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Refrigerated Centrifuge for Robot Use Sigma 4-5KRL
Refrigerated Centrifuge for Robot Use Sigma 4-5KRL IVD
2 Layout and mode of operation
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Version 11/2017, Rev. 1.7.1 of 08/12/2022
• sb
Translation of the original operating manual,
2.1.3
Serial interface (pin assignment)
There is a floating, normally closed contact between pin 1 and pin 4. When
the centrifuge is started, the contact opens, thereby signalling that the
centrifuge is ready for operation.
The switching capacity is 48
VDC/1 A maximum.
1
floating, normally
closed contact (with
pin 4)
2
TxD (transmit)
3
RxD (receive)
4
floating, normally
closed contact (with
pin 1)
5
GND (ground)
6
not used
7
not used
8
not used
9
not used
Fig. 5: Pin assignment of the serial interface