NORD Drivesystems BU0200 - Manual (Page 113)

SK 200E Manual for frequency inverters
112 Subject to technical alterations BU 0200 GB-4411
Details of the control connections
Terminal/
Name
Function Data Description / wiring suggestion Parameter
1 24V
2
24V supply
(module, field and system
bus level)
24VDC ±20%
≈ 900mA
protected against reverse
polarity
Max. permissible current
load: 500mA
Connection for module supply
voltage and 24V source for the
digital inputs (DIN1 to DIN4)
-
3 PB B
(incoming)
4
(outgoing)
PBR B
Bus + (red wire)
RxD/TxD-N
RS485 transfer
technology
The use of a twisted, shielded two-
wire cable / Profibus cable type A
is strongly recommended
-
5 PB A
(incoming)
6
(outgoing)
PBR A
Bus - (green wire)
RxD/TxD-P
-
7 0V-B
8
Data ground Bus
Reference potential for
internal Profibus voltage
supply
-
9 RTS Ready to send
-
10 5V B 5V bus supply
voltage
internal Profibus voltage
supply Note: Should not be used
externally!
-
Potential separation
11 24V
12
13
24V supply
(Module, field and system
bus level)
As for terminal 1
However, max.
permissible current load:
3A
Connection for module supply
voltage and 24V source for the
digital inputs (DIN1 to DIN4)
-
15 GND
17
18
GND
Reference potential
for digital signals
-
14 Sys+ System bus
data cable +
System bus
interface
-
16 Sys- System bus
data cable -
-
19 DIN1 Digital input 1
(I/O Profibus DIN1)
Low 0V ... 5V
High 15V ... 30V
R
i
= 8.1k

Input capacitance 10nF
Scan rate 1ms
Inputs compliant with
EN 61131-2,
Type 1
Each digital input has a reaction
time of 1ms
P174
20 DIN3 Digital input 3
(I/O Profibus DIN3) P174