2
Assembly and installation
BU 0500 GB
Subject to technical alterations
31
2.9.1 Terminal blocks
X5:
digital inputs and
voltage supply
R
i DIN
approx. 4.5k
Ω
for SK 5x0E
Te rm inal 42
internal
+15V max. 150mA
+5V max. 250mA
for SK 5x5E
Te rm inal 44
external
+18-30V min. 800mA
X6:
Incremental encoder
input
only with SK 52x/53xE
Incremental encoder, e.g.:
10-30V, TTL, RS422
2048 Imp./Rpm.
Note:
5V encoders should
not be used.
X7:
additional digital inputs
and outputs
only with SK 52x/53xE
DIP switch:
Switching from analog
inputs AIN2/AIN1
current/voltage setpoint
I = current 0/4...20mA
V = voltage 0...10V
NOTE:
AIN2 – upper DIP Switch
AIN1 – lower DIP Switch
X8:
VI_S 24V, input of the
pulse lock
VO_S 15/24V, output for
starting up without
safety switching unit
only with SK 51x/53xE
further details in
handbook BU 0530
X4:
analog inputs and
outputs
+10V max. 5mA
0...10V or 0/4...20mA
X11:
1x RJ12 Buchse
zum Anschluss der
RS232 oder RS485
Schnittstelle
X9/X10:
2x RJ45 socket
to connect the
CAN/CANopen
interface
only with SK 52x/53xE
X9
X10
X11