51,1*6:
• In order to get a correct measurement from the PT1000 probe it is necessary to connect each probe lead to one single
terminal as shown in fig. 4.4.3.1;
• The two leads of the PT1000 probes do not have polarity. It is not necessary to respect any polarity order when connecting to
the terminal block.