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F.1 N2 Specifications and Configuration
F.1
N2 Specifications and Configuration
The bypasses can be monitored and controlled by a controller on a Metasys N2 network (N2) using RS-485 technology. The
bypass act as slaves on the N2 network.
Up to 255 bypasses can communicate on a single N2 network. If more bypasses or N2 devices are required, another N2 network
is required.
The N2 node address is configurable by a parameter in the bypass. This defines the physical address of the bypass on the N2
network.
Once the addressing is set, a controller can initiate communication to the bypass. The bypass will perform the specified function
and then send a response back to the controller.
N2 specifications appear in the following table:
Item
Interface
Communication Parameters
Protocol
Max Number of Drives
402
Metasys Field Controller
Figure F.1 Connecting Multiple Bypasses to a Metasys N2 Network
RS-485
Communication Speed: 9600 bps
Data Length: 8-bit (fixed)
Parity: None
Stop Bit: 1-bit (fixed)
Metasys N2
255 per N2 Network Segment
Z1000U Bypass Slaves
Specifications
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
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