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Naming convention for RA3 series
RA3 series port definition
|
Number |
Name |
Explanation |
|
1 |
Digital tube display |
5-digit 8-segment LED digital tube |
|
2 |
USB |
USB Type-C interface, connected to PC |
|
3 |
CN1 (Interface Connector) |
Connection port for output/input signals, connected to programmable logic controller (PLC) or control I/O |
|
Fully closed-loop encoder connector |
Fully closed-loop interface, connected to an external second encoder, supported by the 'FS' model |
|
|
4 |
CN2 (Encoder Connector) |
Encoder interface, connected to the encoder on the servo motor |
|
5 |
L1, L2 (main power input terminals) |
Main circuit power supply, connected to a single-phase power supply (200~240VAC, 50/60Hz power supply) |
|
6 |
P, B (External brake resistor connection terminal) |
Use an external braking resistor |
|
P, N (servo bus terminal) |
Used for multiple servo common DC buses |
|
|
7 |
U, V, W (servo motor connection terminal) |
Servo driver output, connected to motor power connectors (U, V, W) |
|
8 |
Grounding screw |
Connect to the power ground wire and motor ground wire |
|
9 |
CHARGE (Bus Voltage Indicator) |
Power indicator light |
|
10 |
CN3 (connector for safety functions) |
STO interface, only '- S/FS' models support this function |
|
11 |
CN4/CN5 (communication terminals) |
485 communication port |
|
EtherCAT high-speed communication port |
||
|
CAN communication port |
Electrical specifications for single-phase/three-phase 220V drivers
| Item | Size A | Size C | Size C | Size E | |||||||
| Model | 1R6L | 2R8L | 5R5L | 6R6L | 7R6M* | 12RⅡ* | 7R6M | 12RⅡ | 18RN | 22RN | 27RN |
| Power Capacity [kVA] | 0.5 | 1 | 1.7 | 2 | 2.3 | 4.2 | 2.3 | 4.2 | 6.9 | 8.4 | 10.3 |
| Continuous Output Current [Arms] | 1.6 | 2.8 | 5.5 | 6.6 | 7.6 | 12 | 7.6 | 12 | 18 | 22 | 27 |
| Instantaneous Maximum Output Current [Arms] | 5.9 | 10.1 | 16.9 | 17 | 23 | 32 | 23 | 32 | 45 | 55 | 67.5 |
| Main Circuit - Continuous Input Current [Arms] | 2.3 | 4 | 7.9 | 9.4 | 10.5 | 19.1 | 5.1 | 8.1 | 15 | 18 | 22 |
| Main Circuit - Main Circuit Power Supply | Single-phase 200~240Vac, -10%~+10%, 50/60Hz | Three-phase 200~240Vac, -10%~+10%, 50/60Hz | |||||||||
| Control Circuit - Control Circuit Power Supply | Bus-powered, sharing a power supply input and rectification | Single-phase 200~240Vac, -10%~+10%, 50/60Hz | |||||||||
| Power Loss - Main Circuit Power Loss [W] | 30.5 | 41 | 60.8 | 63 | 42.9 | 83.3 | 42.9 | 83.3 | 170 | 208 | 278 |
| Power Loss - Control Circuit Power Loss [W] | 22 | 25 | 22 | 25 | 22 | 25 | 27 | 27 | 27 | 27 | 27 |
| Braking Resistor - Braking Resistor Function | No Built-in Support | Standard Built-in | |||||||||
| Braking Resistor - Resistance Value [Ω] | - | - | 50 | 50 | 25 | 25 | 25 | 25 | 20 | 20 | 20 |
| Braking Resistor - Capacity [W] | - | - | 50 | 50 | 80 | 80 | 80 | 80 | 100 | 100 | 100 |
| Braking Resistor - Minimum Allowable External Resistance Value [Ω] | 50 | 45 | 40 | 40 | 20 | 15 | 20 | 15 | 15 | 15 | 15 |
| Braking Resistor - Maximum Braking Energy Absorbable by Capacitor [J] | 10.03 | 20.06 | 28.57 | 28.57 | 41.34 | 60.8 | 41.34 | 60.8 | 99.7 | 121.6 | 121.6 |
| Cooling Method | Natural Cooling | Air Cooling | |||||||||
| Overvoltage Category | OVC III | ||||||||||
*7R6M and 1 2RM recommended power supply with three-phase 220V input for stronger performance
Size A
| Size A-1R6L/2R8L | |||
| W(mm) | 40 | W1(mm) | 28.6 |
| H(mm) | 165 | H1(mm) | 164.5 |
| D(mm) | 143 | Screw | 2-M4 |
