NORD Drivesystems BU0200 User Manual
Page 90
3 Options
BU 0200 GB-4411
Subject to technical alterations
89
Details of the control connections
Terminal/
Name
Function
Data
Description / wiring suggestion
Parameter
44
24V
24V supply
(module, field and
system bus level)
24VDC ±20%
≈ 90mA
protected against reverse
polarity
Max. permissible current
load: 2A
Connection for module supply
voltage and 24V source for the
digital inputs (DIN1 and DIN2)
-
40
GND/0V
Reference potential
for digital signals
-
C1
DIN1
Digital input 1
(I/O PROFIBUS DP 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 compliant with
EN 61131-2,
Type 1
P174
C2
DIN2
Digital input 2
(I/O PROFIBUS DP DIN2)
P174
77
Sys H
System bus
data cable +
System bus
interface
-
78
Sys L
System bus
data cable -
-
40
GND/0V
Reference potential
for digital signals
24VDC ±20%
≈ 90mA
protected against reverse
polarity
Max. permissible current
load: 2A
Connection for module supply
voltage and source for the digital
inputs
(DIN1 and DIN2)
-
44
24V
24V supply
(module, field and
system bus level)
-
Potential separation
82
PBR B
(incoming)
Bus +
(red wire)
RxD/TxD-P
RS485 transfer
technology
The use of a twisted, shielded two-
wire cable / Profibus cable type A
is strongly recommended
-
81
PBR A
(incoming)
Bus -
(green wire)
RxD/TxD-N
-
46
GND/
0V BUS
Data ground Bus
-
83
RTS
Ready to send
-
47
VO/
5V BUS
5V bus supply
voltage
internal Profibus voltage
supply
Note: Should not be used
externally!
-
82
PBR B
(outgoing)
Bus
(red wire)
RxD/TxD-P
RS485 transfer
technology
The use of a twisted, shielded two-
wire cable / Profibus cable type A
is strongly recommended
-
81
PBR A
(outgoing)
Bus
(green wire)
RxD/TxD-N
-
46
GND/
0V BUS
Data ground Bus
-