3.7 Control I/O Connections
106 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
3.7 Control I/O Connections
This section gives information about the settings for the listed control circuit I/O signals.
• MFDI (terminals S1 to S7)
• MFDO (terminals M1 to M6)
• MFAI (terminals A1, A2)
• MFAO (terminals FM, AM)
• RS-485 communications (terminals D+, D-, AC)
â—† 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)
â—† 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 3.26.
Figure 3.21 Location of Jumper Switch S1
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