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Electrical Installation
thermoMETER CSmicro
8.4
Direct Connection to an RS232 Interface on the Computer
For a bidirectional RS232 connection of the sensor the following interface circuit can be used:
MAX3381E (manufacturer: Maxim, see Chap.
).
Model
CSmi V1
CSmi V2 / V3
CSmi 2W
UART voltage (RxD)
5 V
3.3 V
3.3 V
UART voltage (TxD)
5 V
3.3 V
2.5 V
Previous sensor versions
CSmi V1 Version bis 09/2011
CSmi V2 Version bis 07/2018