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Serial Interface (Modbus RTU)
Status Word (ID 2101)
Information on the device status and messages are defined in the status word:
Description
Bit
Value = 0
Value = 1
0
Drive not ready
Ready for operation (READY)
1
Stop
Running operation message (RUN)
2
Clockwise rotating field (FWD)
Anticlockwise rotating field (REV)
3
No fault
Fault detected (FAULT)
4
No warning
Warning active (ALARM)
5
Acceleration ramp
Frequency actual value equals setpoint value definition
6
—
Zero speed
7
Speed control deactivated
Speed control activated
8–15
Not used
General Status Word (ID 2102)
Description
Bit
Value = 0
Value = 1
0
—
Control level = Fieldbus (BUS)
1
—
Setpoint input = Fieldbus (BUS)
2–10
Not used
11
Remote input not active
Remote input active
The status of a selected digital input (P3.28) is read out
12
Actuation (P3.37) not active
Actuation (P3.37) active
13
—
Control level = Control signal terminals (I/O)
14
—
Control level = KEYPAD
15
—
Control level = Fieldbus (BUS)
Actual Speed (Frequency Actual Value)
The actual speed of the frequency inverter is within a value range of 0 and 10,000. In the
application, this value is scaled to a percentage in the frequency range between the defined
minimum and maximum frequencies.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
MSB
1
0
LSB
M-Max Series Adjustable Frequency Drive MN04020003E—April 2011 www.eaton.com
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