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2 specifications, 3 external dimensions, 1 troubleshooting – KEYENCE SJ-M300 User Manual

Page 12: Specifications, External dimensions, Troubleshooting

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11

5-2

Specifications

This section provides the specifications of the SJ-M300 Series.

Static Elimination Bar/Controller Unit

*1: The following conditions were applied for measurement.

Please inquire for ion balance in operating distance 50mm (50 Hz) of a V,VC type separately.

*2: The effective length represents the operating area at an operating distance of 50 mm.

*3: The total length represents the length of the model with a mounting bracket attach.

AC adapter

* The power cable supplied with SJ-U2 is 125V rated power voltage.

Model

Static Elimination Bar

SJ-M030/030C/030G/

030V/030VC

SJ-M070/070C/070G/

070V/070VC

Controller Unit

SJ-M300

Voltage application method

Pulse AC

Applied voltage

±5.5 kV

Rated output voltage

±6 kV

Ion balance control method

I.C.C. method

Ion balance *1

±30 V

Air purge supply pressure

0.2 MPa max.

Control input

Static elimination stop input

No-voltage input

Control output

Alarm output

NPN open collector

100 mA 40 V or less

Ion level alarm output

Condition alarm output

Rating

Power voltage

24 VDC ±10%

Current consumption

450 mA max.

Environmental
resistance

Operating ambient
temperature

0 to +40°C

Operating ambient
humidity

35 to 65%RH, No condensation

Effective length *2

164 mm

324 mm

Total length *3

220 mm

380 mm

Weight

Static elimination bar

Approx. 600 g

Approx. 720 g

Controller

Approx. 300 g

Model(Static

elimination bar)

SJ-M030/070

SJ-M030C/070C SJ-M030G/070G SJ-M030V/070V SJ-M030VC/070VC

Air purge

None

None

(3 NL/min)/
1 electrode

(1 NL/min)/
1 electrode

(1 NL/min)/
1 electrode

Downward air flow

0.3m/s

Operating distance

50mm(50Hz), 600mm(8Hz), 1500mm(1Hz)

Model

SJ-U2

Rating

Rated input

100 to 240 VAC (50/60 Hz)

Rated output

24 VDC 2.65 A

Environmental resistance

Operating ambient temperature

0 to +35°C

Operating ambient humidity

20 to 80%, No condensation

Weight

Approx. 250 g

5-3

External Dimensions

This section presents the external dimensions of the SJ-M Series.

Body

Static Elimination Bar

At the time of
front installation

46 (SJ-M030/030C/030G)
41 (SJ-M030V/030VC)

26.5

5.5

29 26

43

40

40

220
200

At the time of
side installation

(17.5)

Rc1/8

17.5

28.5 (SJ-M030/030C/030G)
23.5 (SJ-M030V/030VC)

(17.5)

240(P=40x6)

5.5

26.5

43

380

360

At the time of

side installation

Rc 1/8

46(SJ-M070/070C/070G)

41(SJ-M070V/070VC)

28.5(SJ-M070/070C/070G)

23.5(SJ-M070V/070VC)

17.5

29 26

At the time of

front installation

15 mm dia.

51

3

18

2-4.4 mm dia.(thru hole)

191

181

24

30

2.5

11.5

5

131

5

8.5

6 mm dia. cable length
300mm (min. bend radius 18)

10 mm dia.cable length 800mm
min. bend radius 30

35

5-3

External Dimensions

Controller Unit SJ-M300

Mounting Fixture detail

Extension cable (SJ-C3)

AC adapter (SJ-U2)

* For details of the AC cable, contact the KEYENCE sales office in your district.

50

120

5

70

32

76

46

36

89

37

26

13

hole for self-tapping
screw(2-M3)
(screw hole depth= 6mm)

5

4

28

18

18

11

4

27.5

17.5

29

6 mm dia.
cable length 3 m

49

15.5

51

15

(37.5)

7

ш16

(10.3)

(16.3)

(12.5)

(14)

28

ш3.5

1800

114.5

50.5

1

Troubleshooting

This appendix describes trouble that may occur during use of the SJ-M Series and how to remedy this
trouble. Check the following table before sending in your SJ-M Series for repair.

Symptom

Check Item

Remedy

No indication on ion
monitor

Is the power cable connected
properly?

Connect the power cable correctly.

Is a power supply within specification
being used?

Use a power supply that is within
specification.

Static elimination is
not performed.

Is the electrode probe worn or dirty?

Perform maintenance on the electrode probe
or replace the Electrode Unit.

Is static elimination stop currently
set?

Cancel static elimination stop input on the SJ-
M Series.

Is the abnormal discharge detection
function operating?

Check the Static Elimination Bar for any
conductive substances (e.g. oil droplets).

Static elimination is
not performed
properly.

Are conductors or other Static
Eliminators located nearby the Static
Eliminator?

Move the Static Eliminator away from
conductors or other static eliminators nearby.

The ion level alarm is
output/indicated.

Is the electrode probe worn or dirty?

Perform maintenance on the electrode
probes or replace the Static Elimination Bar.

Are conductive objects located in the
surrounding area?

Check the installation state.

"Locations"(page 5)

The condition alarm is
output/indicated.

Are static elimination target objects
having a very high charged level
located nearby the Static
Eliminators?

Increase the number of connected static
eliminators.

Is the electrode probe worn or dirty?

Perform maintenance on the electrode
probes or replace the Static Elimination Bar.

The alarm indicator
lights.

Check “During an alarm (levels 1, 2)”
(

page13) in this Instruction Manual.

Control output is not
output correctly.

Is output wired correctly?

Check the output circuit and wiring, and
connect correctly.

Static elimination stop
input is not input
correctly.

Is input wired correctly?

Check the input circuit and wiring, and
connect correctly.

Do not know meaning
of indicators.

Check "Table of Indicated States" (

page

12) in this Instruction Manual.