10 Drive Start-Up Procedure
64 YASKAWA TOEPC71061732E HV600 Drive Installation & Primary Operation
• RS-485 communications (terminals D+, D-, AC)
■ Set Sinking Mode/Sourcing Mode
Close the circuit between terminals SC-SP and SC-SN to set the sinking mode/sourcing mode and the internal/
external power supply for the MFDI terminals. The default setting for the drive is internal power supply sinking
mode.
NOTICE
Damage to Equipment. Do not close the circuit between terminals SP-SN. If you close the circuits between
terminals SC-SP and terminals SC-SN at the same time, it will cause damage to the drive.
Mode Internal Power Supply (Terminal SN-SP) External 24 V Power Supply
Sinking Mode (NPN)
Sourcing Mode
(PNP)
■ Set Input Signals for MFAI Terminals A1 and A2
Use terminals A1 and A2 to input a voltage or a current signal. Set the signal type as shown in Table 10.9.
Figure 10.9 Location of Jumper Switch S1
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