Leuze electronic MA 21 Technical Description page 14

Specifications of the MA 21
Operational controls of the MA 21 100.2
Bus termination,
see table
Figure 3.5: Front view: Control elements of the MA 21100.2
Particularities:
• no separate voltage supply
• connection option for switching input/switching output
• for RS 232 devices with system connector (RFM 12, RFM 32, RFM 62, BCL 21,
VR-KB)
12
Address setting
Reset
MA 21
Operating mode
see table
RFMxx connection
Service plug
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