Name: Omron M1 Series
Brand: Omron
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Parameter

No.

MODBUS ad-

dress (MSB)

MODBUS ad-

dress (LSB)

Parameter name

Communica-

tion data for-

mat (during

single-word

access)

Communica-

tion data for-

mat (during

double-word

access)

C16 122Dh 122Eh

Multi-step Frequency Refer-

ence 12

22 5

C17 122Fh 1230h

Multi-step Frequency Refer-

ence 13

22 5

C18 1231h 1232h

Multi-step Frequency Refer-

ence 14

22 5

C19 1233h 1234h

Multi-step Frequency Refer-

ence 15

22 5

C20 1237h 1238h Jogging Frequency 22 5

C21 3268h -

Pattern Operation / Timed Op-

eration Mode Selection

1 -

C22 3269h -

Pattern Operation Stage 1

Operation Setting

84 -

C23 326Ah -

Pattern Operation Stage 2

Operation Setting

84 -

C24 326Bh -

Pattern Operation Stage 3

Operation Setting

84 -

C25 326Ch -

Pattern Operation Stage 4

Operation Setting

84 -

C26 326Dh -

Pattern Operation Stage 5

Operation Setting

84 -

C27 326Eh -

Pattern Operation Stage 6

Operation Setting

84 -

C28 326Fh -

Pattern Operation Stage 7

Operation Setting

84 -

C30 3271h -

2nd Frequency Reference Se-

lection

1 -

C31 3272h - Input Terminal [AI1] Offset 4 -

C32 3273h -

Input Terminal [AI1] Gain

(Command)

5 -

C33 3274h - Input Terminal [AI1] Filter 5 -

C34 3275h -

Input Terminal [AI1] Gain (An-

alog Input)

5 -

C35 3276h -

Input Terminal [AI1] Polarity

Selection

1 -

C36 3277h -

Input Terminal [AI2] Offset

（AII）

4 -

C37 3278h -

Input Terminal [AI2] Gain

（AII Command）

5 -

C38 3279h - Input Terminal [AI2] Filter (AII) 5 -

C39 327Ah -

Input Terminal [AI2] Gain (AII

Analog Input)

5 -

C40 327Bh -

Input Terminal [AI2] Operation

Selection (AII)

1 -

C41 327Ch -

Input Terminal [AI2] Offset

（AIV）

4 -

8 Communications Functions

8-54

M1 Series Standard Type User's Manual (I669)

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Omron M1 Series Specifications

General

Input Voltage	200-240V AC
Output Voltage	3-phase 200 to 240 VAC
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Communication	RS-485, Modbus RTU
Enclosure	IP20
Cooling Method	Fan Cooled
Operating Temperature	-10°C to +50°C
Humidity	5-95% (non-condensing)
Altitude	Up to 1000m
Frequency Range	0.5-400 Hz
Storage Temperature	-20°C to +65°C