2 connection terminals – NORD Drivesystems BU0530 User Manual

Page 31

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3 Assembly and installation

BU 0530 GB-3712

31

3.4.2

Connection terminals



Connection terminals:

Plug-in clip connectors can be released with a small screwdriver

Frequency inverter

Size 1 ... 4 and 8 ... 9

Rigid cable cross-section

0.14 … 1.5mm²

Flexible cable cross-section

0.14 … 1.5mm²

AWG standard

AWG 28-16

Flexible cable cross section with wire end sleeve, without plastic tube

0.25 … 1.5mm²

Flexible cable cross section with wire end sleeve, and with plastic tube

0.25 … 0.5mm²

Nominal ratings of safe pulse block

Terminal X8:86

(output - provision of +15V / +24V)

+24 V

(max. 300mA)

Terminal X8:87

GND

Terminal X8:88

GND

Terminal X8:89

(Input: “Safe pulse block”)

+24 V ± 25%

or

+24 V -20% + 25%

for operation with OSSD

2

100mA (AV)

(Size 1 - 4)

50mA (AV)

(Size 8 - 9)

400mA (peak)

after switching-on or after

a test pulse from an OSSD



Deviating position of terminal block X8 for sizes 5 to 7

2

Output Signal Switching Device

CAUTION: For this safe pulse block function,

the bridges must be removed!

As delivered, terminals 87-88 and 86-89 are
bridged in order to enable commissioning or

operation without the safety function (or ext. 24V).

X8

: VIS 24V

24V

input of pulse block

NOTE:

15V output for commissioning

without safety switching device

or safety function.

NOTE:

For size V and above, the ter-

minal block X8 is located on the

motor output side of the fre-

quency inverter.

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