Fieldbus control 305
On the N2 fieldbus each ACS320 drive can be accessed by the full complement of
Metasys FMS features, including Change-of-State (COS) monitoring, alarm
notification, scheduling, trend, and totalization.
On one N2 fieldbus segment there can be up to 32 nodes while integrating ACS320
drives with Johnson Controls Metasys.
Drive device type
For the Metasys and Metasys Companion products, the device type for the ACS320
drive is VND.
N2 analog input objects
The following table lists the N2 analog Input objects defined for the ACS320 drive.
1.RATED SPEED is a percent of maximum frequency (parameter 2008) if the drive is in scalar mode, and is a
percent of maximum speed (parameter 2002) in speed mode.
N2 Analog Inputs:
Number Object
Drive
Parameter
Scale
Factor
Units Range
AI1 OUTPUT FREQUENCY 0103 10 Hz 0…250
AI2 RATED SPEED Note 1 10 % 0 …100
AI3 SPEED 0102 1 rpm 0 …9999
AI4 CURRENT 0104 10 A 0…9999
AI5 TORQUE 0105 10 % -200…200
AI6 POWER 0106 10 kW 0…9999
AI7 DRIVE TEMPERATURE 0110 10
°C0 …125
AI8 KILOWATT HOURS 0115 1 kWh 0…65535
AI9 MEGAWATT HOURS 0141 1 MWh 0…65535
AI10 RUN TIME 0114 1 H 0…65535
AI11 DC BUS VOLTAGE 0107 1 V 0…999
AI12 OUTPUT VOLTAGE 0109 1 V 0…999
AI13 PRC PID FEEDBACK 0130 10 % 0…100
AI14 PRC PID DEVIATION 0132 10 % 0…100
AI15 EXT PID FEEDBACK 0131 10 % 0…100
AI16 EXT PID DEVIATION 0133 10 % 0…100
AI17 LAST FAULT 0401 1 fault code
AI18 PREV FAULT 0402 1 fault code
AI19 OLDEST FAULT 0403 1 fault code
AI20 AI 1 ACTUAL 0120 10 % 0…100
AI21 AI 2 ACTUAL 0121 10 % 0…100
AI22 AO 1 ACTUAL 0124 10 mA 0…20
AI24 MOTOR TEMP 0145 1
°C0…200
AI25 REVOLUTION CNT 0142 1 MREV 0…32767
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