Sanyo Denki Py 2 Manual

 
0.  SAFETY PRECAUTIONS 
0－2 
 0.1 Introduction  
The “PY2” Servo Amplifier is designed to be used for general industrial equipment.    So, note the following 
precautions. 
•  To ensure proper operation, thoroughly read the Instruction Manual before installation, wiring and 
operation. 
•  Do not modify the product. 
•  For installation or maintenance, consult our dealer or authorized agency. 
•  When using the product for the following purposes, special measures, such as system multiplication or...

 
0.  SAFETY PRECAUTIONS 
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  0.3  Meaning of Warning Indication   
This chapter explains how warnings are indicated.     
Please understand the details of indications before reading 0.4 Cautions on Safety.   
 
 
0.3.1  Details of Indications 
Section 0.4 describes as follow s: 
 
 
①  :  Rank of cautions on safety 
② : Symbolic indication 
③  :  Meaning of each symbolic indication 
 
 
 
 
 
 
0.3.2  Rank of Cautions on Safety  
Cautions are divided into the following four ranks:   
①   Incorrect...

 
0.  SAFETY PRECAUTIONS 
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0.3.3 Symbolic Indication  
Symbolic indications are divided into the following eight kinds:   
 
Kinds of symbols Example of symbols 
Symbolic indications of 
danger  
 
DANGER,  
INJURY
  
 
ELECTRIC 
SHOCK
  
Symbolic indications 
calling attention  
 
CAUTION  
 FIRE  
 BURN 
Symbolic indications 
prohibiting actions  
 
PROHIBITION  
 PROHIBITION OF
DISASSEMBLING
 
 
 
Symbolic indication 
urging actions  
 
MANDATORY   
 
 
  

 
0.  SAFETY PRECAUTIONS 
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 0.4  Cautions on Safety   
 DANGER 
   
 
1.  Dont operate the system in explosive environment, or you may be injured or fire 
may occur.   
 
 
2.  Never touch any inside part of the amplifier, or you may be struck by electricity.   
 
 
 
3.  Dont arrange wires nor conduct maintenance work and inspection under a 
hot-line condition.   
Be sure to turn the power off more than 5 minutes in advance.     
Otherwise, you may be struck by electricity.   
 
4.  Ask experts in...

 
0.  SAFETY PRECAUTIONS 
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 DANGER 
   
 
9.  During operation, never touch the motor rotator, or you may be injured.   
 
 
 
10.  While the power is supplied, never approach nor touch terminals, or you may be 
struck by electricity.   
 
 
11.  While the power is supplied, never remove any terminal cover, or you may be 
struck by electricity. 
 
  

 
0.  SAFETY PRECAUTIONS 
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 CAUTION 
  
 
1.  Before installation, operation, maintenance and inspection, be sure to read the 
Users Manual and follow instructions detailed in the manual.     
Otherwise, you may be struck by electricity or be injured, or fire may occur.   
 
2.  Dont use the amplifier and the motor in any situations where the specifications 
are not fully satisfied.     
Otherwise, you may be struck by electricity or injured, or they may be damaged.   
 
3.  Dont use the amplifier...

 
0.  SAFETY PRECAUTIONS 
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 CAUTION 
   
 
9.  Dont measure insulation resistance and dielectric strength, or these units may 
be damaged.   
When you have to measure them, please contact us.   
 
10.  Arrange cables in accordance with the Technical Standard for Electric Facilities 
and the Extension Rules.     
Otherwise, cables may be burnt and fire may occur.   
 
11.  Arrange cables correctly and securely, or the motor may run away and you may 
be injured.   
 
 
12.  Dont apply static...

 
0.  SAFETY PRECAUTIONS 
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 CAUTION 
   
 
21.  This motor is not equipped with any protective device.     
So, protect it with an overcurrent device, an earth leakage breaker, a thermal 
cutout or an emergency stop device.     
Otherwise, you may be injured or fire may occur.   
 
22.  During the power is supplied or for a while after the power is turned off, dont 
touch the amplifier radiator, the regenerative resistor and the motor because they 
are or have been heated to high temperatures....

 
0.  SAFETY PRECAUTIONS 
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 CAUTION 
   
 
30.  Since the amplifier frame is heated to high temperature, beware of it at the time 
of maintenance and inspection, or you may be burnt.   
 
 
31.  The electrolytic capacitor inside the amplifier is recommended to be replaced 
with a new one every five years for preventive maintenance providing that the 
yearly ambient temperature is 40°C. 
The expected life of the cooling fan motor is 10 years at the yearly ambient 
temperature of 40°C.    Regular...

 
0.  SAFETY PRECAUTIONS 
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 PROHIBITION 
  
 
1.  Dont store these units where they are exposed to water, rain drops, hazardous 
gas or liquid.     
Otherwise, they will get out of order.   
 
   
 
2.  The built-in brake of the motor is for holding and should not be used for braking 
in general.   
If used for braking, the brake will be broken.   
 
   
 
3.  Dont overhaul the system, or fire will occur and you will be struck by electricity.   
 
 
  
 
4.  Do not remove the nameplate.