Table 2: Overview Of Sk 500E Performance Grading Features; Table 3: Overview Of Differing Hardware Features - Nord Drivesystems SK 500E User Manual

Feature
Operating manual
Safe pulse block (STO / SS1)*
2 x CANbus/CANopen interfaces via RJ45
plug
RS485 interface additionally via terminals
Speed feedback via incremental encoder
input
Integrated "POSICON" positioning control
CANopen absolute encoder evaluation
PLC / SPS – functionality
Universal encoder interface
(SSI, BISS, Hiperface, EnDat and SIN/COS)
Operation of PM synchronous motors
(Permanent Magnet Synchronous Motors)
Number of digital inputs / outputs**
Additional potential-isolated PTC input***
Number of analog inputs / outputs
Number of relay messages
* not with 115 V devices
** SK 54xE: 2 I/Os can be variably parameterised as inputs or outputs
*** alternative "thermistor" function on digital input 5 possible (above size 5 an additional thermistor input is available as
standard)

Table 2: Overview of SK 500E performance grading features

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Differing hardware features
Version
- -
SK 5xxE ... CP
compared with SK 5xxE
SK 5x5E
compared with SK 5x0E
For size 5 and above in
comparison with sizes 1 – 4
(> 4 kW, 230V or
> 11 kW, 400V)

Table 3: Overview of differing hardware features

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BU 0500 EN-1516
SK ... 50xE 51xE
x
5 / 0 5 / 0
2 / 1 2 / 1
2
•
ColdPlate or external heat sink
•
External 24V supply voltage. Communication with the frequency inverter is
possible even without a power connection
•
Additional, separately mounted PTC input (potential isolated)
•
External 24V supply voltage with automatic switchover to the internal 24V
low voltage generator on failure of the external control voltage.
•
Processing of both bipolar and analog signals
•
2 x CANbus/CANopen interfaces via RJ45 plug as standard
511E 520E 53xE
BU 0500
x x x
x x x
x x
x x
x
x
x x
x x x x
5 / 0 7 / 2 7 / 2
2 / 1 2 / 1 2 / 1
2 2 2 2
Description
1 General
54xE
Additional
BU
options
0505
x BU 0530
x BU 0060
x
x
x BU 0510
x BU 0510
x BU 0550
x BU 0510
x
5 / 3 6 / 2
7 / 1
x
2 / 1
2
11