System limits
11
Building Technologies 048_DMS_NK8237_ICC_MP4.40_A6V10316241_a_en.doc
Fire Safety & Security Products 06.2011
3 System limits
The following describes the system limits for the NK8237 units.
Fire control units
The following control units are supported:
FC2020
FC2030
FC2040
FC2060
FT2040
FC722
FC724
FC726
FT744
Fire system topologies and max.connectivity
Up to 4 FC20xx/FC72x control units in Ethernet topologies.
Up to 16 units in FCnet topologies via SAFEDLINK, in mixed Ethernet/FCnet
topologies, and in Extended networking topologies.
Fire control unit software version
FS20 Sinteso MP3.0; MP3.0 SR2
FS720 Cerberus PRO IP2; IP3; MP3.0 SR2
Detectors
Max 10,000. This includes all the physical elements of the FC20/FC720 control
units.
Modbus device/station
One Modbus protocol can be handled, either serial or TCP/IP:
Serial connection: one link as Modbus slave in RTU mode over an RS232 or
RS485 line.
TCP/IP connection: Modbus server for one TCP/IP client connection. Separate
Ethernet ports can be used for BACnet/IP and Modbus TCP/IP for maximum
protection of the safety network.
Interaction capabilities
Unlike other NK8000 units, the NK8237 does not support interactions.
I/O modules locally connected via I
2
C
Unlike other NK8000 units, the NK8237 does not support DF8000 I/O modules.
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