11.8 H: Terminal Functions
866 YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
When MFDI terminal S8 activates, it will operate the function set to H1-08 [Terminal S8 Function Selection] and
the unction set to H1-28 at the same time.
When the setting value is F, the function is disabled.
■ MEMOBUS/Modbus MFDI 1 to 3 Function Selection
You can set the function for the MFDI to MEMOBUS register bit 0 to 2 of [15C0(Hex.)]. Use H1-40 to H1-42
[Extend MFDI Function Selection] to select the function.
Note:
• Refer to H1-xx “MFDI setting values” for the setting values of the MFDI.
• You cannot set 0 [3-Wire Sequence] or 20 to 2F [External fault] in H1-40 to H1-42.
• When you will not use H1-40 to H1-42, set them to F [Through Mode].
• You cannot use MFDI for digital input option D1-A3 at the same time as function selection for MEMOBUS/Modbus MFDI 1 to 3.
■ H1-40: Mbus Reg 15C0h bit0 Input Func
No.
(Hex.)
Name Description
Default
(Range)
H1-40
(0B54)
Mbus Reg 15C0h
bit0 Input Func
Sets the MFDI function for bit 0 of MEMOBUS/Modbus register 15C0
(Hex.).
F
(1 - 19F)
■ H1-41: Mbus Reg 15C0h bit1 Input Func
No.
(Hex.)
Name Description
Default
(Range)
H1-41
(0B55)
Mbus Reg 15C0h
bit1 Input Func
Sets the MFDI function for bit 1 of MEMOBUS/Modbus register 15C0
(Hex.).
F
(1 - 19F)
■ H1-42: Mbus Reg 15C0h bit2 Input Func
No.
(Hex.)
Name Description
Default
(Range)
H1-42
(0B56)
Mbus Reg 15C0h
bit2 Input Func
Sets the MFDI function for bit 2 of MEMOBUS/Modbus register 15C0
(Hex.).
F
(1 - 19F)
◆ Multi-Function Digital Input Setting Values
Selects a function set with H1-01 to H1-08.
■ 0: 3-Wire Sequence
Setting Function Description
0 3-Wire Sequence
Sets the direction of motor rotation for 3-wire sequence.
If the 3-wire sequence is set to a terminal that is not MFDI terminals S1 and S2, these terminals will be the input
terminals for Forward run/Reverse run command.
The drive will automatically set terminal S1 to Run command (RUN) and terminal S2 to Stop command (STOP).
When terminal S1 (Run command) activates for 1 ms minimum, the drive rotates the motor. When terminal S2
(Stop command) deactivates, the drive stops. When terminal Sx that is set in 3-wire sequence deactivates, the
drive operates in the forward direction, and when it activates, the drive operates in the reverse direction.
WARNING! Sudden Movement Hazard. Set the MFDI terminal parameters before you close the control circuit wiring. Incorrect
Run/Stop circuit sequence settings can cause death or serious injury from moving equipment.
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