15
Rev. 1.0
4/29/2016
M2 Quick Setup Guide Manaul
3.5 Regenerative Resister
In M2 series AC servo drives, there is a pre-installed 40W (M2DV-4D5 model: 60W )regeneration
resistor. In some applications, he pre-installed regeneration might not be enough to absorb all
fold back current. In these cases, a larger wattage regeneration resistor needs to be connected
externally, to prevent drive from over voltage warnings.
Ensure the circuit is closed between B2 and
B3,and the circuit is open between B1+ and
B3 when using internal resister.
Ensure the circuit is opened between
B2 and B3,and connect regenerative
resister between B1+ and B2 when
using external resister.
Regeneration
Resister
• For more detailed informations on regeneration resistor selection, please refer to M2 user
manual
“
regeneration resistor
”
.
3.6 Connect to Host Computer,CN1
Port CN1 is used to connect drive with PC. Use M servo suite software to set control mode,
change parameter values, use auto-tuning function and etc.
PIN Symbol Function
1 +5V +5V Power Supply
2 D- Data -
3 D+ Data +
4
—
Reserved
5 GND Ground
3.7 Input and Output Signal Interface Connector,CN2
The CN2 port on M2 series AC servo drives is used from input/output signals. Details are shown in
table below:
I/O
Signals
Digital Signal
Inputs
8 Configurable Optically isolate general High Speed Inputs, 5-24VDC, 20mA
2 Configurable Optically isolate general Inputs
Outputs
4 Configurable Optically isolate general High Speed Outputs, max 30VDC
，
20mA
1 Alarm Output, max 30VDC
，
20mA.
1 motor brake control output, max 30VDC
，
100mA .
Analog Signal Inputs
2 Analog Inputs, with 12bit resolution
Pulse Signal
Inputs
2 Optically isolated high speed inputs 500Hz(Open collector)
2 high speed different
ial inputs 2MHz
Outputs
4 high speed encoder feedback output(3 Line Driver A/B/Z,and 1 open collector OZ)
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