YASKAWA SERVOPACK Sigma 7W Series Product Manual

Contents

4.3 Connecting the HWBB Function Signal4.3.1 Safety Function Connector (CN8) Pin Arrangement4-84.3 Connecting the HWBB Function SignalThis section describes the wiring that is required to use the HWBB function.Refer to the following chapter for details on the HWBB function.Chapter 5 Safety Functions4.3.1 Safety Function Connector (CN8) Pin Arrangement* Do not use these pins because they are connected to internal circuits.4.3.2 I/O CircuitsHWBB Input CircuitUse a 0-V common to connect the HWBB function signals. You must connect redundant inputsignals.Pin No. Signal Name Function1* – –2* –3 /HWBB1- Hard Wire Base Block Input 1 For a hard wire base block input. Thebase block (motor power turned OFF) isin effect when the signal is OFF.4 /HWBB1+5 /HWBB2- Hard Wire Base Block Input 26 /HWBB2+7 EDM1- External Device Monitor OutputTurns ON when the /HWBB1 and the/HWBB2 signals are input and the SER-VOPACK enters a base block state.8 EDM1+For HWBB function signal connections, the input signal is the 0-V common and the output signalis a source output. This is opposite to other signals described in this manual. To avoid confusion,the ON and OFF status of signals for the HWBB function are defined as follows:ON: The state in which the relay contacts are closed or the transistor is ON and current flowsinto the signal line.OFF: The state in which the relay contacts are open or the transistor is OFF and no currentflows into the signal line.Input Signal Connection ExampleImportant24-V power supplySwitchFuse/HWBB1+ 43/HWBB1-/HWBB2+/HWBB2-4.7 kΩCN84.7 kΩSERVOPACK654.7 kΩ4.7 kΩ0 VUse a switch that haslow-current contacts.