Ports Of The Azl51 - Siemens LMV51 Series Basic Documentation

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Siemens Building Technologies
HVAC Products

6.2 Ports of the AZL51...

The AZL51... has 3 ports:
· Port for the basic unit: CAN bus including power supply for the AZL51...
(Sub-D connector on the underside of the AZL51...)
· Port for the PC / laptop: RS-232
(Sub-D jack under the cover of the AZL51... front)
· Port for the BMS
including power supply for the external e-bus interface (RJ45 jack on the underside of
the AZL51...)
COM2
External
e-bus interface
(incl. galvanic separation)
e-bus
BMS
The AZL51... menu («Operation» ® «Select operating mode») offers the following
choices:
Interface PC
-
Gateway BMS on
-
Gateway BMS off
-
The CAN connection to the basic unit can simultaneously be combined with only one of
the 2 ports, either «Interface PC» or «Gateway BMS».
Basic Documentation LMV51...
6 Display and operating unit AZL51...
AZL
µC
COM1
Max. 3 m
Max. 100 m
Changeover
via AZL menu
PC
CC1P7550en
29.05.2002