NORD Drivesystems BU0530 - Manual (Page 31)

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.