background image

RHINO MOTION CONTROLS 

RMCS-1120  
Hybrid Servo Driver with Modbus RTU communication 
(Max. 50Vdc and 7A per phase)  

 

http://www.rhinomc.com 
 

Page 8 

 

Hybrid AC Driver [RMCS-1120] 

Where, 

PP_GAIN 

Position Error Proportional Gain in Position Control Loop 

PFF_GAIN  

Input Velocity Feedforward Gain in Position Control Loop 

PD_GAIN 

Position Error (Derivative) Damping Gain in Position Control Loop 

PV_GAIN 

Velocity Error Proportional Gain in Velocity Control Loop 

IV_GAIN 

Velocity Error Integral Gain in Velocity Control Loop 

DV_GAIN 

Velocity Error (Derivative) Damping Gain in Velocity Control Loop 

C_LIMIT 

Current Command Limit Variable to reduce overheating in specific applications 

CP_GAIN 

Current Error Proportional Gain in Current Control Loop 

CI_GAIN 

Current Error Integral Gain in Current Control Loop 

C_TRIGGER 

Overload Current Trigger Level setting for LED Display 

FLT_TIME_CNST 

Input Pulse Train IIR filter Time Constant setting 

PFA_GAIN 

Input Acceleration Feedforward Gain In Position Loop 

I_MUL 

Input Pulse Train Multiplier to reduce Output Speed 

SLVADDR 

Slave Address of Device for Modbus RTU Communication 

ENC_PPR 

The Encoder CPR setting for the Motor 

M_POLES 

The Number of Poles in the Motor 

Note:

 The Current Limit and the Current Trigger Level are application specific parameters. 

Additional Commands 

Parameter 

Description 

Address  

Decimal 
Address 

Data Type 

Default 

Max 

V_COMD 

 

Velocity Command 

 

0X2000 

8192 

Signed 

 

200 

A_COMD 

 

Acceleration 
Command 

 

0X2001 

8193 

signed 

 

25 

1000 

M_COMD 
 

Motion Command 

 

0X2002 

8194 

signed long 

 

M_STATE 

 

Motion Status 

 

0X2004 

8196 

signed 

 

P_ERROR 

 

Position Error 

 

0x2005 

8197 

signed 

 

C_POS 

 

Current 32bit POS 

 

0X2006 

8198 

Signed long 

 

C_Angle 

Current Angle 

0X2008 

8200 

signed 

Summary of Contents for RMCS-1120

Page 1: ...RHINO MOTION CONTROLS RMCS 1120 Hybrid Servo Driver with Modbus RTU communication Max 50Vdc and 7A per phase http www rhinomc com Page 1 Hybrid AC Driver RMCS 1120 Installation Manual and Datasheet...

Page 2: ...tion for the motor outputs over voltage and under voltage protection and will survive accidental motor disconnects while powered up The RMCS 1120 delivers a low voltage servo performance using a field...

Page 3: ...d by load Servo Loop Speed 500 1000 Hz Power Dissipation 0 15 Watts Short Circuit Current 7 10 Amps In case of motor terminal short PUL and DIR Voltage 2 5 7 Volts DC Between and input pins Ambient Te...

Page 4: ...ve may damage the drive Voltage in excess of 7V between the PULSE and PULSE or DIR and DIR or ENA and ENA input terminals may damage the opto isolators Reverse voltage in excess of 7V between the PULS...

Page 5: ...GREEN Motor Coil Phase A Terminal 4 A YELLOW Motor Coil Phase A Terminal 5 B WHITE Motor Coil Phase B Terminal 6 B BLUE Motor Coil Phase B Pulse and Direction Input Assignments Terminal No Terminal Na...

Page 6: ...Direction RS 485 Command Port A 2pin command port is available on the drive for debug and tuning routines The communication is based on Modbus RTU the drive works as Modbus Slave and its register map...

Page 7: ...Table Parameter Description Address Decimal Address Data Type Default Max PP_GAIN Position P Gain 0X0000 0 Signed 256 30000 PFF_GAIN Feed Forward Gain 0X0001 1 signed 50 30000 PD_GAIN Position D Gain...

Page 8: ...ror Integral Gain in Current Control Loop C_TRIGGER Overload Current Trigger Level setting for LED Display FLT_TIME_CNST Input Pulse Train IIR filter Time Constant setting PFA_GAIN Input Acceleration...

Page 9: ...STATE The state of the Motion Profile State Machine P_ERROR The Position Error between Commanded and Current Position Realtime C_POS The Current Encoder Position 16 bit Realtime C_Angle The Commutatio...

Page 10: ...cond Data bits 8 Parity None Stop Bits 1 Motion Profiler Status 8196 Supported Functions 0 Motor Start Start Operation 03 Read Single Multiple Registers 1 Running Command Running Read Only 06 Write Si...

Page 11: ...Motion SDA 0x06 0x20 0x02 Value 0xFFFF 8 Value 0xFF CRC16 SDA 0x06 0x20 0x03 Value 24 Value 0xFFFFFF 16 CRC16 Motion Status SDA 0x06 0x20 0x04 Value 8 Value 0xFF CRC16 Power Supply Selection The gener...

Page 12: ...nstallation or handling Drive is not powering up no LED Check that the connectors to the drive are tightly plugged in Check the supply voltage is adequate and in correct polarity Drive might be damage...

Page 13: ...er phase http www rhinomc com Page 13 Hybrid AC Driver RMCS 1120 Control Signal Connection NPN pull down In this connection technique all the signal ve inputs are connected to a common high voltage VC...

Page 14: ...ol Signal Connection PNP pull up In this connection technique all the signal ve inputs are connected to a common low voltage GND The opto isolators LED is turned on by a pull up on the Ve terminals by...

Page 15: ...p www rhinomc com Page 15 Hybrid AC Driver RMCS 1120 2 phase 4 lead Motors Connections 4 lead motors are the least flexible but easiest to wire Speed and torque will depend on winding inductance In se...

Page 16: ...ilable here http rhinomc com downloads Hybrid_Servo_Tuner_Setup_Modbus exe The software is compatible with Windows XP and later operating systems including Windows 7 8 and 10 Both 32 bit and 64 bit ve...

Page 17: ...RMCS 1120 Then it will show the install path and shortcut folder in start menu Click next and then finish on the next screen to finish the installation To start the software you can go to Start Menu...

Page 18: ...al to RS485 converter as shown in image below D and D Lines needs to be connected between drive and converter After connecting and installing the driver you need to make sure that hardware or virtual...

Page 19: ...ton for Available Slaves It will search from 1 to 247 slaves for response If it gets a response the slave will be added in drop down You can see the progress in status bar It will take a lot of time t...

Page 20: ...drive to a file and load it when required On opening such saved file all the parameters will be written to the drive and drive will immediately start responding according to the new parameters In case...

Page 21: ...Actual 32 bit position of encoder from startup or set position 3 Approximate speed in RPM 4 Exact angular positon of encoder in counts and degrees 5 Approximate current This data is also shown in grap...

Page 22: ...the text box Speed will change immediately if you press button or enter when in textbox Speed will change even when motor is running Acceleration can be set same as speed This acceleration works only...

Page 23: ...irection M100 M 100 M1000 M 1000 M4000 and M 4000 commands will work same as M but with fixed number of steps The RMCS 1120 drive supports absolute 32 bit positon output on modbus This means that the...

Page 24: ...ve gone through this entire installation manual and datasheet before deciding that your product is liable for replacement or repair under this 6 month warranty Customer shall prepay shipping charges f...

Reviews: