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10. Unit Setting

Select UNIT in FUN mode and input the number of the connected KM series units. 
The Power Sensor Station resets itself to apply the setting, when the mode is 
changed from FUN to THR.

8. KM series settings

Set the KM series as shown below. For details, refer to the instruction manual of 
the KM series.

Communication Speed: 38.4 kbps

Data Bit Length: 7-bit

Stop Bit Length: 2-bit

Vertical Parity: EVEN

When connecting multiple KM series, assign unique consecutive numbers for the 
unit No. of each device.

7. Turning ON the power supply of KM-

□□

Turn ON the power supply of the KM series first to initialize the sensor unit 
normally.

6. Connecting the sensor to the power monitor/sensor KM

□□

Connect the terminal part of the provided dedicated cable to KM

□□

. Connect the 

RS-485(+) side to RS-485(+) of the KM

□□

side, and the RS-485(-) side to 

RS-485(-). (Recommended tightening torque: 0.69 to 0.88 Nm)

Insert the connector (male) into the sensor head connector (female) of the right side 
of the unit.

9. Turning ON the power supply of the unit

(1) Insert the plug of the AC adapter or DC cable into the power supply input 

terminal of the unit.

(2) For AC adapter, connect the AC plug into an outlet (100 VAC to 240 VAC). 

For DC cable, connect the cable with white line to the power supply (24 
VDC±10%) and cable without a line into the 0 V.

CYCLE

UNIT

INT H

REC

INTEG

INIT

ETC

RESTR

BCKUP

CLOCK

IP

RATE

CONV

UTOFS

REREC

YEAR

MONTH

DAY

TIME

TOTAL

IP1 to IP4

SUB1 to SUB4

Electricity rate total 
sum/CO2 emission 

conversion value

Conv. unit

Uno1*

Uno1*

-

-

-

IP1

SUB 1

This product is precision equipment. Be careful not to drop the product when 
mounting it.
Do not drop the product or apply strong impact to the product.
If strong impact is applied to the product, stop using the product.

■ 

Mounting

M3 

screws

1. When using mounting screw holes

The unit screw hole depth is 4 mm. Be careful not to tighten the screw for more 
than 4 mm.

The product can be mounted with magnet by mounting mounting magnets 
(ZN9-EM01-S, sold separately) to the screw hole. (tightening torque: 0.4 N/cm to 
0.6 N/cm)
Do not stress to the sensor head cables, when mounting the magnet. 

Flat head screws (M3x6)

Mounting magnets

2. When using screw hook holes

There are two hook holes below the convex section of the upper unit. Use M3 screws 
to hook the screw head on the screw hook holes. Set an interval of 2.5 mm or more 
between the bottom of the screw head and the wall surface.

Enlarged view of the hook screw

3. Floor installation

Use the product on a desk, etc.

Be careful of the installation location not to drop the product.

2.5 mm min.

4. Inserting the SD card

Insert an SD card into the SD card connector at the bottom of the unit. Insert it with 
the terminal side of the SD card to the front side of the unit.

5. Mounting the alarm output terminal

Connect OUT and GND to the load according to the output specifications. Insert the 
signal line to the alarm output connector and tighten it with flathead screwdriver.

AC adapter

DC power supply

■ 

Transition of Major Menu Displays

Press the MODE key twice.

Transition is not available during recording.

MODE key

MODE key

FUN mode

THR mode

RUN mode

Momentary 

power total sum

Momentary power 

total sum

Elapsed time 

(min., sec.)*

Elapsed time 

(day, hr.)*

Auto switching

Auto switching

Auto switching

Auto switching

Average of recorded 

momentary power 

total sum

Momentary power 

total sum

* The elapsed time from the measurement start.
Displayed in "min., sec." units during the first hour. 

Maximum of recorded 

momentary power 

total sum

Minimum of recorded 

momentary power 

total sum

Momentary power

Momentary power 

total sum

Integrated power 

total sum

Threshold value

Integrated power 

total sum

Threshold rate*

Number of data 

items recorded in 

the internal memory

Current time

Displayed up to No. 31 

in the same way.

* Represents "Unit No. 1".

* The current power ratio of integrated 
power total sum for the configured 
threshold value.

Setting value (kWh)

Displayed only 

when ETC setting 

is DISP

Displayed only when 

CLOCK setting is 

DISP

Displayed only 

when IP setting is 

DISP

DC power supply

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