Nidec Powerdrive MD2S, Руководство по установке

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25
CONNECTIONS
Powerdrive MD2S Installation guide
4972 en - 2017.08 / d
8 AO1 Analog output
Factory setting 4-20 mA motor current signal
Output type
Bipolar analog voltage in common
mode or unipolar current in
common mode
Resolution 13 bits
Sampling period 2 ms
Voltage mode
Voltage range ± 10 V
Load resistance 1 kΩ minimum
Current mode
Current range 0 to 20 mA, 4 to 20 mA
Load resistance 500 Ω maximum
9
DI1
PTC
Digital input 1
or PTC thermal sensor
Factory setting No assignment
Sampling period 2 ms
Thermal sensor input
Voltage range ± 10 V
Trip threshold > 3.3 kΩ
Reset threshold < 1.8 kΩ
Digital input
Type Digital input in positive logic
Voltage range 0 to + 24 V
Absolute maximum voltage
range
0 V to + 35 V
Thresholds
0 : < 5 V
1 : > 13 V
10 0V Analog circuit common 0 V
The 0 V on the electronics is connected to the metal ground of the
drive
3.2.2.2 - PX2 terminal block characteristics
1
+24V ref +24 VDC user output
9
+24 VDC user output
Output current 100 mA
Accuracy ± 5%
Protection
Current limiting and setting to trip
mode
2 DO1 Digital output
Factory setting Zero speed
Characteristic Open collector
Absolute maximum voltage + 30 V/0 V
Overload current 150 mA
3 STO-1
Drive enable input 1
(Safe Torque Off function)
6 STO-2
Drive enable input 2
(Safe Torque Off function)
Input type Positive logic only
Absolute maximum voltage + 30 V
Thresholds
0 : < 5 V
1 : > 13 V
Response time < 20 ms
4 DI2 Digital input 2
5 DI3 Digital input 3
7 DI4 Digital input 4
8 DI5 Digital input 5
DI2 factory setting
Selection of speed reference
DI3 factory setting
DI4 factory setting Run FWD/Stop input
DI5 factory setting Run reverse/Stop input
Type Digital inputs in positive logic
Voltage range 0 to + 24 V
Absolute maximum voltage
range
0 to + 35 V
Thresholds
0 : < 5 V
1 : > 13 V
3.2.2.3 - PX3 terminal block characteristics
1 COM-RL1
N/O (normally open) relay output
2 RL1
3 COM-RL2
N/O (normally open) relay output
4 RL2
Factory setting RL1 Drive status relay
Factory setting RL2 Maximum speed alarm
Voltage 250 VAC
Maximum contact current
2 A - 250 VAC, resistive load
1 A - 250 VAC, inductive load
2 A - 30 VDC, resistive load
• Provide a fuse or other overcurrent protection in
the relay circuit.
Note: When the RL1 or RL2 relay is activated, the
corresponding status LED on the control board lights up.