Connecting An External Device; Connecting The Rs 232 Client Interface; Connecting The Voltage Supply - Leuze electronic MA 21 Technical Description

Connection
5.4

Connecting an external device

5.4.1

Connecting the RS 232 client interface

Connection terminals: 26-28 (not for MA 21 100.2)
RS 232
Connection terminals for the RS 232 interface of an external device such as a hand-held
scanner
Terminal 26:
Terminal 27:
Terminal 28:
5.4.2

Connecting the voltage supply

Connection terminals: 15, 16, 30, 31 (not for MA 21 100.2)
Voltage supply
Various voltages are available: 5.2 V and 24 V fixed.
Terminals 15:
Terminals 16:
Terminals 30:
Terminals 31:
The 24 V client voltage supply is potential-free relative to the MA 21 voltage supply as well
as the client interface.
26
RXD
TXD
GND
24 V
GND
5.2 V ± 5 %
GND
MA 21 Leuze electronic