8 Electrical Installation
54 YASKAWA TOEPC71061752B GA500 Drive Installation & Primary Operation
Table 8.4 Multi-function Input Terminals
Type Terminal Name (Default) Function (Signal Level)
Digital Inputs
S1
MFDI selection 1
(ON: Forward run, OFF:
Stop)
• Photocoupler
• 24 V, 6 mA
Note:
To set the MFDI power supply (Sinking/Sourcing
Mode or internal/external power supply), install or
remove a jumper between terminals SC-SP or SC-
SN depending on the application.
• Sinking Mode, Internal power supply: Install the
jumper to close the circuit between terminals
SC-SP.
NOTICE
Damage to
Equipment. Do not close the circuit between
terminals SC-SN. If you close the circuits
terminals SC-SP and terminals SC-SN, it will
cause damage to the drive.
• Sourcing Mode, Internal power supply: Install
the jumper to close the circuit between terminals
SC-SN.
NOTICE
Damage to
Equipment. Do not close the circuit between
terminals SC-SP. If you close the circuits
terminals SC-SP and terminals SC-SN, it will
cause damage to the drive.
• External power supply: Remove the jumper from
the MFDI terminals. It is not necessary to close
the circuit between terminals SC-SP and
terminals SC-SN.
S2
MFDI selection 2
(ON: Reverse run OFF:
Stop)
S3
MFDI selection 3
(External fault (N.O.))
S4
MFDI selection 4
(Fault reset)
S5
MFDI selection 5
(Multi-step speed
reference 1)
S6
MFDI selection 6
(Multi-step speed
reference 2)
S7
MFDI selection 7
(Jog command)
SN MFDI power supply 0 V
MFDI power supply, 24 V (maximum 150 mA)
NOTICE
Damage to Equipment. Do
not close the circuit between terminals SP-SN. If
you close the circuits terminals SC-SP and
terminals SC-SN, it will cause damage to the
drive.
SC MFDI selection common
SP
MFDI power supply +24
Vdc
Safe Disable Input
H1 Safe Disable input 1
Remove the jumper between terminals H1-HC and
H2-HC to use the Safe Disable input.
• 24 V, 6 mA
• ON: Normal operation
• OFF: Coasting motor
• Internal impedance 4.7 kΩ
• OFF Minimum OFF time of 3 ms.
H2 Safe Disable input 2
HC
Safe Disable function
common
Safe Disable function common
NOTICE
Do not close the circuit
between terminals HC and SN. A closed circuit
between these terminals will cause damage to the
drive.
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