OTT CBS, Руководство по эксплуатации, Страница: 14 / 28

6.4 Connecting the OTT CBS to LogoSens 2 or DuoSens using an
SDI-12 interface
Method A: Connect the OTT CBS via the SDI-12 interface (protocol and physical
interface: SDI-12). The maximum length of the cable is 70 m. Recommended
cable cross-section: 0.25 mm
2
:
䡵
Connect the OTT CBS as shown in Figure 9 to the LogoSens 2 Station Manager
or to the DuoSens Compact Data Logger. Take note of the operating instructions
for the LogoSens 2/DuoSens.
Method B: Connect OTT CBS using the physical RS-485 interface (SDI-12 pro-
tocol via physical RS-485 interface). The maximum length of the cable is 1,500 m.
Recommended cable type: Unshielded twisted-pair cable; recommended cable
cross-section: 0.25 mm
2 :
䡵
Connect the OTT CBS as shown in Figure 10 to the LogoSens 2 Station Manag-
er or to the DuoSens Compact Data Logger. Take note of the operating instruc-
tions for the LogoSens 2/DuoSens.
RS-485
input
A … R
4 3 1 2
4 3 1 2
LogoSens 2
RS-485
input
A
CBS
4 3 1 2
4 3 1 2
DuoSens
B
CBS
B
Fig. 10: Connecting the OTT CBS to
LogoSens 2 or DuoSens using an
RS-485 interface (SDI-12 protocol).
The letters above/below the screw terminal
strip identify the possible connections on
the LogoSens 2/DuoSens/CBS.
0 V
SDI-12
input
T A … R
4 3 1 2 4 3 1 2
4 3 1 2
LogoSens 2
SDI-12
input
A
CBS
4 3 1 2
4 3 1 2
DuoSens
B
CBS
B
Fig. 9: Connecting the OTT CBS to LogoSens
2 or DuoSens using an SDI-12 interface.
The letters above/below the screw terminal
strip identify the possible connections on
the LogoSens 2/DuoSens/CBS.
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