Hitachi WJ200 Series Quick Reference Manual page 65

9.3.5 Control by frequency
You can control the inverter by not NSOLL_A / NIST_A but frequency. When you control the inverter
by frequency, you need to set the followings.
- Either Telegram 104 or 105 is used.
- Modbus register No. 0x1F14 is set to any one of P161 - P169.
- Modbus register No. 0x1001 and 0x1002 are set to any of P171 - P179 consecutively.
For example, when you set the following, the output frequency setting is 2nd byte of the message
data sent from the PROFINET IO controller to PROFINET IO device and the output frequency monitor
is 2nd and 3rd byte of the message data sent from the PROFINET IO device to the PROFINET IO
controller.
- Telegram 104
- P161 = 0x1F14
- P171 = 0x1001, P172 = 0x1002
Chapter 9 Errors and Remedies
59