Version 3.05
| Optidrive Eco User Guide |
59
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Register
Number Upper Byte Lower Byte
Read
Write
Notes
23
DC Link Voltage
R
Measured DC Link Voltage VDC (P0-20).
24
Drive Temperature
R
Measured Heatsink Temperature in °C (P0-21).
30
kWh Meter (User Resettable)
R
User resettable energy meter kWh (P0-26).
31
MWh Meter (User Resettable)
R
User resettable energy meter MWh (P0-27).
32
kWh Meter (Non Resettable)
R
Non resettable energy meter kWh (P0-26).
33
MWh Meter (Non Resettable)
R
Non resettable energy meter MWh (P0-27).
34
Running Time – Hours
R
Total running time (Hours) (P0-31).
35
Running Time – Min & Sec
R
Total Running Time (Minutes & Seconds) (P0-31).
10.2.3. Modbus Parameter Access
All User Adjustable parameters (Groups 1 to 5) are accessible by Modbus, except those that would directly affect the Modbus
communications, e.g.
P5-01 Drive Fieldbus Address – see also P5-16 Drive Modbus Address.
P5-03 Modbus RTU Baud Rate.
P5-04 Modbus RTU Data Format.
All parameter values can be read from the drive and written to, depending on the operating mode of the drive – some parameters
cannot be changed whilst the drive is enabled for example.
When accessing a drive parameter via Modbus, the Register number for the parameter is the same as the parameter number,
e.g. Parameter P1-01 = Modbus Register 101.
Modbus RTU supports sixteen bit integer values, hence where a decimal point is used in the drive parameter, the register value will be
multiplied by a factor of ten,
e.g. Read Value of P1-01 = 500, therefore this is 50.0Hz.
For further details on communicating with Optidrive using Modbus RTU, please refer to your local Invertek Sales Partner.
10.3. BACnet MSTP
10.3.1. Overview
Optidrive Eco provides an interface for direct connection to a BACnet MSTP network. Connection is made via the RJ45 connection
port, see section
for terminal assignment and section
10.1.1. RS-485 Communications Electrical
for wiring requirements.
10.3.2. Interface Format
Protocol
:
BACnet MSTP
Physical signal
:
RS485, half duplex
Interface
:
RJ45
Baudrate
:
9600bps, 19200bps, 38400bps, 76800bps
Data format
:
8N1, 8N2, 8E1, 8O1
10
Serial Communications
