Carel pCO2 Series

S&2ð
cod. Carel +030221826 rel. 2.0 dated 03/10/02
24
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The pCO
2
features up to 18 digital inputs for connecting safety devices, alarms, device status, remote triggers. These inputs are
all optically-isolated. They can work at 24Vac, 24Vdc and some at 230Vac.
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:$51,1*: separate the probe signal and digital input cables as much as possible from the inductive load and power cables, to
avoid possible electromagnetic disturbance.
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24 Vac
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G0
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G0
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The following figure represents one of the more common connection diagrams for the 24Vac digital inputs.