Johnson Controls SNE Series User Manual

2 Use M-Bus Repeaters to increase the length and the number of unit loads permissible.
Table 22: KNX protocol rules
Category Rules/maximums allowed
General No restrictions in topology
Number of devices Depends on chosen topology and cable type.
Line length and type Twisted pair cable recommended; length depends on cable resistance, capacitance,
number devices, position of devices, and communication speed.
Cable Type Copper, solid and stranded wires with outer sheath, one- or two-twisted pair; 0.8 to
1.0 mm (20 to 18 AWG)
Screen is required and must cover the entire diameter.
Drain wire: Diameter minimum 0.5 mm (26 AWG)
Termination No termination
Manufacturer's quality
management system
At least ISO 9002
SNE capabilities
Table 23: SNE series network engine details: SNE2200x, SNE1100x, SNE1050x, SNE110Lx
Features SNE2200x SNE1100x SNE1050x
SNE110Lx
11
Succeeds NAE55 Series NAE45 Series NAE35 Series NAE45-Lite
Communication
interfaces
• 1 Ethernet port
• 2 RS-485 ports
• 2 USB ports
22
• 1 Ethernet port
• 1 RS-485 port
• 2 USB ports
2
Maximum number of
child engines when
acting as a Site Director
3 2 2 0
Maximum allowed
devices across all
integrations. For
example, MS/TP
+IP. Includes VND
integrations and
devices brought in
through routers.
600 150 60 110
BACnet/IP maximum
trunks
1 1 1 1
BACnet/IP maximum
devices per trunk
200 100 50 10
BACnet/SC maximum
trunks
1 1 1 1
BACnet/SC maximum
devices per trunk
3
150 100 50 10
BACnet MS/TP
maximum trunks
2 1 1 1
SNE Installation Guide 19

Johnson Controls SNE Series Specifications

General

Brand	Johnson Controls
Model	SNE Series
Category	Network Hardware
Language	English