Keyence SJ-M201 User Manual download pdf (Page 6)

2-1

Before Installation

■ Interference

The Static Elimination Head may not function properly if there is a conductor (earthed body) located

nearby or if two or more units are used close to each other. In such an installation, refer to the figure

below and maintain the indicated distance between the conductor (earthed body). If a conductor

(earthed body) is located inside the distances indicated below, adjust using the ion balance manual

setup.

"Ion Balance Adjustment Function" (page 9)

When two SJ-M Series units are used, refer to the figures below, and install the units so that the

following distances are maintained between the two Static Elimination Heads.

● SJ-M021(G)

• Do not install the Static Elimination Head at locations where moving parts

of other equipment and machinery may place stress on the cable. Doing so

might cause the SJ-M021(G) Series to malfunction.

NOTICE

200 mm

or more

20 mm

or more

10 mm

or more

20 mm

or more

20 mm or more

10 mm

or more

200 mm or more

10 mm

or more

20 mm or more

200 mm or more

When SJ-MS2

is used

When SJ-ML1

is used

When SJ-MS1

is used

200 mm

or more

20 mm

or more

10 mm

or more

20 mm

or more

60 mm or more

away from the

nozzle or air outlet

60 mm or more

60 mm

or more

60 mm or

more away

from the

nozzle or

air outlet

60 mm or more

60 mm

or more

● SJ-M021(G)

60mm or more

60mm

or more

60mm

or more

35mm or more

● SJ-MS* ● SJ-ML*

60 mm or more

2-2 Connection and Installation

This section describes how to connect and install the Static Elimination Head and Controller Unit.

Installing the nozzle/tube

Install the nozzle and tube to the Static Elimination Head by following the procedures below.

■ Installing the nozzle

Attach the nozzle to SJ-M021(G). Attach and tighten

the nozzle mounting fixture to the nozzle to fasten it in place.

■ Installing the tube

An air tube is applicable to SJ-MS3/4 and SJ-ML3/4.

Use air tube part number OP-75350 (PFA tube 500 mm).

Static elimination power varies depending on the length

of the air tube. Check the length carefully before use.

It is recommended that this installation be done prior to "Installing the Static

Elimination Head" in the next section. If not, it may be difficult to install the

Static Elimination Head.

Point

Model name Fastening torque

Between nozzle and nozzle

mounting fixture

2 N·m or less

SJ-MS2/ML2

(between head and adapter)

2–3 N·m or less

SJ-MS3/ML3

(between head and adapter)

7 N·m or less

SJ-MS4/ML4

(between head and adapter)

7 N·m or less

SJ-MS1/ML1

(between resin head and

adapter)

Fasten manually until it stops.

Then use a tool, such as a

wrench, and rotate approx. 2

or 3 more times. Fix in the

desired direction. If you fasten

a screw too tightly, this may

result in breakage. Insufficient

fastening may result in loose

connection or leakage.

Nozzle mounting fixture

Before using SJ-MS3/4 or SJ-ML3/4 with an air tube mounted, turn OFF the

"I.C.C. ON/OFF setting" (page 8).

Point

2-2

Connection and Installation

Installing the SJ-M Series

Install the SJ-M Series at locations where static electricity is generated or is likely to be generated.

■ Installing the Static Elimination Head

There are two ways of installing the Static Elimination Head, with or without the mounting fixtures.

● When the mounting fixture is used:

When installing the SJ-M021(G), prepare tapped

mounting holes, and install the SJ-M021(G) with M3

screws at a tightening torque of 1 Nm or less (M4

screws: 1 Nm or less).

The M3 screws and bundling band for fastening the

mounting fixture must be prepared separately.

● When the mounting fixture is not used:

When mounting the SJ-M021(G) using the M3 set

screws, tighten at a torque of 0.1 Nm or less.

When installing the SJ-M Series, observe the minimum bending radius of all

provided cables. Also, do not install the SJ-M Series with the cables

deformed by staples or other objects. Doing so might cause the SJ-M Series

to malfunction.

NOTICE

Install the mounting fixture within the allowable mounting fixture range indi-

cated in the external dimension drawings. Otherwise, static may not be elimi-

nated properly.

Make a space of 30 mm or more around the drive unit. Otherwise, the unit

may be damaged.

M3 tap

M4 tap

• SJ-M021(G)

Point

NOTICE

Limit the tightening torque to

0.1Nm. Exceeding this torque

might damage the set screws.

Install within the allowable

mounting fixture range indicated

in the external dimension draw-

ings. Otherwise, static may not

be eliminated properly.

M3 set screw (flat)

28 mm or more

NOTICE

Point

2-2

Connection and Installation

■ Installing the discharge prevention cap (option)

An optional discharge prevention cap is available to prevent the risk of accidentally touching the

Static Elimination Head and causing discharge during maintenance work, for example. Use this cap

if necessary.

■ Installing the cap

Install the discharge prevention cap as shown in the following figures, and fasten in place using the

set screws (provided).

(Tightening torque: SJ-M021(G): 0.04 Nm or less)

■ Installing the Controller unit

Install and fasten in place

so that the end surface of

the cap is at this position.

OP-75354

● SJ-021(G) (cross-section view)

Mount the Controller Unit on the DIN rail.

The SJ-M201 cannot be connected to the SJ-M010/M020(G).

NOTICE

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Keyence SJ-M201 User Manual Page 6

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