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ACH580 E-Clipse bypass and packaged drive user manual
Embedded fieldbus
N2 protocol technical data – system
System overview
The N2 Fieldbus connection to the system is based on an industry standard RS-485
physical interface. The N2 Fieldbus protocol is a master-slave type, serial
communication protocol, used by the Johnson Controls Metasys® system. In the
Metasys architecture the N2 Fieldbus connects object interfaces and remote
controllers to Network Control Units (NCUs).
The N2 Fieldbus can also be used to connect the system to the Metasys Companion
product line.
This section describes the use of the N2 Fieldbus with the E-Clipse Bypass
connection.
Supported features
In the N2 Fieldbus protocol the ACH580 and E-Clipse Bypass may appear as a
“virtual object”.
A virtual object is made up of:
• Analog Inputs
• Binary Inputs
• Analog Outputs
• Binary Outputs
• Internal values for Floating point, Integer, and Byte values.
ACH580
Analog Inputs
Binary Inputs
Internal values, Float, Integer, Byte
Analog Outputs
Binary Outputs
Virtual Object
Metasys
Note: Metasys inputs are drive outputs and
drive inputs are Metasys outputs
E-Clipse Bypass
Analog Inputs
Binary Inputs
Internal values, Float, Integer, Byte
Analog Outputs
Binary Outputs
Virtual Object
Metasys
Summary of Contents for ACH580 Series
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