3 Electrical connection
MI 0500 en-2922
57
3 Electrical connection
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3.1 SK 5xxE series
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3.1.1 Overview SK 5xxE terminal blocks
Depending on the size, the connection terminals for the power cables and the control cables are
located in different positions. According to the configuration of the frequency inverter, terminals are not
present.
Sizes 1 to 4
Mains connection
L1, L2/N, L3, PE
X1
Motor connection
U, V, W, PE
X2
Test multi-function relay
1 - 4
X3
Braking resistor
+B, -B
X2
DC link circuit
-DC
X2
Control terminals
IOs, GND, 24Vout, IG, DIP for AIN
X4, X5, X6, X7, X14
Technology unit
Link circuit choke
Communication
CAN/CANopen; RS232/RS485
X9/X10; X11
PTC resistor
T1/2 or TF+/-
X13
up to size 4 (except SK 54xE): on DIN 5
Safe Pulse Block
86, 87, 88, 89
X8
Supply voltage VI 24 V
40, 44
X12
except SK 5x0E and SK 511E
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