NORD Drivesystems BU0260 User Manual

Page 23

2 Assembly and installation

BU 0260 GB

Subject to technical amendments

Control connection details

Terminal/
Designation

Function

Data

Description / wiring suggestion

Parameter

4424V

External 24V supply
(system bus)

24VDC ±20%
≈ 50mA
reverse polarity protected

max. permissible current
load: 2A

External supply voltage of the
system bus and supply of the
digital inputs (DIN1 and DIN2)

40 GND

Reference potential
for digital signals

C1 DIN1

Digital input 1
[I/O CANopen DIN1]

Low 0V ... 5V
High 15V ... 30V
R

= 8.1k



Input capacitance 10nF
Scan rate 1 ms

Each digital input has a reaction
time of 1ms.
Inputs as per
EN 61131-2

Type 1

P174

C2 DIN2

Digital input 2
[I/O CANopen DIN2]

P174

77 Sys+

System bus

data cable +

System bus
interface

78 Sys-

System bus

data cable -

40 GND

Reference potential
for digital signals

Potential isolation

45 24V

Bus 24V bus supply

voltage
(field bus)

For CANopen - Bus
24VDC ±20%
≈ 50mA, reverse polarity
protected

Version to terminal 44 electrically
insulated.
CANopen bus supply essential

75 CANopen+

(incoming)

Bus +

CAN H

RS485 transfer

The use of twisted, shielded two-
conductor cable is highly
recommended

76 CANopen-

(incoming)

Bus -

CAN L

46 GND

Bus

Data ground bus

Bus reference potential
Version to terminal 40 electrically
isolated.

90 SHLD

Bus shield