NORD Drivesystems BU0260 User Manual
Page 23
2 Assembly and installation
BU 0260 GB
Subject to technical amendments
23
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
i
= 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
-
45 24V
Bus
24V bus supply
voltage
See above (Terminal 45).
Version to terminal 44 electrically
insulated.
CANopen bus supply essential
-
75 CANopen+
(outgoing)
Bus +
CAN H
RS485 transfer
The use of twisted, shielded two-
conductor cable is highly
recommended
-
76 CANopen-
(outgoing)
Bus -
CAN L
-
46 GND
Bus
Data ground bus
BUS reference potential
Version to terminal 40 electrically
isolated.
-