7.1 The AKD-N Family of Digital Drives
Available AKD-N versions
Variant (short) Description
Current Connectivity
AKD-N-DB
Hybrid DC power and fieldbus connection.
Hybrid motor connection.
3 to 12 A EtherCAT, I/O
AKD-N-DG
Hybrid DC power and fieldbus connection.
Hybrid motor connection. Local tertiary field-
bus interface.
3 to 12 A
EtherCAT, I/O,
Local Fieldbus
AKD-N-DT
Hybrid DC power and fieldbus connection.
Hybrid motor connection. Local drive STO
input.
3 to 12 A
EtherCAT, I/O,
Local STO
AKD-N-DF
Hybrid DC power and fieldbus connection.
Dual cable motor power and feedback con-
nection. Local tertiary fieldbus interface.
3 to 12 A
EtherCAT, I/O,
Local Fieldbus
AKD-N-DS
Hybrid DC power and fieldbus connection.
Dual cable motor power and feedback con-
nection. Local drive STO input.
3 to 12 A
EtherCAT, I/O,
Local STO
Standard features
Supply voltage range 55 VDC to 800 VDC
Motion bus onboard.
SFD, Hiperface DSL, Comcoder, ENDAT 2.1 & 2.2, BiSS, HIPERFACE, 1Vp-p Sin-Cos
encoders, incremental encoders support onboard.
Safe Torque Off (STO) according to IEC 62061 SIL 2 onboard.
Use with synchronous servomotors, linear motors, and induction machines.
Power section
DCpower supply, voltage range 55 VDC to 800 VDC.
Output stage IGBT module with floating current measurement.
Integrated safety
Appropriate insulation/creepage distances and electrical isolation for safe electrical sep-
aration, per IEC 61800-5-1, between the power input/motor connections and the signal
electronics.
Temperature monitoring of the drive and motor.
Motor overload protection: foldback mechanism
SIL 2 safe torque off in accordance with IEC 62061
Operation and parameter setting
Using the setup software WorkBench for system setup via TCP/IP connected to X18 of
the intelligent power supply AKD-C.
Full digital control
Digital current controller (670 ns)
Adjustable digital velocity controller (62.5 µs)
Software option position controller (250 µs)
Inputs/Outputs
3 programmable digital inputs (
1 programmable digital outputs (
AKD-N Installation | 7 Technical description and data
Kollmorgen | kdn.kollmorgen.com | February 2018
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