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

Legacy DMS Connectivity Limits

 

Maximum

NK823x adapter per BACnet network

1

Downstream serial connections per NK823x

4 (note 1)

Subsystems (CC11, CI11, CK11, STT11, STT20, SI400 Sintony, DF8000) per NK823x

50

Subsystems (CC11, CI11, CK11, STT11, FC20, FT20, STT20) per Cerloop via MK7022/NK823x

40

C-Bus stations (CT11, CC11, CI11, CK11) per AlgoRex fire system

16

CK11 gateways per AlgoRex fire system (8 CC11/CI11 panels per CK11)

2

NOTES

  1. 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. 900 intrusion objects per Sintony intrusion panel

Legacy DMS Connectivity Limits

 

Maximum

Configured objects per NK823x

25,000 (note 1)

NOTES

  1. In DMS configurations, 25,000 configured objects correspond to about 10,000 physical points (detectors, actuators, and so on).

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
    NOTE: In replacing NK823x with Scalance S615 as a router, refer to the application guide Scalance S615 Router for SAFEDLINK Fire Networks (A6V13357580).
  • Logging
  • Network redundancy
  • Web Server
  • Time synchronization from NTP server
  • Modbus gateway functionality
  • SNMP
  • IEC 60870-5-104 gateway functionality