YASKAWA SGDV SERVOPACK User Manual

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5 Operation
5.11.1 Hard Wire Base Block (HWBB) Function
5-80
(5) Connection Example and Specifications of Input Signals (HWBB Signals)
The input signals must be redundant. A connection example and specifications of input signals (HWBB sig-
nals) are shown below.
 Connection Example
 Specifications
The input signals (HWBB signals) have the following electrical characteristics.
If the HWBB function is requested by turning OFF the /HWBB1 and /HWBB2 input signals on the two chan-
nels, the power supply to the servomotor will be turned OFF within 20 ms (see below).
Note 1. The OFF status is not recognized if the total OFF time of the /HWBB1 and /HWBB2 signals is 0.5 ms or shorter.
2. The status of the input signals can be checked using monitor displays. Refer to 8.8 Monitoring Safety Input Sig-
nals.
For safety function signal connections, the input signal is the 0 V common and the output
signa
l is the source output. This is opposite to other signals described in this manual. To
avoid confusion, the ON and OFF status of signals for safety functions are defined as fol-
lows:
ON: The state in which the relay contacts are closed or the transistor is ON and current
flo
ws into the signal line.
OFF: The state in which the relay contacts are ope
n or the transistor is OFF and no cur-
rent flows into the signal line.
Type
Signal
Name
Connector
Pin Number
Setting Meaning
Input
/HWBB1
CN8-4
CN8-3
ON (closed) Does not use the HWBB function. (normal operation)
OFF (open)
Uses the HWBB function. (motor current shut-off
request)
/HWBB2
CN8-6
CN8-5
ON (closed) Does not use the HWBB function. (normal operation)
OFF (open)
Uses the HWBB function. (motor current shut-off
request)
/HWBB1+
4
3
6
5
/HWBB1-
/HWBB2+
/HWBB2-
0 V
CN8
24-V power
supply
Fuse
Switch
SERVOPACK
Use a switch
that has micro-current
contacts.
Items Characteristics Remarks
Internal Impedance 3.3 k 
Operation Movable Volt-
age Range
+11 V to + 25 V 
Maximum Delay Time 20 ms
Time from the /HWBB1 and /HWBB2 signals are OFF to
the HWBB function
operates.
/HWBB1
/HWBB2
Normal operation
SERVOPACK
State
HWBB state
ON
(Normal operation)
OFF (Motor current
shut-off request)
Within 20 ms

YASKAWA SGDV SERVOPACK Specifications

General

Model	SGDV
Type	SERVOPACK
Control Modes	Position, Speed, Torque
Communication Interface	MECHATROLINK-II, MECHATROLINK-III, EtherCAT
Protection Rating	IP20
Operating Temperature	0°C to 55°C
Vibration Resistance	5.9 m/s² (0.6G) at 10-60Hz
Shock Resistance	49 m/s² (5G)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overload, Regenerative overload, Encoder error