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31 Appendix
917 Coulometer
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297
31.5 Remote interface
The 6.2148.010 Remote Box allows devices to be controlled which cannot
be connected directly to the MSB interface of the Coulometer.
Figure 19 Connectors of the Remote Box
1
Cable
For connecting to the Coulometer.
2
MSB connector
Metrohm Serial Bus. For connecting external
dosing devices or stirrers.
3
Remote connector
For connecting instruments with a remote
interface.
31.5.1 Pin assignment of the remote interface
Figure 20
Pin assignment of remote socket and plug
The above figure of the pin assignment of a Metrohm remote interface
applies not only for the Remote Box, but also for all Metrohm devices with
25-pin D-Sub remote connector.
Inputs
approx. 50 kΩ Pull-up
t
p
> 20 ms
active = low, inactive = high