# Technical information ### General
General
Dimensions166 mm x 106 mm x 56 mm (excluding connectors and feet)
Weight0.5 kg
Protection classIP 20
TemperatureOperation 10°C to 60°C, Storage -10°C to 85°C
Power supply48 Vdc ± 5% power supply required. Power supply included.
Power consumption48 W maximum
Safety complianceEN 61010-1-2010
EMC complianceEmissions EN61800-3:2018, EN55032 Class B, 3m (as per Table 17, Category C1, first environment) Immunities, EN55035, basic electromagnetic environment
Motor driver
Type2 phase bipolar stepper motor driver for 4-lead motors
Phase currentUp to 1 A RMS, adjustable in 30 mA steps
Source voltage67 Vdc maximum 48 Vdc supply is boosted to 67 Vdc. Boost function can be disabled if required.
ResolutionFull, 8, 16, 32, 64, 128, 256 micro-stepping Stops on full step positions only; micro-stepping is used for control of resonance and smoother step transition.
Step frequency1 Hz to 15 kHz
ProtectionShort to ground and phase to phase
Motor temperature measurement
TypeSelectable PT100 RTD or K-Type thermocouple
Range-200°C to 240°C
Accuracy±15 °C for thermocouple, ±5 % for RTD
Fault detectionRTD: Open and short-circuit Thermocouple: Open circuit only
Operating modes
• Remote – Control and configure via USB, Ethernet or Serial • Step, Direction Enable (SDE) – For connection to an external motion controller or PLC • Joystick – Single-step and continuous movement triggered via a joystick (supplied separately) • Bake – Programmed cycle to heat the motor while stopped to drive off adsorbed gasses
Control interfaces
USBUSB 2.0 Full Speed via USB-C connector Virtual COM port and firmware update interface
Ethernet10/100 Base-T, auto MDI-X, RJ45 8P8C connector Telnet (port 11312), Modbus TCP (port 502)
Serial communicationSelectable RS232 or RS485 mode (shared pins) Dual RJ45 8P8C connectors allow daisy chaining multiple devices in RS485 mode User selectable termination in RS485 mode 115200 default and maximum baud rate
Software
CompatibilityWindows 10 or later
APIC# API is available
SDE (step, direction enable) interface
TypeOptocoupled, common cathode
Levels3.3 Vdc to 5 Vdc maximum Higher voltages require external current limiting resistor
Maximum frequency2 MHz at 50% duty Maximum full-step rate limited to 7.8 kHz for micro-step resolution of 256.
Limits
Quantity2
Compatible switch typesMechanical NO or NC (polarity selectable)
ProtectionWithstands continuous short to 12 V maximum
Joystick
ConnectionFront panel mounted 4P4C jack with auto-detection of connection state
Input typeActive low, short to ground to activate function
MiscellaneousOpen circuit voltage 3.3 V, source current < 3.5 mA
Order CodeItem
SMD3JOYJoystick (compatible with SMD4)
CAB-D15D9SMD4 Cable, 3m, D-Sub 15 Male to D-Sub 9 Female
CAB-D15MLFSMD4 Cable, 3m, D-Sub 15 Male to MLF18
CAB-3D15MLFSMD4 Cable, 3m, 3X D-Sub 15 Male to MLF18
### Mechanical All dimensions are in millimetres. [ ![SMD4 datasheet drawing](https://bookstack.vps-da8d40f3.arunmicro.com/uploads/images/gallery/2023-11/scaled-1680-/smd4-datasheet-drawing.PNG) ](https://bookstack.vps-da8d40f3.arunmicro.com/uploads/images/gallery/2023-11/smd4-datasheet-drawing.PNG) ### Scope of delivery
Qty.Item
1SMD4
1USB Type-A to USB Type-C lead
1Power supply
### Accessories The following accessory items are available from AML.