Metrohm 856 Conductivity Module User Manual download pdf (Page 24)

3.4 Connecting USB devices

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856 Conductivity Module

You can, for example, connect an 849 Level Control (fill level monitoring

in a canister) or a 731 Relay Box (switch box for 230/110 volt alternating

current sockets and low-voltage direct current outlets). The Remote Box

also has an MSB socket at which a further MSB device, e.g. a dosing

device or a stirrer, can be connected.

You will find precise information concerning the pin assignment of the

interface on the Remote Box in the appendix.

3.4 Connecting USB devices

3.4.1 General

The 856 Conductivity Module has two USB connectors (type A sockets) for

peripheral devices with USB interfaces. The 856 Conductivity Module

functions as a USB hub (distributor) no matter how it is operated. If you

wish to connect more than two devices to the USB, you can also use an

additional, commercially available USB hub.

CAUTION

If you operate the 856 Conductivity Module with the aid of the Touch

Control, take care to ensure that the Touch Control is switched off

when you set up or disconnect connections between the various instru-

ments. If you use a PC software to control the 856 Conductivity Mod-

ule, you should exit the program before you set up or disconnect the

USB connections.

3.4.2 Connecting a USB hub

If you wish to connect more than two devices to the USB connector of the

856 Conductivity Module, you can also use an additional commercially

available USB hub (distributor). If you operate the 856 Conductivity Mod-

ule with the help of the Touch Control, then you should use a USB hub

with its own power supply.

Connect the USB hub as follows:

Switch off the Touch Control and/or exit the PC software.

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Metrohm 856 Conductivity Module User Manual Page 24