8 Electrical Installation
64 YASKAWA TOEPC71061752B GA500 Drive Installation & Primary Operation
A - Load Impedance
Figure 8.15 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 8.16 Wiring to Use Pulse Train Output in Sinking Mode
■ Set the Input Signal for the MFAI Terminal A2
Use terminal A2 to input a voltage or a current signal. Set the signal type as shown in Table
8.12.
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