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Voltage Detection Unit
G32A-C
CSM_G32A-C_DS_E_1_2
Refer to Safety Precautions for All Solid State Relays.
Prevents G3PA Malfunction
• Connects to a maximum of two G3PA-VD Relays.
• Prevents malfunction of the G3PA-VD due to residual voltage,
leakage current, or input noise.
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Model Number Structure
■ Model Number Legend
G32A-C-US
1
2
3
1. Basic Model Type
G32A:
Accessory for G3PA
2. Basic Model Name
C:
Voltage Detection Unit
3. Certification
US:
Certified by UL and CSA
Ordering Information
■ List of Models
Name
Voltage Detection Unit
Rated input voltage
12/24 VDC
Model
G32A-C-US
Note: When ordering, specify the rated input voltage.
1
G32A-C
Application Examples
• The G32A-C can be used to prevent malfunction due to residual
voltage, leakage current, and input noise.
Residual Voltage
In rated operation, the G3PA turns ON at 4 V max. Ordinarily, the
G3PA might turn ON if the residual voltage in transistor circuits
exceeds 3 V. (The G32A-C makes voltage output at voltages
exceeding 9.6 V.)
• The G32A-C can be used to improve the synchronization of input
signals during 3-phase load switching.
• The G32A-C can be used to fix the trigger voltage when using a
timing circuit.
G3PA
Residual voltage
G32A-C
Specifications
■ Ratings (at an Ambient Temperature of 25°C)
Item
Specifications
Rated input voltage
Rated input current
12/24 VDC
One G3PA
8 mA max. (when 24 VDC applied)
Two G3PAs
14 mA max. (when 24 VDC applied)
Must operate voltage
9.6 V ±10%
Must release voltage
5 V min.
Output voltage
12 VDC ±15%
■ Characteristics
Item
Specifications
Input voltage range
10.2 to 30 VDC
Operate time
1 ms max.
Release time
1 ms max.
Vibration resistance
10 to 55 to 10 Hz, 0.375-mm single amplitude (when mounted using screws)
Shock resistance
300 m/s2 (approx. 30 G)
Ambient temperature
Storage: –30 to 100°C (with no icing or condensation)
Operating: –30 to 80°C (with no icing or condensation)
Ambient operating humidity
45% to 85%
Weight
Approx. 65 g
2
G32A-C
Dimensions
Note: All units are in millimeters unless otherwise indicated.
G32A-C
Terminal Arrangement/
Internal Circuit Diagram
100 max.
8.6
Two, M4 terminal screws
4.5
Mounting Holes
Two, 4.5 dia. or M4
Linking
terminal
+B1
66
100 max.
90±0.3
80
Linking
terminal
−B2
90±0.3
Two, M3.5
Elliptical hole:
4.6 × 5.6
Note: Without terminal
cover
20 max.
3.5
100 max.
Note: With terminal cover.
Safety Precautions
Refer to Safety Precautions for All Solid State Relays.
■ Precautions for Correct Use
Refer to G3PA for the linking terminal connection procedure.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
In the interest of product improvement, specifications are subject to change without notice.
3
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.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified)
from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR
FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS
IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS 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 OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the
products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
 Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
 Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles,
safety equipment, and installations subject to separate industry or government regulations.
 Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
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 model numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or
establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual
specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog 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 users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
2012.8
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 2012 All Right Reserved.
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