omron — Modbus-RTU Method

4-4 Communication Function 4 Functions 4-176 Register No. Function name Function code R/W Monitor and setting parameters Resolution 120Bh FV start frequency A011 (HIGH) R/W 0 to 40000 0.01 [Hz] 120Ch A011 (LOW) 120Dh FV end frequency A012 (HIGH) R/W 0 to 40000 0.01 [Hz] 120Eh A012 (LOW) 120Fh FV start ratio A013 R/W O to FVend ratio 1 [%] 1210h FV end ratio A014 R/W FV start ratio to 100 1 [%] 1211h FV start selection A015 R/W 0: External start frequency 1: 0 Hz  1212h FV, FE, FI sampling A016 R/W 1 to 30 31: 500-ms filter with a hysteresis of ±0.1 Hz 1 1213h Not used    1214h Not used    1215h Multi-step speed selection A019 R/W 0: Binary 1:

Bit  1216h Multi-step speed reference 0 A020 (HIGH) R/W 0/Starting frequency to Max. frequency 0.01 [Hz] 1217h A020 (LOW) R/W 1218h Multi-step speed reference 1 A021 (HIGH) R/W 0/Starting frequency to Max. frequency 0.01 [Hz] 1219h A021 (LOW) R/W 121Ah Multi-step speed reference 2 A022 (HIGH) R/W 0/Starting frequency to Max. frequency 0.01 [Hz] 121Bh A022 (LOW) R/W 121Ch Multi-step speed reference 3 A023 (HIGH) R/W 0/Starting frequency to Max. frequency 0.01 [Hz] 121Dh A023 (LOW) R/W 121Eh Multi-step speed reference 4 A024 (HIGH) R/W 0/Starting frequency to Max. frequency 0.01 [Hz] 121Fh A024 (LOW) R/W 1220h Multi-step speed reference 5 A025 (HIGH) R/W 0/Starting frequency to Max.

frequency 0.01 [Hz] 1221h A025 (LOW) R/W