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)

S21 5016h -

Positioning Data via Commu-

nication (LSB)

1 -

S22 1621h -

Torque Reference via Com-

munication

2 -

S23 5018h -

Torque Current Command via

Communication

2 -

S24 1624h -

Torque Bias Value via Com-

munication

2 -

S30 501Fh -

PID Control Feedback Value

via Communication

29 -

M01 50C1h - Frequency Reference at Final 29 -

M02 50C2h -

Torque Reference Monitor at

Last

6 -

M03 50C3h -

Torque Current Command at

Final

6 -

M04 50C4h -

Magnetic Flux Command Val-

6 -

M05 50C5h 50C6h Frequency Reference at Final 22 5

M06 50C7h -

Output Frequency 1 without

Slip Compensation

29 -

M07 50C8h - Torque Value 6 -

M08 50C9h - Torque Current Value 6 -

M09 50CAh 50CBh

Output Frequency without Slip

Compensation

22 5

M10 50CCh - Input Power 5 -

M11 50CDh - Output Current Monitor 5 -

M12 50CEh - Output Voltage Monitor 3 -

M13 50CFh - Operation Command at Final 14 -

M14 50D0h - Operation Status 1 Monitor 16 -

M15 50D1h - Output Terminal Monitor 15 -

M16 0011h - Latest Alarm Contents 10 -

M17 001Bh - Last Alarm Contents 10 -

M18 0025h - Second Last Alarm Contents 10 -

M19 002Fh - Third Last Alarm Contents 10 -

M20 50D6h 50D7h Cumulative Operation Time 1 1

M21 50D8h - Main Circuit DC Voltage 1 -

M25 50DCh - ROM Version 35 -

M26 50DDh -

Transmission Error Transac-

tion Code for RS-485 Port1

20 -

M27 50DEh -

Final Frequency Reference

Monitor on Alarm Monitor

29 -

M28 50DFh -

Final Torque Command Moni-

tor on Alarm

6 -

M29 50E0h -

Final Torque Current Com-

mand Monitor on Alarm

6 -

8 Communications Functions

8-75

M1 Series Standard Type User's Manual (I669)

8-9 Modbus Communication Data Lists

8-9-2 Register List

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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