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Functions
Optimized, flexible automation station for HVAC and building automation and control
systems
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Type summary
PXC4.M16 variants
Order number
Number of inputs and outputs (Onboard)
Number of universal inputs and outputs (UIO)
Number of relay outputs (DO)
Number of inputs and outputs (Onboard + TXM)
Number of integration data points
(Modbus RTU)
Total number TXM-I/Os and integration DPs
Number of KNX PL-Link devices
Number of configurable RS485 interfaces for Modbus RTU
integration
Number of M-bus meters wired via level converters (RS485)
1)
For details on engineering, see PXC4, PXC5 & PXC7 Planning overview, A6V13054435.
2)
KNX PL-Link data points do not count as integration points. For KNX PL-Link, only the limits on BACnet objects
are considered.
3)
The limitation is given by the maximum number of integration data points and maximum number of BACnet
objects.
2
Siemens Schweiz AG
Smart Infrastructure
System functions (alarming, scheduling, trending, access protection with individually
definable user profiles and categories)
Integrates data points and/or subsystems via Modbus RTU
Integration of wired M-bus meters via RS485 level-converter:
– Offline and/or online engineering with ABT Site. No additional M-bus tool required
– Primary and/or secondary device addressing
The following functions are available with KNX PL-Link bus:
– Communication with RDG2..KN room thermostats, sensors, and operator units
– Plug-and-play connection of Siemens field devices with KNX PL-Link
Engineering and commissioning with the ABT Site Tool using graphical function charts
Freely programmable. All function blocks, available in libraries, can be graphically
connected.
BTL tested BACnet communication on MS/TP, in compliance with the BACnet standard
including B-BC profile (Rev. 1.16)
IT security including HTTPS, IEC-62443 4-2 (Security Level 2), and BACnet Secure
Connect
BACnet Secure Connect support as BACnet/SC node
Generic operation via embedded web interface
WLAN interface for engineering and commissioning
Operating voltage AC 24 V or DC 24 V
Direct connection of field devices
DIN rail or screw mounting
Plug-in screw terminal blocks
1)
PXC4.M16S
S55375-C109
16
12
4
up to 40
0
2)
40
0
0
3)
0
PXC4.M16
S55375-C101
16
12
4
up to 40
up to 40
2)
80
2)
up to 64
1
up to 250
A6V11937668_en--_l
2023-12-22
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