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Safety Relay Unit (Sensor Connector Type)
G9SA-300-SC
CSM_G9SA-300-SC_DS_E_2_2
Less Wiring Required with Safety Light
Curtain
• Sensor connector allows direct connection to OMRON F3SJ
Safety Light Curtains with PNP outputs.
• Reduces wiring and prevents incorrect connection.
• Connection to emergency stop switch also supported.
• Conforms to EN standards (TÜV approval).
• DIN track mounting possible.
Be sure to read the “Safety Precautions” on page 8.
Model Number Structure
Model Number Legend
[email protected]@@@@@[email protected]@
6
1 2 3 4 5
1. Function
None: Emergency stop
2. Contact Configuration (Safety Output)
3:
3PST-NO
3. Contact Configuration (OFF-delay Output)
0:
None
4. Contact Configuration (Auxiliary Output)
0:
None
5. Input Configuration
None: 1-channel or 2-channel input possible
6. Terminal
SC:
Connector terminals
Ordering Information
Safety Relay Unit
Emergency-stop Unit with Sensor Connector
Main contact
Auxiliary contact
Number of input
channels
Rated voltage
Model
3PST-NO
None
2 channels
24 VDC
G9SA-300-SC
Note: 1. Connect to the sensor connector using a special OMRON F3SJ Safety Light Curtain Connecting Cable. For details, refer to the
information on accessories below.
2. The Safety Light Curtain and Connecting Cable are sold separately.
Accessories (Order Separately)
Connecting Cables (for F3SJ - G9SA-300-SC connection only)
Appearance
Cable length
Model
0.2 m
F39-JCR2C
1m
F39-JC1C
3m
F39-JC3C
7m
F39-JC7C
10 m
F39-JC10C
15 m
F39-JC15C
Note: 1. The model numbers given in the table are for sets of two Cables, one for the emitter and one for the receiver.
2. [email protected]@ (F3SJ - F3SP-B1P Connecting Cables) cannot be used.
1
G9SA-300-SC
Specifications
Ratings
Power Input
Item
Contacts
Model
G9SA-300-SC
Model
G9SA-300-SC
Load
Resistive load
Power supply voltage
24 VDC
Item
Operating voltage range
85% to 110% of rated power supply
voltage
Rated load
250 VAC, 5 A
30 VDC, 5 A
Power consumption
24 VDC: 0.7 W max.
Rated carry current
5A
Inputs
Item
Model
Input current
G9SA-300-SC
40 mA max.
Characteristics
Item
Model
Contact resistance *1
G9SA-300-SC
100 mΩ
Operating time *2
300 ms max.
Response time *3
10 ms max.
Insulation resistance *4
100 MΩ min. (at 500 VDC)
Between different outputs
Dielectric
strength
Between inputs and outputs
2,500 VAC, 50/60 Hz for 1 min
Between power inputs and outputs
Vibration resistance
Shock
resistance
Durability
10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double amplitude)
Destruction
300 m/s2
Malfunction
100 m/s2
Mechanical
5,000,000 operations min. (at approx. 7,200 operations/h)
Electrical
100,000 operations min. (at approx. 1,800 operations/h, rated load)
Failure rate (P level) (reference value)
5 VDC, 1 mA
Ambient operating temperature
−25 to 55°C (with no icing or condensation)
Ambient operating humidity
35% to 85%
Terminal tightening torque
0.98 N·m
Weight
Approx. 300 g
*1. The contact resistance was measured with 1 A at 5 VDC using the voltage-drop method.
*2. Not including bounce time.
*3. The response time is the time it takes for the main contact to turn OFF after the input is turned OFF. Includes bounce time.
*4. The insulation resistance was measured with 500 VDC at the same places that the dielectric strength was checked.
2
G9SA-300-SC
Connections
Internal Connections
J1
Vcc
A1
A2
T11
T12
Vcc
Y1
K3
K1
13
X1
23
33
OSSD2
OSSD1
F
External
diagnosis
H1
K3
K2
K3
K1
K2
K3
GND
GND
C1
G1
D1
D2
E1
E2
K1
K2
T21
T22
K3
Note: Do not connect anything to terminals
C1, D1, D2, E1, and E2.
14
24
34
Terminal Arrangement
The pin arrangement at the Sensor is shown below.
Connector (Sensor End)
Emitter Connector
Receiver Connector
[email protected]@@@@[email protected]@[email protected]@-L [email protected]@@@@[email protected]@[email protected]@-D
14.9 dia.
Vcc
A1
J1 G1 C1 D1 D2
E1 E2 13 23 33
Pin
number
PWR (orange)
K1 (green)
1
Signal name
Receiver
Emitter
Control output 2 (OSSD2)
Interlock selection input
(INTERLOCK)
K2 (green)
T11 T12 H1 Y1 X1
GND
T21 T22 14 24 34
A2
2
+24V (24 VDC)
+24V (24 VDC)
3
Control output 1 (OSSD1)
Test input (TEST)
4
Auxiliary output (AUXILIARY)
Reset input (RESET)
5
RS-485 (A)
RS-485 (A)
6
RS-485 (B)
RS-485 (B)
7
0V
0V
8
External relay monitor input (EDM)
N.C.
Dimensions
(Unit: mm)
G9SA-300-SC
92
Twenty four, M3 × 8
5.9
13 max.
76 max. 63
7
10
111 max.
80
91 max.
3
G9SA-300-SC
Application Examples
Connection to Safety Light Curtain Only (Auto-reset)
Receiver
Emitter
F3SJ Series
KM1
[email protected]@C-L
[email protected]@C-D
KM2
E1
*
S1
J1
Vcc
A1
A2
T11
T12
H1
Y1
13
X1
23
33
KM1
Vcc
Receiver connector
External
diagnosis
OSSD2
OSSD1
F
K3
Black
K1
K3
K2
K3
K1
KM2
K2
Emitter connector
Gray
K3
GND
K1
K2
T21
T22
K3
M
GND
C1
G1
D1
D2
E1
E2
KM1
G9SA-300-SC
S1:
KM1 and KM2:
M:
E1:
External test switch
Magnetic Contactors
3-phase motor
24-VDC Power Supply (S82K)
14
24
34
KM2
Timing Chart
+24 V
0V
Light incident
Light interrupted
E1
External test switch (S1)
F3SJ/F3SN-A/-B/F3SH-A
OSSD
K3, NC contact
Note: 1. The Safety Light Curtain EDM function and
auxiliary outputs cannot be used.
2. Do not connect anything to terminals C1, D1,
D2, E1, and E2.
* The Unit performs normal operation when S1 is open
and external diagnosis when it is closed.
K3, NO contact
K1 and K2, NC contact
K1 and K2, NO contact
KM1 and KM2, NC contact
KM1 and KM2, NO contact
4
G9SA-300-SC
Connection to Safety Light Curtain Only (Manual Reset)
Receiver
Emitter
F3SJ Series
KM1
[email protected]@C-L
S1
[email protected]@C-D
KM2
E1
*
S2
J1
Vcc
A1
A2
T11
T12
H1
Y1
13
X1
23
33
KM1
Vcc
Receiver connector
External
diagnosis
OSSD2
OSSD1
F
K3
Black
K1
K3
K2
K3
K1
KM2
K2
Emitter connector
Gray
K3
GND
K1
K2
T21
T22
K3
M
GND
C1
G1
D1
D2
E1
E2
KM1
G9SA-300-SC
S1:
S2:
KM1 and KM2:
M:
E1:
Reset switch (momentary action switch)
External test switch
Magnetic Contactors
3-phase motor
24-VDC Power Supply (S82K)
14
24
34
KM2
Timing Chart
+24 V
0V
Light incident
Light interrupted
E1
Reset switch (S1)
External test switch (S2)
Note: 1. The Safety Light Curtain EDM function
and auxiliary outputs cannot be used.
2. Do not connect anything to terminals C1,
D1, D2, E1, and E2.
* The Unit performs normal operation when S2 is
open and external diagnosis when it is closed.
F3SJ/F3SN-A/-B/F3SH-A
OSSD
K3, NC contact
K3, NO contact
K1 and K2, NC contact
K1 and K2, NO contact
KM1 and KM2, NC contact
KM1 and KM2, NO contact
5
G9SA-300-SC
Connection to Safety Light Curtain and Two Channels of Limit Switch Input (Auto-reset)
23
Receiver
Emitter
S1
24
11
open
S2
12
F3SJ Series
KM1
[email protected]@C-L
[email protected]@C-D
KM2
E1
*
S3
J1
Vcc
A1
A2
T11
T12
H1
Y1
13
X1
23
33
KM1
Vcc
Receiver connector
OSSD2
OSSD1
F
External
diagnosis
K3
Black
K1
K3
K2
K3
K1
KM2
K2
Emitter connector
Gray
K3
GND
K1
K2
T21
T22
K3
M
GND
C1
G1
D1
D2
E1
E2
14
KM1
G9SA-300-SC
S1:
S2:
Limit switch (NO)
Safety Limit Switch with
direct opening mechanism (NC)
(D4B-N, D4N, D4F)
S3:
External test switch
KM1 and KM2: Magnetic Contactors
M:
3-phase motor
E1:
24-VDC Power Supply (S82K)
24
34
KM2
Timing Chart
E1
+24 V
0V
Light incident
Light interrupted
External test switch (S3)
Limit switches (S1 and S2)
F3SJ/F3SN-A/-B/F3SH-A
OSSD
K3, NC contact
Note: 1. The Safety Light Curtain EDM function and
auxiliary outputs cannot be used.
2. Do not connect anything to terminals C1, D1,
D2, E1, and E2.
* The Unit performs normal operation when S3 is open
and external diagnosis when it is closed.
K3, NO contact
K1 and K2, NC contact
K1 and K2, NO contact
KM1 and KM2, NC contact
KM1 and KM2, NO contact
6
G9SA-300-SC
Connection to Safety Light Curtain and Two Channels of Emergency Stop Switch Input (Manual Reset)
Receiver
Emitter
Emergency stop switch
S1
11
21
12
22
F3SJ Series
KM1
[email protected]@C-L
S2
[email protected]@C-D
KM2
E1
*
S3
J1
Vcc
A1
A2
T11
T12
H1
Y1
13
X1
23
33
KM1
Vcc
Receiver connector
OSSD2
OSSD1
F
External
diagnosis
K3
Black
K1
K3
K2
K3
K1
KM2
K2
Emitter connector
Gray
K3
GND
K1
K2
T21
T22
K3
M
GND
C1
G1
D1
D2
E1
E2
KM1
G9SA-300-SC
S1:
S2:
S3:
KM1 and KM2:
M:
E1:
14
24
34
KM2
Timing Chart
Emergency stop switch (A22E)
+24 V
E1
Reset switch (momentary action switch)
0V
External test switch
Light incident
Magnetic Contactors
Light interrupted
3-phase motor
Reset switch (S2)
24-VDC Power Supply (S82K)
External test switch (S3)
Limit switches (S1 and S2)
Note: 1. The Safety Light Curtain EDM function
and auxiliary outputs cannot be used.
2. Do not connect anything to terminals
C1, D1, D2, E1, and E2.
* The Unit performs normal operation when S3
is open and external diagnosis when it is
closed.
F3SJ/F3SN-A/-B/F3SH-A
OSSD
K3, NC contact
K3, NO contact
K1 and K2, NC contact
K1 and K2, NO contact
KM1 and KM2, NC contact
KM1 and KM2, NO contact
7
G9SA-300-SC
Safety Precautions
Refer to the “Precautions for All Relays” and “Precautions for All Relays with Forcibly Guided Contacts”.
Precautions for Safe Use
• Turn OFF the G9SA-300-SC before wiring the G9SA-300-SC. Do
not touch the terminals of the G9SA-300-SC while the power is
turned ON, because the terminals are charged and may cause an
electric shock.
• To conform to IEC61496-1 and UL508 when using the F3SJ
ensure that the DC power supply satisfies all the conditions below.
• The voltage is within the rated power supply voltage range
(24 VDC ±10%).
• The power supply is connected only to the F3SJ or devices with
a direct bearing on the F3SJ’s electrical detection protective
function, such as Safety Controllers or Muting Sensors. Do not
connect it to any other devices or equipment. When connecting
more than one device, ensure that the capacity is easily
sufficient for the total rated current.
• The power supply conforms to the EMC Directive (industrial
environment).
• The power supply uses double or reinforced insulation between
the primary and secondary circuits.
• The power supply automatically resets overcurrent protection
characteristics (voltage drop).
• The power supply maintains an output holding time of at least
20 ms.
• The power supply satisfies the output characteristic
requirements of limited voltage/current circuits and Class 2
circuits as defined by UL508.
• The power supply satisfies laws, regulations, and standards
concerning EMC and the safety of electrical devices for the
country or region in which it is used. (In the EU, for example, the
power supply must conform to the EMC Directive and Low
Voltage Directive.)
• Do not connect any device other than the F3SJ-Series with PNP
outputs.
• Be sure to mount both the emitter and the receiver in the correct
position. (The Sensor will not operate it they are mounting in
reverse.)
• For further details on using the Safety Light Curtains, refer to F3SJSeries User's Manual.
Precautions for Correct Use
Failure Detection for Slow-starting Power Supply
When using a power supply with a long start-up time, if power is
switched on while input has been closed the internal circuits will
detect a power voltage error and the product will not operate. Apply
the voltage to the product once the voltage has reached its rated level.
Installation
The G9SA-300-SC can be installed in any direction.
Wiring
• Use the following to wire the Unit.
Stranded wire: 0.75 to 1.5 mm2
Solid wire:
1.0 to 1.5 mm2
• Tighten each screw to a torque of 0.78 to 1.18 N·m, or the Unit may
malfunction or generate heat.
• External inputs connected to H1 and T12 or T21 and T22 of the
Unit must be no-voltage contact inputs.
• GND is a ground terminal. When a machine is grounded at the
positive, the GND terminal cannot be grounded.
Connecting Inputs
When using more than one G9SA300-SC Unit, do not connect the
same switch to more than one G9SA300-SC Unit. This applies to all
input terminals.
Incorrect
T11 T12
T11 T12
G9SA
-300-SC
G9SA
-300-SC
Durability of Contact Outputs
Relay with Forcibly Guided Contact durability depends greatly on the
switching condition. Confirm the actual conditions of operation in
which the Relay will be used in order to make sure the permissible
number of switching operations.
When the accumulated number of operation exceeds its permissible
range, it can cause failure of reset of safety control circuit. In such
case, please replace the Relay immediately. If the Relay is used
continuously without replacing, then it can lead to loss of safety
function.
Applicable Safety Category (ISO 13849-1)
Certified Standards
G9SA-300-SC Safety Relay Units fall under PLe/Safety Category 4.
The above is provided according to circuit examples presented by
OMRON. Therefore, the above may not apply to all operating
environments.
The applicable safety category is determined from the whole safety
control system. Make sure that the whole safety control system meets
ISO 13849-1 requirements.
The G9SA-300-SC conforms to the following standards.
• EN standards, certified by TÜV Rheinland
ISO 13849-1
EN60204-1
• Conformance to EMC (Electromagnetic Compatibility), certified by
TÜV Rheinland:
EMI (Emission): EN55011 Group 1 Class A
EMS (Immunity): EN61000-6-2
• UL standards: UL508 (Industrial Control Equipment)
• CSA standards: CSA C22.2 No. 14 (Industrial Control Equipment)
8
Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products
were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate
modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall
not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or
electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
practice to change part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2014.5
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2014 All Right Reserved.