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4 Safety Function
4-4
4.3
Safety Function Signal (CN8) Names and Functions
The following table shows the terminal layout of safety function signals (CN8).

The pins 1 and 2 are connected to the internal circuit. Do not use them.
4.4
Precautions When Not Using the Safety Function
When not using the safety function or when performing a JOG operation, use the
SERVOPACK with the safety function jumper connector (JZSP-CVH05-E, provided
as an accessory) inserted. If the SERVOPACK is used without the jumper connector
inserted into CN8, no current will flow to the motor and no motor force will be out-
put.
When Hbb is displayed on the panel operator and digital operator, the motor is base-
blocked by the safety function. Check to see if the JZSP-CVH05-E jumper connector
is correctly inserted into CN8.
Pin No.
Signal
Name
Function
1
*
  
2
*
  
3 /HWBB1-
Hard wire baseblock input 1
Hard wire baseblock input

Baseblock (motor current off)
when OFF
4 /HWBB1+
5 /HWBB2-
Hard wire baseblock input 2
6 /HWBB2+
7 EDM1-
Monitored circuit status output 1
ON when the /HWBB1 and the

/HWBB2 signals are input and
the SERVOPACK enters a
baseblock state.
8
EDM1+