Technical information
General
| General | |
| Interface | USB Type-C (appears as virtual COM port on PC | 
| Dimensions | 180 mm x 105 mm x 26 mm | 
| Weight | 0.6 kg | 
| Protection class | IP 20 | 
| Temperatures | Operation 10 °C to 60 °C, Storage -10 °C to 85 °C | 
| Power supply | External 15 Vdc to 67 Vdc power supply required | 
| Power consumption | 28 W maximum | 
| Motor | |
| Suitable types | 2 phase bipolar stepper motor with 4 leads | 
| Phase current | Up to 1 A RMS, adjustable in 30 mA steps | 
| Source voltage | As supply voltage, 67 Vdc maximum | 
| Resolution | 8, 16, 32, 64, 128, 256 micro-stepping | 
| Protection | Short to ground and phase to phase | 
| Operating modes | |
| 
 | |
| Limits | |
| Quantity | 2 | 
| Compatible switch types | Mechanical NO or NC (polarity selectable) | 
| Protection | Withstands continuous short to 12 V maximum | 
| Miscellaneous | Source current < 1 mA | 
| Motor temperature measurement | |
| Type | Selectable PT100 RTD or K-Type thermocouple | 
| Range | -200 °C to 240 °C | 
| Accuracy | ±5 % | 
| Fault detection | RTD: Open and short-circuit Thermocouple: Open circuit only | 
| SDE (step, direction, enable) interface | |
| Type | Optocoupled, bi-directional LED | 
| Levels | 3.3 Vdc to 5 Vdc maximum | 
| Maximum frequency | 2 MHz at 50 % duty | 
| Joystick | |
| Connection | Front panel mounted 4P4C jack | 
| Input type | Active low, short to ground to activate function | 
| Miscellaneous | Open circuit voltage 3.3 V, source current < 3.5 mA | 
| Software | |
| Compatibility | Windows 7 or later | 
Mechanical
All dimensions are in millimetres.
Scope of delivery
| Qty. | Item | 
| 1 | SMD3 | 
| 1 | USB Type-A to USB Type-C lead | 
| 1 | Pluggable terminal block, 2-way, 3.5 mm pitch | 
| 1 | Pluggable terminal block, 5-way, 3.5 mm pitch | 
| 1 | Pluggable terminal block, 12-way, 3.5 mm pitch | 
| 1 | Type K Thermocouple Free Plug, Miniature | 
Accessories
The following accessory items are available from AML.
| Order Code | Item | 
| SMD3JOY | Joystick | 
| SPSU48V | 48 Vdc, 60 W Power Supply | 
| MLF18SMD3 | Lead, Feedthrough to SMD3 | 
 
        