Invertek Optidrive P2
High performance frequency drive for pumps, fans, compressors and machines, with speed, torque and status.
The Invertek Optidrive P2 is a high performance variable frequency drive for induction, permanent magnet and synchronous reluctance motors on pumps, fans, compressors and machines. This Modbus RTU template reads frequency, current, torque, power, temperature and trip status, and lets you start, stop and reset the drive and write speed, torque and parameters from ModbusCloud.
- Protocol
- Modbus RTU
- Connection
- RS485, 115200 baud
- Registers
- 108, read and write
- Brand
- Invertek
- Key readings
- Output frequency · Output current · Output torque · Output power · DC bus voltage · Heatsink temperature · Drive status and trip code
- Available commands
- Run and stop · Fault reset · Speed reference · Torque reference · Ramp time · Drive parameters
- Compatible models
- Optidrive P2 IP20 (ODP-2-...) · Optidrive P2 IP55 · Optidrive P2 IP66
- Last updated
Registers (108)
108 read, 97 write
| Name | Unit | Access | Address (Hidden until you enter your email) | Function (hidden) | Type (hidden) |
|---|---|---|---|---|---|
| Output Frequency | Hz | Read | |||
| Output Current | A | Read | |||
| Output Torque | % | Read | |||
| Output Power | kW | Read | |||
| DC Bus Voltage | V | Read | |||
| Drive Temperature | °C | Read | |||
| Drive Status and Error Code | Read | ||||
| Digital Input Status | Read | ||||
| Analog Input 1 Level | % | Read | |||
| Analog Input 2 Level | % | Read | |||
| Pre Ramp Speed Reference | Read | ||||
| Command Control Word | Read and write | ||||
| Command Speed Reference | Hz | Read and write | |||
| Command Torque Reference | % | Read and write | |||
| Command Ramp Times | s | Read and write | |||
| P1-01 Maximum Frequency / Speed Limit | Read and write | ||||
| P1-02 Minimum Frequency / Speed Limit | Read and write | ||||
| P1-03 Acceleration Ramp Time | Read and write | ||||
| P1-04 Deceleration Ramp Time | Read and write | ||||
| P1-05 Stop Mode | Read and write | ||||
| P1-06 Energy Optimiser | Read and write | ||||
| P1-07 Motor Rated Voltage / kE | Read and write | ||||
| P1-08 Motor Rated Current | Read and write | ||||
| P1-09 Motor Rated Frequency | Read and write | ||||
| P1-10 Motor Rated Speed | Read and write | ||||
| P1-11 Boost Voltage | Read and write | ||||
| P1-12 Primary Command Source | Read and write | ||||
| P1-13 Digital Input Function | Read and write | ||||
| P1-14 Extended Menu Access | Read and write | ||||
| P2-01 Preset Speed 1 | Read and write | ||||
| P2-02 Preset Speed 2 | Read and write | ||||
| P2-03 Preset Speed 3 | Read and write | ||||
| P2-04 Preset Speed 4 | Read and write | ||||
| P2-05 Preset Speed 5 | Read and write | ||||
| P2-06 Preset Speed 6 | Read and write | ||||
| P2-07 Preset Speed 7 | Read and write | ||||
| P2-08 Preset Speed 8 | Read and write | ||||
| P2-09 Skip Frequency Centre Point | Read and write | ||||
| P2-10 Skip Frequency Band Width | Read and write | ||||
| P2-11 Analog Output 1 Function | Read and write | ||||
| P2-12 Analog Output 1 Format | Read and write | ||||
| P2-13 Analog Output 2 Function | Read and write | ||||
| P2-14 Analog Output 2 Format | Read and write | ||||
| P2-15 Relay 1 Function | Read and write | ||||
| P2-16 Relay 1 / AO1 Upper Limit | Read and write | ||||
| P2-17 Relay 1 / AO1 Lower Limit | Read and write | ||||
| P2-18 Relay 2 Function | Read and write | ||||
| P2-19 Relay 2 / AO2 Upper Limit | Read and write | ||||
| P2-20 Relay 2 / AO2 Lower Limit | Read and write | ||||
| P2-21 Display Scaling Factor | Read and write | ||||
| P2-22 Display Scaling Source | Read and write | ||||
| P2-23 Zero Speed Holding Time | Read and write | ||||
| P2-24 Effective Switching Frequency | Read and write | ||||
| P2-25 Fast Decel Ramp Time | Read and write | ||||
| P2-26 Spin Start Enable | Read and write | ||||
| P2-27 Standby Mode Timer | Read and write | ||||
| P2-28 Slave Speed Scaling Control | Read and write | ||||
| P2-29 Slave Speed Scaling Factor | Read and write | ||||
| P2-30 Analog Input 1 Format | Read and write | ||||
| P2-31 Analog Input 1 Scaling | Read and write | ||||
| P2-32 Analog Input 1 Offset | Read and write | ||||
| P2-33 Analog Input 2 Format | Read and write | ||||
| P2-34 Analog Input 2 Scaling | Read and write | ||||
| P2-35 Analog Input 2 Offset | Read and write | ||||
| P2-36 Start Mode / Automatic Restart | Read and write | ||||
| P2-37 Keypad Start Mode | Read and write | ||||
| P2-38 Mains Loss Stop / Ride Through | Read and write | ||||
| P2-39 Parameter Lock | Read and write | ||||
| P2-40 Extended Menu Access Code | Read and write | ||||
| P3-01 PID Proportional Gain | Read and write | ||||
| P3-02 PID Integral Time Constant | Read and write | ||||
| P3-03 PID Differential Time Constant | Read and write | ||||
| P3-04 PID Operating Mode | Read and write | ||||
| P3-05 PID Reference Select | Read and write | ||||
| P3-06 PID Digital Reference Value | Read and write | ||||
| P3-07 PID Output Upper Limit | Read and write | ||||
| P3-08 PID Output Lower Limit | Read and write | ||||
| P3-09 PID Output Limit Select | Read and write | ||||
| P3-10 PID Feedback Select | Read and write | ||||
| P3-11 PID Error To Enable Ramp | Read and write | ||||
| P3-12 PID Feedback Display Scaling | Read and write | ||||
| P3-13 PID Error Wake Level | Read and write | ||||
| P3-18 PID Reset Control | Read and write | ||||
| P4-01 Motor Control Mode | Read and write | ||||
| P4-02 Motor Auto-tune Enable | Read and write | ||||
| P4-03 Vector Speed Controller P Gain | Read and write | ||||
| P4-04 Vector Speed Controller Integral Time | Read and write | ||||
| P4-05 Motor Power Factor | Read and write | ||||
| P4-06 Torque Control Reference / Limit Source | Read and write | ||||
| P4-07 Maximum Torque / Current Limit | Read and write | ||||
| P4-08 Minimum Torque Limit | Read and write | ||||
| P4-09 Regenerative Torque Limit | Read and write | ||||
| P4-10 V/F Adjustment Frequency | Read and write | ||||
| P4-11 V/F Adjustment Voltage | Read and write | ||||
| P4-12 Thermal Overload Retention | Read and write | ||||
| P4-13 Output Phase Sequence | Read and write | ||||
| P4-14 Thermal Overload Reaction | Read and write | ||||
| P4-15 Master Mode Configuration | Read and write | ||||
| P5-02 CAN Baud Rate | Read and write | ||||
| P5-05 Communications Loss Timeout | Read and write | ||||
| P5-06 Communications Loss Action | Read and write | ||||
| P5-07 Fieldbus Ramp Control | Read and write | ||||
| P5-08 Fieldbus PDO-4 Data Select | Read and write | ||||
| P5-12 Fieldbus PDO-3 Data Select | Read and write | ||||
| P5-13 Fieldbus PDI-4 Function Select | Read and write | ||||
| P5-14 Fieldbus PDI-3 Function Select | Read and write | ||||
| P5-15 Modbus Response Delay | Read and write | ||||
| P5-16 Drive Modbus Address | Read and write |
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Use cases
- Put frequency, current and power of every P2 drive in a plant on one dashboard.
- Send an e-mail when the drive status shows a trip, or when heatsink temperature passes a limit you choose.
- Keep a history of output torque and current to see when a pump or conveyor starts to need more effort.
- Change the speed reference or the PID setpoint from ModbusCloud without a visit to the site.
- Compare DC bus voltage and power over weeks to spot supply problems or a changing load.
Installation
Connect pin 7 (RS485-), pin 8 (RS485+) and pin 3 (0 V) of the RJ45 port in the drive wiring enclosure to the RS485 port of the ModbusCloud Gateway. Terminate both ends with 120 ohm.
Set address P5-01, baud rate P5-03 and data format P5-04 on the drive (default 1, 115200 baud, no parity, 1 stop bit). For control over Modbus set P1-12 to 4.
In ModbusCloud, add a Modbus device with the same address and serial settings and import this template.
Check that output frequency, DC bus voltage and drive status come in with plausible values.
Things to watch for
The drive does not answer. What should I check?
Compare P5-01, P5-03 and P5-04 with the settings in ModbusCloud. Use pins 7 and 8 of the RJ45 port, not 4 and 5 which carry Optibus for keypads and PC, and connect the 0 V on pin 3. A fieldbus option module in the option slot switches Modbus RTU off.
The motor does not start when I write the control word.
Modbus control works only with P1-12 set to 4 and no fieldbus module installed. The drive also needs its enable input and both Safe Torque Off inputs. Set bit 0 to run; a reset with bit 2 must be cleared again once the fault is gone.
Why does a parameter read 500 when the display shows 50.0?
Parameters with one decimal place are sent multiplied by ten. The template applies this factor for those parameters. A few parameters with two or three decimals are shown raw; compare them with the drive display before you write.
The drive trips on loss of communication.
P5-05 sets the watchdog time, default 1.0 s, and P5-06 what the drive does when no valid message arrives. Poll at least one register faster than that, set a longer time, or set P5-05 to 0 to switch the watchdog off.
What should I keep in mind when writing parameters?
A written parameter takes effect in the drive at once and changes how the motor runs. Read the current value first, write one parameter at a time and check the display. Some parameters cannot be changed while the drive runs, and P4-02 starts an autotune immediately.
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