Control I/O Connections; Pulse Train Output - YASKAWA GA700 Technical Manual

2.15 Control I/O Connections

2.15

Control I/O Connections

This section explains the settings for the listed I/O signals for the control circuit.
• Multi-function digital output (terminals M1 to M4)
• Multi-function photocoupler output (terminals P1, C1, P2, C2)
• Pulse train output (terminal MP)
• multi-function analog input (terminals A1 to A3)
• PTC input (terminal A3)
• Multi-function analog monitor output (terminals FM, AM)
• MEMOBUS/Modbus communications (terminal D+, D-, AC)
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Pulse Train Output

Pulse train monitor output terminal MP can be used for sourcing mode or for sinking mode.
NOTICE: Connect peripheral devices in accordance with the specifications. Failure to comply may cause unexpected drive
operation, and can damage the drive or connected circuits.
• Use for sourcing mode
The voltage level of the pulse train output signal differs depending on the load impedance.
Load impedance
1.5 kΩ or greater
4.0 kΩ or greater
Note:
Use the following formula to calculate the load resistance (kΩ) needed to raise output voltage (V)
R = V × 2 / (12 -V ) (Unit: kΩ)
L MP MP
A - Load impedance
• Use in sinking mode
The voltage level of the pulse train output signal differs depending on the voltage supplied by the external
power supply. Voltage supplied from an external source should be kept in the 12 Vdc to 15 Vdc ±10% range.
Adjust the load impedance so the current is 16 mA or lower.
External power supply (V)
12 Vdc to 15 Vdc ±10%
A - External power supply
B - Load impedance
80
R (kΩ)
L
10 kΩ or greater
Figure 2.53 Wiring for Using Pulse Train Output in Sourcing Mode
Figure 2.54 Wiring for Using Pulse Train Output in Sinking Mode
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
Load impedance (kΩ)
1.0 kΩ or greater
C - Sinking current
Output Voltage
V (V)
MP
5 V or higher
8 V or higher
10 V or higher
.
MP
Sinking current (mA)
16 mA max.