NK8000 Versions, System Limits and Compatibility

NK823x Versions

  • NK823x Hardware:
    • NKM8001-A2
    • NKM8001-A1
  • NK823x Kernel:
    • NKM8001-A2: Linux 2.6.32.41 #211 Thu Dec 10 18:41:36 CET 2013 ppc (DMS8000 MP4.70, MP 4.80, and MP4.81)
    • NKM8001-A1: Linux 2.6.32.41 #216 Thu Dec 12 08:11:34 CET 2013 ppc
    • NOTE: Higher versions are typically OK, check with customer support.
  • Compatible versions (for maximum security, replace them with latest version):
    • NKM8001-A2: Linux 2.6.32.41 #39 Tue Apr 17 15:25:23 CEST 2012 ppc (DMS8000 MP4.50)
    • NKM8001-A1: Linux 2.6.32.41 #40 Tue Apr 17 15:27:30 CEST 2012 ppc (DMS8000 MP4.50)
    • NKM8001-A2: Linux 2.6.32.41 #150 Thu Dec 20 08:32:18 CET 2012 ppc (DMS8000 MP4.60)
    • NKM8001-A1: Linux 2.6.32.41 #149 Thu Dec 20 08:12:06 CET 2012 ppc (DMS8000 MP4.60)
  • NK823x firmware:
    • NK8000 3.1 B0009
    • NOTE: Higher versions are typically OK, check with customer support.

NK823x Subsystems Compatibility

The following subsystems can be connected to the NK823x Ethernet Port:

  • CS11 AlgoRex (via CK11 and MK7022/Cerloop)
  • FC700A Synova (via FG700A)
  • STT20 (via MK7022/Cerloop)
  • STT11 (via MK7022/Cerloop)
  • MK7022/Cerloop
  • SI400 Sintony (via serial line)
  • DF8000 (via I2C and/or serial line), see DF8000 Reference

NK823x Connectivity Limits

  • 1 NK823x per BACnet network
  • Up to 4 downstream connections per NK823x, on the 5 possible communication lines: the 4 COM ports and the I2C line for DF8000. A configuration including all five connections is not supported.
  • Max. 50 subsystems (CC11, CI11, CK11, STT11, STT20, SI400 Sintony, DF8000) per NK823x
  • Max. 16 C-Bus stations (CT11, CC11, CI11, CK11) per AlgoRex fire system
  • Max. 2 CK11 gateways per AlgoRex fire system (8 CC11/CI11 panels per CK11)
  • Max. 900 intrusion objects per Sintony intrusion panel
  • Max. 25,000 objects (~10,000 physical points) per NK823x

NOTE: After the NK823x unit download, check the connectivity load on your system:

  1. In System Browser, select Management View.
  1. Select the main NK823x node.
  1. In the Extended Operation tab, see the following properties:
  • Last download subsystems count
  • Last download objects count

NK823x Onboard I/O Specifications

3x Digital Inputs:

  • Suitable to NO or NC dry contacts or open collector signals
  • Max forward current: 7 mA at 33Vdc
  • Over voltage protection on input lines: 1K V
  • Input voltage limit: 33V

1x Relay Output:

  • NO or NC contact
  • Max 1A at 30 Vdc

Unsupported features in NK823x for Desigo CC compared to NK823x for DMS8000

  • Local and network-wide NK8000 interactions
  • Secure communication (CEI 79 with encryption)
  • Firewall and routing functionality
  • Logging
  • Network redundancy
  • Web Server
  • Time synchronization from NTP server
  • Modbus gateway functionality
  • SNMP
  • IEC 60870-5-104 gateway functionality