Mechanical & Electrical
Installation
2
2.15 Control I/O Connections
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 113
2.15 Control I/O Connections
This section gives information about the settings for the listed control circuit I/O signals.
• MFDI (terminals S1 to S8)
• MFDO (terminals M1 to M6)
• Pulse train output (terminal MP)
• MFAI (terminals A1 to A3)
• PTC input (terminal A3)
• MFAO (terminals FM, AM)
• MEMOBUS/Modbus communications (terminals D+, D-, AC)
◆ Pulse Train Output
You can use pulse train monitor output terminal MP for sourcing mode or for sinking mode.
NOTICE: Connect peripheral devices correctly. Failure to obey can cause incorrect drive operation and damage to the drive or
connected circuits.
• Use for sourcing mode
The load impedance changes the voltage level of the pulse train output signal.
Load Impedance
R
L
(kΩ)
Output Voltage
V
MP
(V)
1.5 kΩ or more 5 Vor more
4.0 kΩ or more 8 Vor more
10 kΩ or more 10 Vor more
Note:
Use the formula in Figure 2.112 to calculate the necessary load resistance (kΩ) to increase output voltage (V)
MP
.
A - Load impedance
Figure 2.112 Wiring to Use Pulse Train Output in Sourcing Mode
• Use in sinking mode
The external power supply changes the voltage level of the pulse train output signal. Keep the voltage from an
external source between 10.8 Vdc to 16.5 Vdc. Adjust the load impedance to keep the current at 16 mA or
lower.
External Power Supply (V) Load Impedance (kΩ) Sinking Current (mA)
10.8 Vdc to 16.5 Vdc 1.0 kΩ or more 16 mA maximum
A - External power supply
B - Load impedance
C - Sinking current
Figure 2.113 Wiring to Use Pulse Train Output in Sinking Mode
To Next Page
Loading...
