Nord Drivesystems SK 200E Series, Manual

Page: 77 / 265

3 Options
BU 0200 GB Subject to technical alterations 77
Details of the control connections
Terminal/
Name
Function Data Description / wiring suggestion Parameter
44 24V external 24V supply
(module, field and
system bus level)
-
40 GND Reference potential
for digital signals
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)
-
C1 DIN1 Digital input 1
(I/O PROFIBUS DP DIN1)
P174
C2 DIN2 Digital input 2
(I/O PROFIBUS DP DIN2)
Low 0V ... 5V
High 15V ... 30V
R
i
= 8.1k
Ω
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
77 Sys+ System bus
data cable +
-
78 Sys- System bus
data cable -
System bus
interface
-
40 GND Reference potential
for digital signals
-
44 24V external 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 source for the digital
inputs
(DIN1 and DIN2)
-
Potential separation
82 PBR B
(incoming)
Bus +
(red wire)
RxD/TxD-P
-
81 PBR A
(incoming)
Bus -
(green wire)
RxD/TxD-N
RS485 transfer
technology
The use of a twisted, shielded two-
wire cable / Profibus cable type A
is strongly recommended
-
46 GND PBR Data ground Bus
-
83 RTS Ready to send
-
47 +5V PBR 5V bus supply
voltage
internal Profibus voltage
supply Note: Should not be used
externally!
-
82 PBR B
(outgoing)
Bus
(red wire)
RxD/TxD-P
-
81 PBR A
(outgoing)
Bus
(green wire)
RxD/TxD-N
RS485 transfer
technology
The use of a twisted, shielded two-
wire cable / Profibus cable type A
is strongly recommended
-
46 GND PBR Data ground
-