Panasonic MINAS A5 User Manual

Page of 478
7-3
1
 
Before Using the Products
2
 
Preparation
3
 
Connection
4
 
Setup
5
 
Adjustment
6
 
When in T
rouble
7
 
Supplement
Safety input signal
Caution
For list of connector pin numbers, refer to P.2-53,
Signal
Symbol
Pin No.
Contents
Control 
mode
Safety 
input 1
SF1+
4
‡ Input 1 that triggers STO function. This input turns 
off the upper arm drive signal of power transistor.
‡ When using the function, connect this pin in a way 
so that the photocoupler of this input circuit turns off 
to activate STO function.
Compatible 
all control 
mode
6)ï
3
Safety 
input 2
SF2+
6
‡ Input 2 that triggers STO function. This input turns 
off the lower arm drive signal of power transistor.
‡ When using the function, connect this pin in a way 
so that the photocoupler of this input circuit turns off 
to activate STO function.
6)ï
5
<Response time>
Safety input 1 or 2 enables STO to operate: within 5 ms of response time, the motor 
output torque will be turned off.
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Safety output signal from the safety controller and safety sensor may include L pulse for 
self-diagnosis.
To prevent the L pulse from mis-triggering STO function, the safety input circuit has 
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Therefore, if the off period of safety input signal less than 1 ms, the safety input circuit 
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Safety input 
signal
Servo driver
Operate
L pulse for self-diagnosis
1 ms or shorter
5 ms or shorter
Response time
5 ms or more
STO state
7
1. Safety function
Supplement
Input & output signals
Note
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