Chapter 3 To Use External DMM RIGOL
M300 User’s Guide
5 Connect the signals to be measured into the external DMM
Connect the analog bus interface at the rear panel of M300 and the
measurement signal input terminal at the front panel of the external DMM using
the analog bus external port (option, as shown in the figure below).
Note: When connecting the external DMM, the 5 terminals of the analog bus
external port should be connected to the measurement signal input terminals of
the external DMM according to the corresponding relations (as shown in the
table below) between the numbers of the colored rings on the analog bus
external port terminals and the measurement signal input terminals of the
external DMM.
Corresponding Input Terminal
If only a single multiplexer module is used, you can connect the corresponding
terminals (as shown in the figure below) on the external terminal block to the
measurement signal input terminal of the external DMM.
M3TB20/M3TB32 M3TB64 M3TB24
Connect to the analog bus
interface of M300
Connect to the measurement signal
input terminals of the external DMM