Model Definition

• DM: Servodyn-D series modular servo inverter unit

• 4K: Low-power specification code, continuous rated output 0.8Arms, peak transient output 6.6Arms, standard 50mm cabinet installation width

• 1101: Base PCB hardware revision + bare driver base circuit, empty front expansion slot ready for optional SERCOS/Analog control card assembly

• D: Standard natural air-cooling mechanical version, factory standard structure without customized casing modification

Technical Parameters

1. DC Link Input: 670VDC regulated /715VDC unregulated shared intermediate DC bus, parallel with rectifier power supply module via cabinet busbar

2. Output Rating: Continuous 0.8A RMS, peak overload 6.6A RMS, PWM default carrier frequency 4kHz

3. Cooling Specification: Passive natural convection cooling, vertical cabinet mounting required, matched IP54 rated control cabinet

4. Ambient Environment: Operating 0℃~+40℃, storage -25℃~+70℃, relative humidity ≤75% non-condensing

5. Dimension & Weight: W50×H270×D300mm, net weight approx 5.5kg

6. Compatible Motors: Indramat SF synchronous absolute encoder motor, SR resolver feedback sync motor, DU asynchronous spindle motor

7. Shock & Vibration: Comply with DIN IEC 68-2-27 shock standard, EN60068-2-6 vibration specification for industrial cabinet use

Interface & Communication Configuration

DC Bus Power Terminal

Motor Power Terminal

Motor Feedback Port

Front Expansion Slot

Service Debug Port

Digital I/O Terminal

Core Functions

1. Full digital current-speed-position triple closed-loop control, built-in automatic motor parameter identification and auto-tuning commissioning algorithm

2. Dual control mode switching: Analog ±10V external command after analog card installation or SERCOS fiber digital bus network control with SERCOS option card

3. Full-range protective logic: Overcurrent, overvoltage, DC bus undervoltage, overheat, encoder loss, output short-circuit protection with coded fault alarm signal output

4. Regenerative braking energy processed via shared cabinet external braking resistor during high-speed deceleration on common DC bus

5. Programmable motor holding brake delay control, auto brake open/close logic linked with servo operating state

6. Offline parameter storage via optional memory card, convenient spare drive rapid parameter replacement for field maintenance

Application Scenarios

• Small-power feed axes of CNC lathe, grinding machine, precision machining center matching Servodyn-D rectifier power supply unit

• Precision indexing turntable, small slitting, die-cutting, labelling automation equipment single-axis positioning control

• Light-load textile feeding, miniature packaging equipment multi-axis synchronized servo drive system

• Legacy Indramat Servodyn-D old equipment refurbishment replacement for failed low-power servo module

• Compact automated fixture, small linear motor positioning driving applications