Rockwell Automation MD60 AC Drive

1. Basic parameters (examples of key parameters)

P031/P032/P033: The rated voltage, frequency, and overload current of the motor must be set according to the motor nameplate.

P034/P035: Minimum and maximum output frequencies.

P036: Start source selection (0=keyboard, 1=3-wire control, 2=2-wire control, 5=RS485).

P037: Stop mode (0=Slope stop, 1=Free parking, 2=DC braking).

P038: Speed reference source (0=keyboard potentiometer, 2=0~10V analog input, 5=RS485).

P039/P040: Acceleration and deceleration time 1.

2. Advanced parameters (common functions)

A051/A052: Digital input function selection, which can be set as jog, preset frequency, fault reset, etc.

A067/A068: Acceleration and deceleration time 2.

A078/A079: Jogging frequency and acceleration/deceleration time.

A080/A081: DC braking time and current.

A091: PWM carrier frequency (2~16kHz), increasing the frequency can reduce motor noise, but attention should be paid to reducing capacitance.

A105: Communication loss action (0=fault stop, 3=maintain last speed).

3. Display parameters (monitoring class)

D001: Output frequency

D003: Output current

D006: Driver Status Word

D007-d009: Fault History Record

Communication configuration (RS485/MDI protocol)

MD60 supports RS485 multi station network and adopts Modbus RTU mode.

Wiring method: Use twisted pair shielded cables, only connect pin 4 (D+) and pin 5 (D -) of the RJ45 interface, and install 120 Ω terminal resistors at both ends of the network.

Parameter settings:

A103: Communication baud rate (default 19.2kbps)

A104: Node address (1-247)

A107: Communication format (default 8-N-1)

Control and monitoring: The driver can be controlled by writing registers 8192 (logic command) and 8193 (speed reference), and the status can be obtained by reading registers 8448 (logic state) and 8449 (fault code).

Fault diagnosis and handling

When the drive fails, the keyboard displays a fault code and flashes the FAULT LED. Common faults and their solutions are as follows:

Fault code description, possible causes, and handling measures

F3/F4 power loss/undervoltage check input power supply, fuse

F5 overvoltage check power supply voltage, extend deceleration time or install braking resistor

F7 motor overload check load, adjust P033 (motor overcurrent protection value)

F8 radiator overheating check cooling fan, clean radiator, reduce ambient temperature

F12 hardware overcurrent check motor insulation and cable connection, reduce startup boost voltage

F13/F38~F43 grounding/phase to phase short circuit inspection motor and output cable insulation

F81 Communication Loss Check Network Wiring, Terminal Resistance, Node Address

The fault can be cleared by pressing the stop button, turning off the power, setting A100=1, or using a digital input (set as fault reset). The automatic restart function (A092/A093) can be used for self-healing faults, but caution should be exercised when enabling it.

Appendix and Accessories

Dynamic braking resistor: used for rapid braking, selected according to the driver and voltage level (see Appendix E).

EMC filter: suitable for occasions that require compliance with electromagnetic compatibility standards.

Operation Panel (OIM): Provides remote control and monitoring functions, supports CopyCat keyboard copying function.

RJ45 splitter: used to connect multiple peripheral devices (such as keyboards and communication modules).