User Manual

20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
Appendix A
Specifications
Appendix A presents the specifications for the adapter.
Communications
Electrical
Mechanical
Environmental
Topic Page
Communications
A-1
Electrical A-1
Mechanical A-1
Environmental A-1
Regulatory Compliance A-2
Network
Protocols
Data Rates
- Modbus RTU
- Metasys N2
- Siemens Building
Technologies P1 FLN
Modbus RTU
Metasys N2
Siemens Building Technologies P1 FLN
4800, 9600, 19200, or 38400 baud
9600 baud
4800 or 9600 baud
Drive
Protocol
Data Rates
DPI
125 kbps or 500 kbps
Consumption
Drive
Network
150 mA at 5 VDC supplied by the host (for example, drive)
None
Dimensions
Height
Length
Width
19 mm (0.75 inches)
86 mm (3.39 inches)
78.5 mm (3.09 inches)
Weight 85g (3 oz.)
Temperature
Operating
Storage
-10…50°C (14…122°F)
-40…85°C (-40…185°F)
Relative Humidity 5…95% non-condensing
Atmosphere Important: The adapter must not be installed in an area where the
ambient atmosphere contains volatile or corrosive gas, vapors or dust.
If the adapter is not going to be installed for a period of time, it must be
stored in an area where it will not be exposed to a corrosive
atmosphere.