NORDAC SK 5xxE Manual
34 Subject to technical alterations BU 0500 GB
Terminal Function
[factory setting]
Data Description / wiring suggestion Parameter
Terminal block X6 (only SK 52x/53xE)
40 GND /0V Reference potential
for digital signals
0V digital
51 ENCA+
Track A
52 ENCA-
Track A inverse
53 ENCB+
Track B
54 ENCB-
Track B inverse
TTL, RS422
500…8192Imp./Rpm.
The incremental encoder input can be
used for the exact regualtion of speed
of rotation, additional set point
functions or positioning.
An encoder system with 10-30V supply
voltage must be used in order to
compensate for voltage drop in long
cable connections.
Note: Encoders with 5V supply are not
suitable in order to set up a system
which operates reliably.
P300
…P327
Terminal block X7 (only SK 52x/53xE)
73 RS485 +
74 RS485 -
Data cable RS485
Baudrate
9600…38400Baud
Terminal resistance
R=120Ω
BUS connection parallel to RS485 on
RJ12 plug
NOTE: The terminal resistance of DIP
switch 1 (see RJ12/RJ45) can also be
used for Kl. 73/74.
P502
…P513
26 DIN6 digital input 6
[no function]
P425
27 DIN7 digital input 7
[no function]
7.5...30V, R
i
=3.3kΩ
As described for terminal block X5,
DIN1 to DIN5.
Not suitable for the evaluation of a
motor thermistor.
P470
5 DOUT1 Output 3
[no function]
P450
…P452
7 DOUT2 Output 4
[no function]
digital output
15V, max. 20mA
max. 100kΩ load
For evaluation in a control system. The
scope of functions corresponds to the
relay (P434/441).
P455
…P457
42 VO 15V 15V supply voltage
15V ± 20%
Voltage supply for connection to the
digital inputs or the supply of a 10-30V
encoder
40 GND /0V
Reference potential
for digital signals
0V digital Reference potential
Terminal block X8 (only SK 52x/53xE)
86 VO_S 15V Supply voltage
87 VO_S 0V Reference potential
15V ± 20%
When setting-up without using a safety
function, wire directly to V_IS 24V.
88 VI_S 0V Reference potential
89 VI_S 24V Input
safe pulse block
24V ± 25%, 100mA
Refer to technical data!
Fail-safe input
P420
…P426,
P470
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