CKD EJSG Series User manual

2022-08-17 SM-A70436-A
EJSG Series
Electric Actuator
Slider Type
INSTRUCTION MANUAL
Read this Instruction Manual before using the product.
In particular, read the safety notes carefully.
Keep this Instruction Manual safe for use at any time.

22022-08-17 SM-A70436-A
PREFACE
Thank you for purchasing CKD's "EJSG Series" electric actuator.
The EJSG series (slider type) are rod-less electric actuators designed for conveyance.
A wide guide integrated into the body provides high rigidity while allowing for compact
size.
This Instruction Manual describes basic matters related to the operation of this product
in order to fully demonstrate its performance. Please read this Instruction Manual
thoroughly and use the product properly.
Keep this Instruction Manual in a safe place and be careful not to lose it.
Product specifications and appearances presented in this Instruction Manual are
subject to change without notice.

32022-08-17 SM-A70436-A
SAFETY INFORMATION
When designing and manufacturing any device incorporating the product, the
manufacturer has an obligation to ensure that the device is safe. To that end, make
sure that the safety of the machine mechanism of the device and the electric system
that controls such mechanism is ensured.
Ensure to observe organization’s standards, laws and regulations etc. for safety related
to design and management of the equipment.
In order to use our products safely, it is important to select, use, handle, and maintain
the products properly.
Observe the warnings and precautions described in this Instruction Manual to ensure
device safety.
Although various safety measures have been adopted in the product, customer's
improper handling may lead to an accident. Thoroughly read and understand this
Instruction Manual before using the product.
To explicitly indicate the severity and likelihood of a potential harm or damage,
precautions are classified into three categories: "DANGER", "WARNING", and
"CAUTION".
DANGER
Indicates an imminent hazard. Improper handling will
cause death or serious injury to people.
WARNING
Indicates a potential hazard. Improper handling may
cause death or serious injury to people.
CAUTION
Indicates a potential hazard. Improper handling may
cause injury to people or damage to property.
Precautions classified as "CAUTION" may still lead to serious results depending on the
situation.
All precautions are equally important and must be observed.

42022-08-17 SM-A70436-A
< Warning symbol type >
A general-purpose mark
indicating prohibited (not
allowed) actions.
A mark that prohibits touching
the equipment.
A mark that prohibits the act of
putting a finger.
A general-purpose mark
indicating the danger such as
electric shock and burn.
A mark indicating the danger
that occurs when an automatic
equipment is started.
A general-purpose mark
indicating what you must do.
A mark instructing you to
carefully read the Instruction
Manual.
A mark instructing the
connection of the ground wire.
In addition, the following icons indicate general precautions, usage tips, or technical
information or glossary.
⚫Contains useful information such as general precautions, supplementary
information, and reference information.
⚫Contains detailed information and tips on how to use it in a practical way.
⚫Contains technical information and glossary that you should know when using
the function.

52022-08-17 SM-A70436-A
Precautions on Product Use
DANGER
Do not use this product for the following applications.
Medical equipment pertaining to sustainment and management of human
life and body
Mechanism and mechanical device for transferring and transporting people
Critical parts for securing safety in a mechanical device
WARNING
Never modify or implement additional processing to the product.
Modification or additional processing may not only pose a risk of fire or
electric shock, but may not satisfy the specifications described in this
Instruction Manual.
Never handle the product, install or remove the equipment until safety
is confirmed.
Check and maintain the machinery and equipment only after confirming
that all systems related to the product are safe. In addition, be careful not
to get an electric shock by turning off the power of the device or the power
of the corresponding equipment.
Even after the operation is stopped, as there may be high-temperature
parts or charging parts, carefully handle the product, install or remove the
equipment.
The product must be handled by the person who has sufficient
knowledge and experience.
This product is designed and manufactured as general industrial
machinery equipment and parts, so please handle with care.
Use the product within the specifications.
It cannot be used outside of product-specific specifications.
Since this product is used in general industrial machinery equipment and
parts, it is not applicable when used in the following conditions. If you
consult with our company and understand the specifications of our
company product, it will apply. However, even in such a case, take safety
measures to avoid danger in case of failure.
◎Use under conditions and environments other than those specified,
and outdoor use.
◎Use in equipment and applications that come into direct contact with
nuclear power, railways, aviation, ships, vehicles, medical equipment,
beverages and food.
◎Use in applications requiring safety, such as recreational equipment,
emergency shut off circuits, press machines, brake circuits, and safety
measures.
◎Use in applications that are expected to have a significant impact on
people and property and require special safety.

62022-08-17 SM-A70436-A
CONTENTS
PREFACE .............................................................................................................. 2
SAFETY INFORMATION ....................................................................................... 3
Precautions on Product Use .....................................................................................................5
CONTENTS............................................................................................................ 6
1. PRODUCT OVERVIEW .................................................................................... 7
System Structure ...............................................................................................................7
Instruction Manuals Related to This Product .................................................................9
Part Name .........................................................................................................................10
Model Number Indication ................................................................................................11
2. INSTALLATION .............................................................................................. 16
Installation Environment .................................................................................................22
Unpacking.........................................................................................................................23
Installing ...........................................................................................................................24
3. USAGE ........................................................................................................... 26
4. MAINTENANCE AND INSPECTION .............................................................. 28
Periodic Inspection..........................................................................................................29
Precautions on Product Disposal ..................................................................................38
5. TROUBLESHOOTING.................................................................................... 39
Problems, Causes, and Solutions..................................................................................39
6. WARRANTY PROVISIONS ............................................................................ 43
Warranty Conditions........................................................................................................43
Warranty Period ...............................................................................................................43
7. Reference Information .................................................................................. 44
Specifications...................................................................................................................44
Index .................................................................................................................... 48
Glossary .............................................................................................................. 49

72022-08-17 SM-A70436-A
1. PRODUCT OVERVIEW
System Structure
System structure
*The above diagram is a configuration diagram for the parallel I/O design. For other interface specifications,
refer to the instruction manual for each interface specification.
⚫Connect this product to an ECG-A Series controller. It does not work when
connected to other controllers such as ECG-B and ECR Series controllers.
Supplied by the customer
PLC
Surge protector
Ferrite core
Ferrite core
Ferrite core
For power supply
Noise filter
DC power supply
I/O cable
USB cable (mini-B)
PC setting software (free)
Download from our company website.
(URL:https://www.ckd.co.jp
)
Controller ECG-A series
Connectable actuators
Ferrite core
Ferrite core
Encoder cable
Motor cable
PC
EJSG series

82022-08-17 SM-A70436-A
Of the items in the system configuration, the following can be purchased from us.
Component
Product name/Model no.
This product
Actuator
EJSG Series
Accessories
Motor cable
EA-CBLM4-□□□(Standard・FP1・C Series)
EA-CBLM3-□□□(P4 Series)
EA-CBLM5-□□□(G Series)
Encoder cable
EA-CBLE4-□□□(Standard Series)
EA-CBLE3-□□□(P4 Series)
EA-CBLE5-□□□(G Series)
Sold separately
Controller
ECG-A series
Power supply connector
DFMC1,5/3-STF-3,5(PHOENIX CONTACT)
I/O cable
EA-CBLNP2-□□
24 VDC power supply
EA-PWR-KHNA240F-24
Noise filter
AX-NSF-NF2015A-OD
Provided for free
PC setting software
S-Tools
⚫A “ferrite core” is a magnetic material that uses a ferrite material. It is used to
attenuate high frequency noise.
⚫A “surge protector” is a device that protects equipment and communication
equipment from transient abnormal high voltages such as lightning.
⚫A “noise filter” is an electrical or electronic circuit for removing noise and a
device that contains it.

92022-08-17 SM-A70436-A
Instruction Manuals Related to
This Product
This Instruction Manual is “SM-A70436-A”.
The instruction manuals related to this product are as follows.
EJSG series
SM-A70436-A (This Instruction Manual)
Electric Actuator
Setting Software
SM-A11147
S-Tools
ECG Series
EtherNet/IP specifications
ECG Series
Parallel I/O specifications
SM-A27751
ECG Series
CC-Link specifications
SM-A27752
ECG Series
IO-Link specifications
SM-A40831
ECG Series
EtherCAT specifications
SM-A40832
SM-A40833
Controller for Electric Actuators

10 2022-08-17 SM-A70436-A
Part Name
EJSG series
Steel belt
Slider
Connection
plate
Slider body
Non-motor
side
Motor side
Motor unit

11 2022-08-17 SM-A70436-A
Model Number Indication
EJSG series
*If you select other than “N00” for “Motor cable/Encoder cable,” the motor cable and encoder cable are
included as accessories. For the dimensions of motor cables, refer to “1.4.2 Motor cable (fixed/movable),”
and for the dimensions of encoder cables, refer to “1.4.3 Encoder cable (fixed/movable).”
⚫When "Blank: Standard" or "FP1: Compatible with food manufacturing
processes" is selected for the "Working environment option", "V: Yes" cannot
be selected for the "Fitting".
⚫When "C: Low dust specification" or "G: Dust-proof specification" is selected
for the "Working environment option", "Blank: None" cannot be selected for
the "Fitting".
⚫When "D: Bottom mounting" is selected for the "Motormounting direction", the
minimum value of the "Stroke" is 250 mm (represented as 0250 in the model
number).
⚫When "L: Left mounting" is selected for the "Motor mounting direction" and "V:
Yes" is selected for the "Fitting", the minimum value of the "Stroke" is 100 mm
(represented as 0100 in the model number).
EJSG
Body size
04
Body
width 44
mm
04
Motor mounting direction
E
Straight mounting
R
Right mounting
D
Bottom mounting
L
Left mounting
E
-
06
0300
N
B
N
S03
C
Brake
N
None
B
Yes
Encoder
B
Battery-less absolute
encoder
C
Incremental
encoder
Stroke length
0050
～
0800
50 mm to 800 mm
(in increments of 50 mm)
Screw lead
06
６mm
12
12 mm
V
Fitting
Blank
None
V
Yes
P4
-
Working environment
option
Blank
Standard
P4
Compatible with
rechargeable
battery
manufacturing
processes
FP1
Compatible with
food manufacturing
processes
C
Low dust
specification
G
Dust-proof
specification
-
Motor cable/Encoder cable※1
N00
None
S01
Fixed cable
1 m
R01
Movable
cable 1 m
S03
Fixed cable
3 m
R03
Movable
cable 3 m
S05
Fixed cable
5 m
R05
Movable
cable 5 m
S10
Fixed cable
10 m
R10
Movable
cable 10 m

12 2022-08-17 SM-A70436-A
*If you select other than “N00” for “Motor cable/Encoder cable,” the motor cable and encoder cable are
included as accessories. For the dimensions of motor cables, refer to “1.4.2 Motor cable (fixed/movable),”
and for the dimensions of encoder cables, refer to “1.4.3 Encoder cable (fixed/movable).”
⚫When "Blank: Standard" or "FP1: Compatible with food manufacturing
processes" is selected for the "Working environment option", "V: Yes" cannot
be selected for the "Fitting".
⚫When "C: Low dust specification" or "G: Dust-proof specification" is selected
for the "Working environment option", "Blank: None" cannot be selected for
the "Fitting".
⚫When "D: Bottom mounting" is selected for the "Motor mounting direction", the
minimum value of the "Stroke" is 250 mm (represented as 0250 in the model
number).
⚫When "L: Left mounting" is selected for the "Motor mounting direction" and "V:
Yes" is selected for the "Fitting", the minimum value of the "Stroke" is 100 mm
(represented as 0100 in the model number).
EJSG
Body size
05
Body
width 54
mm
05
Motor mounting direction
E
Straight mounting
R
Right mounting
D
Bottom mounting
L
Left mounting
E
-
05
0300
N
B
N
S03
C
Brake
N
None
B
Yes
Encoder
B
Battery-less absolute
encoder
C
Incremental
encoder
Screw lead
05
5 mm
10
10 mm
20
20 mm
V
Fitting
Blank
None
V
Yes
P4
-
Working environment
option
Blank
Standard
P4
Compatible with
rechargeable
battery
manufacturing
processes
FP1
Compatible with
food manufacturing
processes
C
Low dust
specification
G
Dust-proof
specification
-
Stroke length
0050
～
0800
50 mm to 800 mm
(in increments of 50 mm)
Motor cable/Encoder cable※1
N00
None
S01
Fixed cable
1 m
R01
Movable
cable 1 m
S03
Fixed cable
3 m
R03
Movable
cable 3 m
S05
Fixed cable
5 m
R05
Movable
cable 5 m
S10
Fixed cable
10 m
R10
Movable
cable 10 m

13 2022-08-17 SM-A70436-A
*If you select other than “N00” for “Motor cable/Encoder cable,” the motor cable and encoder cable are
included as accessories. For the dimensions of motor cables, refer to “1.4.2 Motor cable (fixed/movable),”
and for the dimensions of encoder cables, refer to “1.4.3 Encoder cable (fixed/movable).”
⚫When "Blank: Standard" or "FP1: Compatible with food manufacturing
processes" is selected for the "Working environment option", "V: Yes" cannot
be selected for the "Fitting".
⚫When "C: Low dust specification" or "G: Dust-proof specification" is selected
for the "Working environment option", "Blank: None" cannot be selected for
the "Fitting".
⚫When "D: Bottom mounting" is selected for the "Motor mounting direction", the
minimum value of the "Stroke" is 250 mm (represented as 0250 in the model
number).
EJSG
Body size
08
Body
Width
82 mm
08
Motor mounting direction
E
Straight mounting
R
Right mounting
D
Bottom mounting
L
Left mounting
Motor cable/Encoder cable※1
N00
None
S01
Fixed cable
1 m
R01
Movable
cable 1 m
S03
Fixed cable
3 m
R03
Movable
cable 3 m
S05
Fixed cable
5 m
R05
Movable
cable 5 m
S10
Fixed cable
10 m
R10
Movable
cable 10 m
E
-
05
0300
N
B
N
S03
C
Brake
N
None
B
Yes
Encoder
B
Battery-less absolute
encoder
C
Incremental
encoder
Stroke length
0050
to
1100
50 mm to 1100 mm
(in increments of 50 mm)
Screw lead
05
5 mm
10
10 mm
20
20 mm
V
Fitting
Blank
None
V
Yes
P4
-
Working environment
option
Blank
Standard
P4
Compatible with
rechargeable
battery
manufacturing
processes
FP1
Compatible with
food manufacturing
processes
C
Low dust
specification
G
Dust-proof
specification
-

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Motor cable (fixed/movable)
◼Motor cable model number explanation (ECG-A Series)
◼Motor cable dimensions (ECG-A Series)
・EA-CBLM4：For EJSG Standard, EJSG-FP1, EJSG-C
・EA-CBLM3：For EJSG-P4
・EA-CBLM5：For EJSG-G
EA-CBLM
Cable type
S
Fixed cable
R
Movable cable
Cable length
01
1 m
03
3 m
05
5 m
10
10 m
S
01
-
4
Cable specifications
4
EJSG Standard
EJSG-FP1
EJSG-C
3
EJSG-P4
5
EJSG-G
Fixed : φ6.5
Movable: φ7.6
L (Cable length is according to the model number.)
Actuator side
Controller side
Actuator side
Movable：φ6.5
Fixed：φ6.1
Controller side
L (Cable length is according to the model number.)
Actuator side
Movable：φ7.6
Fixed：φ6.5
Controller side
L (Cable length is according to the model number.)

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Encoder cable (fixed/movable)
◼Encoder cable model number explanation (ECG-A Series)
◼Encoder cable dimensions (ECG-A Series)
・EA-CBLM4：For EJSG Standard, EJSG-FP1, EJSG-C
・EA-CBLM3：For EJSG-P4
・EA-CBLM5：For EJSG-G
EA-CBLE
Cable type
S
Fixed cable
R
Movable cable
Cable length
01
1 m
03
3 m
05
5 m
10
10 m
S
01
-
4
Cable specifications
4
EJSG Standard
EJSG-FP1
EJSG-C
3
EJSG-P4
5
EJSG-G
Fixed : φ8.5
Movable : φ8.2
L (Cable length is according to the model number.)
Actuator side
Controller side
Fixed：φ8.5
Movable：φ8.2
L (Cable length is according to the model number.)
Actuator side
Controller side
Actuator side
Fixed：φ8.5
Movable：φ8.2
Controller side
L (Cable length is according to the model number.)

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2. INSTALLATION
DANGER
Do not use the product in a place where dangerous substances such
as ignitable, inflammable, or explosive materials are present.
A fire, ignition, or explosion may occur.
Do not work with wet hands.
Doing so may cause electric shock.
Prevent water and oil from splashing onto the product.
A fire, electric leakage, or failure may occur. Even oil drops and oil mists
are prohibited.
When connecting a PC, make sure that the frame ground of the
computer is not grounded.
If a plus terminal of the product is grounded, connecting the product to a
PC and peripheral equipment with a USB cable may cause short-circuit in
the DC power supply.
When installing the product, fix the workpiece while surely holding the
product and the workpiece.
An injury may occur if the product falls down, falls off, or malfunctions.
For the controller power supply (control power supply and motor
power supply) and the input/output circuit power supply, use a DC
stabilized power supply (24 VDC ± 10%) with sufficient capacity.
If the product is directly connected to an AC power supply, a fire, burst or
damage may occur.
Install overcurrent protective equipment (such as a breaker for wiring
and a circuit protector) on the primary side of the power supply when
wiring in accordance with "JIS B 9960-1:2019 (IEC 60204-1:2016) Safety
of machinery—Electrical equipment of machines—Part 1: General
requirements".
Reference: Excerpt from JIS B 9960-1:2019 “7.2.1 General matters.”
Overcurrent protection shall be provided if the circuit current may exceed the rated value
of the component or the allowable current of the conductor, whichever is less. The details
of the selected rated value or setting value are specified in 7.2.10.

17 2022-08-17 SM-A70436-A
WARNING
Do not install the product to a combustible material.
Installing it on combustible materials or near combustible materials may
cause a fire.
Do not place heavy objects on cables or pinch them.
If the cable sheath is torn or excessive stress is applied, it may cause
poor continuity or deterioration of insulation.
Do not connect the communication connector used for the product to
other equipment.
A malfunction or damage may occur.
Do not use or store in areas exposed to strong electromagnetic or
radiation.
A malfunction or failure may occur
Because precision equipment is built in, do not lay it on its side or
subject it to vibration or impact during transportation.
Component damage may occur.
Do not disassemble or modify products not specified in this
Instruction Manual.
In addition to causing injuries, accidents, malfunctions, or failures, it may
not meet the specifications such as this Instruction Manual.
Provide a safety guard fence so as not to enter the operating area of
the actuator.
Insulate unused wires.
A malfunction, failure, or electric shock may occur.
When restarting after emergency stop or irregular stop, make sure
that the actuator is safe to operate.

18 2022-08-17 SM-A70436-A
WARNING
Design a safety circuit or safety device to prevent damage to the
device or an accident resulting in injury or death if the machine stops
in the event of a system malfunction such as an emergency stop or
power failure.
Check the wiring of the product in this Instruction Manual or the
related instruction manual to ensure that there are no wiring errors or
loose connectors.
There is a possibility of a malfunction or overcurrent flowing in.
Overcurrent may cause a malfunction, damage, or fire.
Make sure that the wiring is insulated.
There is a possibility of a malfunction or overcurrent flowing in.
Overcurrent may cause a malfunction, damage, or fire.
Make sure that the wires do not contact other circuits and there is no
ground fault and insulation failure between terminals.
There is a possibility of a malfunction or overcurrent flowing in.
Overcurrent may cause a malfunction, damage, or fire.
Make sure to install the emergency stop button in a location where
operation is easy.
Make sure that the emergency stop button has a structure that cannot be
automatically reset, and that no one can reset it inadvertently.
It may take several seconds to stop the actuator after the emergency
stop, depending on the speed and load when the actuator moves.
Consider the possibility of motor or power source failure.
If a motor or power source failure occurs, take appropriate measures to
prevent personal injury or equipment failure.
When there is a need for resetting the actuator to the starting position,
design a safe control unit.
Install the product indoors and in a dry place.
It may cause an electric leakage or a fire accident in a place exposed to
water or a place with high humidity (place with humidity of 80% or more,
or with condensation).
If the actuator is used for other than horizontal mounting, a braked
actuator shall be used.
If it is not equipped with a brake, the moving parts may drop at the time of
servo OFF (including an emergency stop and alarm) or power OFF,
resulting in injury or damage to a workpiece.
Perform class D grounding (ground resistance: 100 Ω or less) for the
product.
Electric leakage may cause a fire, electric shock or malfunction.

19 2022-08-17 SM-A70436-A
CAUTION
Do not use the product in an environment where a strong magnetic
field occurs.
A malfunction may occur.
Do not perform a withstand voltage test or an insulation resistance
test in a device with the product installed.
Due to the circuit design, the product may be damaged if a withstand
voltage test or an insulation resistance test is performed on the device
with the product installed. If a withstand voltage test or an insulation
resistance test is required as a device, remove the product before
performing it.
Do not store or use the product in a place exposed to ultraviolet rays
or in an atmosphere where corrosive gas or salt are present.
It may cause performance deterioration and strength deterioration due to
rust.
Do not install the product in a place subjected to strong vibrations or
shocks.
If the product is subjected to strong vibrations or shocks, a malfunction
may occur.
Do not use the product in a place where condensation occurs due to a
sudden change in the ambient temperature.
It may cause a malfunction of the product or deteriorate of strength.
Connect only cables designed for the product.
A failure of the product or unexpected accident may occur.
Do not carry or mount the product by holding the movable section or
the cable.
An injury or cable disconnection may occur.
Do not bend the relay cable up to 200 mm from the end of the
connector.
Poor continuity may occur.
Do not hold the controller case tightly.
Do not bend the fixed cable repeatedly.
If repetitive bending is unavoidable, use a movable cable.
Do not apply a magnetic field with a magnetic flux density of 1 mT or
more to the actuator motor section.
The actuator may be damaged or malfunction.
When performing electric welding to the equipment to which the
product is installed, remove all the frame ground connections of the
product.
If electric welding is performed with the frame ground connected, the
product may be damaged due to welding current, excessive high voltage
during welding, or surge voltage.

20 2022-08-17 SM-A70436-A
CAUTION
When installing an external stopper or a holding mechanism (such as
a brake), arrange it so as not to affect the detection of the home
position.
Unintended position may be recognized as the home position due to the
influence of external stopper or holding mechanism when returning to the
home position.
Install the wiring so that no induction noise is applied.
Avoid using the product in a place where a large current or strong
magnetic field occurs.
Do not use the same piping or wiring (with multi-core cables) as the power
line of a large motor other than the product.
Do not pipe or wire the product in the same piping or wiring as the power
supplies and wires for inverters used in robots. Frame ground the power
supply and insert a filter into the output section.
Use a stabilized power supply (24 VDC ± 10%) as the power supply,
and select one with sufficient capacity for the number of installed
products.
If the capacity is not sufficient, a malfunction may occur.
Use cables with a bending radius of 63 mm or more. In addition, fix the
fixed cable so as not to move easily.
Since the bending radius cannot be applied to the bending of the
connector part, it is recommended to fix it near the connector.
Secure sufficient space for maintenance and inspection.
Otherwise, maintenance and inspection cannot be performed, which may
cause equipment stop or damage, or injuries.
It is the responsibility of the customer to confirm compatibility of the
product with any system, machinery, or device used by the customer.
When holding the product, hold its bottom surface.
When transporting and installing the product, ensure the safety of the
workers by securely Supporting the product using a lift or supporting
gear and by assigning more than one worker.
Install the product in a way that it is not subjected to twisting or
bending force.
Before adjusting the gain, firmly fix the actuator body to the rigid
equipment.