Metrohm 891 Professional Analog Out - Manual (Page 14)

5.2 Connecting the 891 Professional Analog Out
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891 Professional Analog Out
NOTE
The total length of all 6.2156.0x0 connecting cables between the ion
chromatograph and the 891 Professional Analog Out must not exceed
3.5 m.
Connecting the digital input
1 Connect the cable (6.2156.070) to the connector Digital Input of the
891 Professional Analog Out.
2 Depending on the instrument, connect the other end of the cable to
one of the following connectors:
On the instrument … … to the connector …
850 Professional IC / 940 Professional
IC Vario Extension Module
872 Extension Module / 942 Extension
Module Vario Out
881 Compact IC pro Auxiliary
882 Compact IC plus Auxiliary
930 Compact IC Flex Auxiliary
Connecting the analog outputs
The cable (6.2128.200) has a plug on one end which fits to the analog
outputs of the 891 Professional Analog Out. On the other end, a plug fit-
ting to the target device must be mounted.
This is supported by the following color code:
￭ Green cable = positive voltage.
￭ Brown cable = negative voltage.
￭ White cable = negative voltage.
￭ Grounding
1 Connecting the analog cable to the 891 Professional Analog
Out
￭ Connect the plug of the cable (6.2128.200) (4-1) to the required
socket. Observe the alignment of the three contact pins.
￭ Tighten the knurled screw (4-2) at the front end of the plug by
hand in clockwise direction to secure the plug.