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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 7 Display and operating unit AZL5... 13.08.2004
7.2.1 Port for the PC
Communication with the PC takes place via the COM1 port of the AZL5… .
The PC software ACS450 offers the following operating functions:
• Readout of settings, operating states, types of error, and points in time the errors oc-
cur (LMV5...)
• Graphic support for setting FARC
• Parameterization of the LMV5...
• Trend recording (write function)
• Printout functions for documenting the plant settings
• Program update of the AZL5…
For the standard operating functions, the following transmission parameters have been
set:
• 19,200 bit / s
• 8 data bits
• No parity
• 1 stop bit
During the program update of the AZL5…, the transmission rate between PC tool and
AZL5… is automatically increased to 38,400 bit / s.
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