User Manual
System configuration
Devices
22
CM110664en_07 327 | 351
22.4.13 PXM20 operator unit
Item Limit Description
PX (no PXC3) 50 Number of PX that can be operated.
The visibility of the PX automation stations can be limited on the
BACnet network. This is only useful if the site is restricted to one
BACnet network.
For hardware series A devices (1 MB memory), the number of PX
automation stations per site should be limited to 30.
Alarm administration Only the alarms from the site where the user is logged on are
displayed (PXM20 self-registers as temporary alarm recipient for
all devices of a site).
BACnet objects in alarm per site 50* Maximum number of BACnet objects per site.
The administration of the number of BACnet objects in alarm per
site is limited. Others cannot be displayed or operated in Alarm
Viewer when there are more BACnet objects in alarm.
Alarm History 50* Maximum number of entries in the Alarm History. The oldest
entries are deleted when this limit is exceeded.
22.4.14 PXM10 operator unit
Item Limit Description
PX (no PXC3) 1* Only the connected automation station / system controller can be
operated.
Alarm administration Management of the alarms of the PXC to which the PXM10 is
connected.
BACnet objects in alarm per PXC 25* Max. number of BACnet objects in alarm per PXC.
The management of the number of BACnet objects in alarm per
PXC is limited. Others cannot be displayed or operated in Alarm
Viewer when there are more BACnet objects in alarm.
22.4.15 Desigo Control Point
22.4.15.1 Device-related limits
Function Touch panel BACnet/IP BACnet/IP web interface
PXM30.E PXM40.E
PXM50.E
PXG3.W100-1 PXG3.W200-1
Generic operation
All data points of all assigned devices
Graphical operation (BACnet objects)
500 1,000 1,000 2,000
Haystack interface (BACnet objects)
500 1,000 1,000 2,000
Online trends
20 20 20 50
Graphics (average complexity)
20 20 20 50