7 Fieldbus
Modbus quick start
100 Lenze · Inverter i510 / i550 - Cabinet · Operation Manual · 0.4 EN · 02/2016
Heatsink Temperature (Actual Value)
0x60FD:0
(Upper 16 bits only! –
bits 16..31)
Detailed information about dip-switch settings for Node address, baud rate, data format and network
termination are described in the i500 Mounting and switch-on instructions.
2. Set an individual Node address
Default Adress 1
i510: Parameter setting (P510:1, 0x2321:1)
i550: Dip-Switches or Parameter setting (P510:1, 0x2321:1)
3. Set the baud rate:
Default: Auto Detect. First 5 – 10 messages will be lost!
i510: Parameter setting (P510:2, 0x2321:2)
i550: Dip-Switch b=0 AutoDetect
Dip-Switch b=1 Parameter setting (P510:2, 0x2321:2)
4. Set the data Format:
Default: Auto Detect. First 5 – 10 messages will be lost!
i510: Parameter setting (P510.3, 0x2321:3)
i550: Dip-Switch a=0 AutoDetect
Dip-Switch a=1 Parameter setting (P510.3, 0x2321:3)
5. Setup network termination and both network ends (Resistor)
i510: Install external 120 Ohm ¼ W Resistor
i550: Dip-Switches setting
6. Save the parameter with P700:3 (0x2022:3) and power cycle the drive completely that the configuration
takes effect.
7. For network control the following setup needs to be done:
- For network control the P400:37 (0x2631:37) “Network enable” need to be set.
- Set P201:1 (0x2860:1) “Default frequency setpoint” to the network
Per default the watchdog timeout response for the communication is set to fault (P515.1, 0x2858:1).
8. With the default IO-setting DI1 need to be asserted (Run/Stop)
9. Controlling the inverter:
Set the following bits on register 42101 (AC Drive control word) with function code 0x06 or 0x10 to start:
0x61 (Bit0 - Run Forward, Bit5 - Network Control, Bit6-Network Setpoint)
10. Set speed setpoint:
Set register 42102 (Network Frequency Setpoint ABS[0.01Hz]) with the setpoint with function code 0x06
Example: 1234 = 12.34 Hz
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