Bell & Gossett 176R0649C Technologic 502 Series Pump Controller - Manual (Page 49)

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AMA running Automatic motor adaptation (AMA) process is in progress.
Braking The brake chopper is in operation. Generative energy is absorbed by the brake
resistor.
Braking max. The brake chopper is in operation. The power limit for the brake resistor defined in
parameter 2-12 Brake Power Limit (kW) is reached.
Bypass Indicates the drive is operating in bypass mode, meaning the drive control is being
bypassed and the motor run off of mains power input directly.
The output frequency is corrected by the value set in parameter 3-12
Catch Up/Slow
Down Value .
1. Catch up is selected as a function for a digital input (parameter group 5-1). The
corresponding terminal is active.
2. Catch up was activated via serial communication.
1. Coast inverse has been selected as a function for a digital input (parameter group 5-
1). The corresponding terminal (e.g. Terminal 27) is not connected.
2. Coast is on 0 on serial communication
Ctrl. Ramp-down A function with Ctrl. Ramp-down was selected in parameter 14-10 Mains Failure . The
mains voltage is below the value set in parameter 14-11 Mains Voltage at mains
fault . The drive ramps down the motor using a controlled ramp down.
The motor is momentarily driven with a DC current (parameter 2-01 DC Brake
Current ) for a specified time (parameter 2-02 DC Braking Time ) .
1. DC Brake is activated (OFF) in parameter 2-03 DC Brake Cut In Speed [RPM]
and a Stop command, e.g. Stop (inverse) is active.
2. DC Brake (inverse) is selected as a function for a digital input (parameter group 5-
1). The corresponding terminal is not active.
3. The DC Brake is activated via serial communication.
Feedback high In parameter 4-57 Warning Feedback High , an upper feedback limit is set. The sum
of all active feedbacks is above the feedback limit.
Feedback low In parameter 4-56 Warning Feedback Low , a lower feedback limit is set. The sum of
all active feedbacks is below the feedback limit.
The remote reference is active and the momentarily given speed is saved.
1. Freeze output was selected as a function for a digital input (Group 5-1). The
corresponding terminal is active. Speed control is only possible via the terminal
functions speed up and speed down.
2. Hold ramp is activated via serial communication.
Freeze output
request
A freeze output command has been given, but the motor will remain stopped until a
run permissive signal is received via a digital input.
Freeze Ref. Freeze Ref. was chosen as a function for a digital input (parameter group 5-1). The
corresponding terminal is controlled. The drive saves the actual reference. Changing
the reference is now only possible via terminal functions speed up and speed down.
Jog request A JOG command has been given, but the motor will be stopped until a r un permissive
signal is received via a digital input.
Coast
Current High In parameter 4-51 Warning Current High , a current limit is set. The output current of
the drive is above this limit.
Catch up
Current Low In parameter 4-52 Warning Speed Low , a current limit is set. The output current of the
drive is below this limit.
DC Hold The motor is driven with a permanent DC current, parameter 2-00 DC Hold Current .
DC hold is selected in parameter 1-80 Function at Stop . A Stop command, e.g. Stop
DC Stop
Feedback low In parameter 4-56 Warning Feedback Low , a lower feedback limit is set. The sum of
all active feedbacks is below the feedback limit.
Freeze output
Table 7-1. Status Message Definitions (continued)